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Omron Sysdrive 3G3EV Manual

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User reviews and opinions

Comments to date: 2. Page 1 of 1. Average Rating:
alberto acevedo salinas 10:09pm on Saturday, February 19th, 2011

good afternoon
I own a model omron vdf 3G3EV I have a question on how to activate the control buttons (for / stop, rev / stop, multi-function), because I connected according to diagram and does not work, I followed the programming sequence n02 and I restablesido all parameters with the mode n01 8 and remains the same, I can only control speed through potentiometer.
bill w 3:37am on Saturday, October 30th, 2010 
great machine

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




D Soldering No Longer Necessary
No connector means no soldering.

H Easy to Operate

D Switching the Operation Mode with a One-touch Operation
For example, after a test run is performed using the Digital Operator, it can be easily switched to a production run using control terminals with a one-touch operation.
D Checking a Test Run with Various Monitors
Output frequency, output current, and the direction of motor rotation appear in the display section of the Digital Operator, so the mechanical system can be easily monitored during a test run.

H Low Noise

An insulated gate bipolar transistor (IGBT) power element has been adopted to eliminate metallic noise.
H High-torque Operation Even in Low Speed Range
A torque rate of 150% can be achieved even in a low speed range where output frequency is only 3 Hz. Thus, acceleration time can be reduced.
H Various Input Power Supplies
A 400-VAC-class Inverter has been newly added to the 3G3EV Series to cope with various power supplies. Three-phase 200-VAC input: Three-phase 400-VAC input: 0.1 to 1.5 kW 0.2 to 1.5 kW
Single/Three-phase 200-VAC input: 0.1 to 1.5 kW
Overview 2-2 Component Names

H Main Unit

Main Circuit Terminals (Input) Power input Braking resistor terminals connection terminals L1 N/L2 L3

Run indicator

Digital Operator

Alarm indicator

Control circuit terminals (output)
Control circuit terminals (input)

Ground terminal

Motor output terminals Main Circuit Terminals (Output)
Note This diagram shows the Inverter with all terminal block covers removed.

H Digital Operator

Data display section Monitor item indicators Display section
In-service item indicators (green indicators) These items can be monitored or set even during operation.
Stopped item indicators (red indicators) These items can be set only when the Inverter is stopped. Operation keys Mode Key Constant item indicators Enter Key

Increment Key RUN Key

Decrement Key


Chapter 3 Design
3-1 Installation 3-2 Wiring
Design 3-1 Installation 3-1-1 Outside/Mounting Dimensions
Note All dimensions are in millimeters.

Chapter 3

H 3G3EV-A2001(-j) to 3G3EV-A2004(-j) (0.1 to 0.4 kW): Three-phase 200-VAC Input H 3G3EV-AB001(-j) to 3G3EV-AB002(-j) (0.1 to 0.2 kW): Single/Three-phase 200-VAC Input

4.5 dia.

Note 1. For the 3G3EV-A2001(-j), 3G3EV-A2002(-j), and 3G3EV-AB001(-j), a Ushaped notch (4.5 mm wide) is provided instead of the upper mounting hole (4.5 mm in diameter). Note 2. Install the Inverter with two M4 bolts.


D Three-phase 200-VAC Input Model
3G3EV Output W model A2001(-j) 0.1 kW 68 A2002(-j) 0.2 kW A2004(-j) 0.4 kW H D WH5
T Weight (kg) Approx. 0.5 Approx. 0.6 Approx. 0.9
D Single/Three-phase 200-VAC Input Model
3G3EV Output W model AB001(-j) 0.1 kW 68 AB002(-j) 0.2 kW H 108 D WHT Weight (kg) Approx. 0.5 Approx. 0.6
H 3G3EV-A2007(-j) to 3G3EV-A2015(-j) (0.75 to 1.5 kW): Three-phase 200-VAC Input 3G3EV-AB004(-j) to 3G3EV-AB015(-j) (0.4 to 1.5 kW): Single/Three-phase 200-VAC Input 3G3EV-A4002(-j) to 3G3EV-A4015(-j) (0.2 to 1.5 kW): Three-phase 400-VAC Input

Two, 4.5 dia.

Note Install the Inverter with four M4 bolts.
3G3EV Output model A2007(-j) 0.75 kW A2015(-j) 1.5 kW W 108 H 128 D 96 W1 HWeight (kg) Approx. 1.3 Approx. 1.5
3G3EV model AB004(-j) AB007(-j) AB015(-j) 3-4 Output 0.4 kW 0.75 kW 1.5 kW W H 128 D W1 HWeight (kg) Approx. 1.3 Approx. 1.3 Approx. 2.0
D Three-phase 400-VAC Input Model
3G3EV model A4002(-j) A4004(-j) A4007(-j) A4015(-j) Output 0.2 kW 0.4 kW 0.75 kW 1.5 kW W 108 H 128 D 96 W1 H1 118
Weight (kg) Approx. 1.0 Approx. 1.0 Approx. 1.5 Approx. 2.0
3-1-2 Installation Conditions

H Installation Site

Install the Inverter under the following conditions: Ambient temperature for operation: 10C to 50C Humidity: 90% RH or less (non-condensing) Install the Inverter in a clean location free from oil mist and dust. Alternatively, install it in a totally enclosed panel that is completely shielded from suspended dust. When installing or operating the Inverter, always take special care so that metal powder, oil, water, or other foreign matter do not get in the Inverter. Do not install the Inverter on inflammables such as wood.
H Direction of Installation
Install the Inverter on a vertical surface so that the characters on the nameplate are oriented upward.

H Installation Space

When installing the Inverter, always provide the following installation space to allow normal heat dissipation from the Inverter:
W= 30 mm min. Inverter Inverter Inverter

100 mm min.

H Ambient Temperature Control

Caution Never connect a power supply to output terminals U, V, and W. If voltage is applied to the output terminals, the internal mechanism of the Inverter will be damaged.
D Never Short or Ground the Output Terminals
Caution If the output terminals are touched with bare hands or the output wires come into contact with the Inverter casing, an electric shock or grounding will occur. This is extremely hazardous. Also, be careful not to short the output wires.
D Do Not Use a Phase Advance Capacitor or Noise Filter
Never connect a phase advance capacitor or LC/RC noise filter to the output circuit. Doing so may result in damage to the Inverter or cause other parts to burn.
D Do Not Use an Electromagnetic Switch
Do not connect an electromagnetic switch or magnetic contactor to the output circuit. If a load is connected to the Inverter during operation, an inrush current will actuate the overcurrent protective circuit in the Inverter.
D Installing a Thermal Relay
This Inverter has an electronic thermal protection function to protect the motor from overheating. If, however, more than one motor is operated with one Inverter or a multipolar motor is used, always install a thermal relay (THR) between the Inverter and the motor and set to 0.0 (no thermal protection) for constant No. 31 (THR indicator). In this case, program the sequence so that the magnetic contactor on the input side of the main circuit is turned off by the contact of the thermal relay.
D Installing a Noise Filter on the Output Side
Connect a noise filter to the output side of the Inverter to reduce radio noise and induction noise.


Signal line
Induction noise Controller

Radio noise AM radio

Induction Noise: Electromagnetic induction generates noise on the signal line, causing the controller to malfunction. Radio Noise: Electromagnetic waves from the Inverter and cables cause the broadcasting radio receiver to make noise.
D How to Prevent Induction Noise
As described above, a noise filter can be used to prevent induction noise from being generated on the output side. Alternatively, cables can be routed through a grounded metal pipe to prevent induction noise. Keeping the metal pipe at least 30 cm away from the signal line considerably reduces induction noise.

Output frequency

Forward rotation (Reverse rotation) ON Operation command OFF

Example of Free Running

Inertia of motor Output frequency
Note This constant is available for models with a PROM number (software version) of 200 or higher.
Forward/Reverse Rotation Selection n04 Setting range f%r , reU Factory setting f%r (forward rotation)
This constant is used to specify the direction of motor rotation when the Inverter is operated with the Digital Operator.
Value f%r reU Forward rotation Reverse rotation Description
Note 1. While the Inverter is being operated with the Digital Operator, the direction of motor rotation can be changed by lighting the F/R indicator with the Mode Key first, pressing the Increment or Decrement Key to change the setting, then pressing the Enter Key. Note 2. The direction (forward/reverse) of motor rotation depends on the motor model used. Refer to the instruction manual for the motor.
n06 Multi-Function Input Selection Setting range 0 to 4 Factory setting 1
One of the following values can be selected for the multi-function input (S1) function:
Value 4 Description Forward/reverse rotation command (3-wire sequence) Fault reset (fault reset when ON) External fault (contact a: external fault when ON) External fault (contact b: external fault when OFF) Multi-step speed command (frequency reference 2 when ON)
n09 Multi-Function Output Selection Setting range 0, 1, 2 Factory setting 1
One of the following three values can be specified for the multi-function contact output (MA and MB) function. When the Inverter enters the state corresponding to the specified value, MA is turned on and MB is turned off.
Value 2 4-14 Description Fault occurrence Operation in progress (frequency reference is being output) Frequency matching (see note)
Note MA is turned on when the difference between the reference frequency and the output frequency falls within 2 Hz. MA is turned off when the difference exceeds 4 Hz.
Reference frequency Detection range 2 Hz Output frequency Release range 4 Hz
Frequency matching (for MA)
Frequency Reference 1 Setting range 0.0 to 400 (Hz) Factory setting 6.0 (Hz) n12 Frequency Reference 2 Setting range 0.0 to 400 (Hz) Factory setting 0.0 (Hz)
These constants are used to set reference frequency values. The unit of setting is as follows: 0.0 to 99.9 (Hz): 0.1 (Hz) 100 to 400 (Hz): 1 (Hz) The reference frequency value can be changed even during operation. To change the reference frequency value when the Inverter is being operated with the Digital Operator, light the FREF indicator with the Mode Key first, press the Increment or Decrement Key to change the value, then press the Enter Key. If one of values 2 to 5 is set in n02 (operation mode selection), the n11 setting is disregarded and control input (voltage or current) becomes valid. When using n12 (frequency reference 2), always set 4 (multi-step speed command) in n06 (multi-function input selection). The multi-step speed command is always valid regardless of the n02 setting. If the n12 setting is to be changed during operation, perform the above procedure when the multi-step speed command (S1) is ON.

n33 Stall Prevention during Deceleration Setting range 0, 1 Factory setting 0
This constant is used to select the action to prevent overvoltage during deceleration.
Value Description Stall prevention during deceleration No stall prevention during deceleration
Note 1. If a braking resistor is to be connected, always set 1 (no stall prevention during deceleration) in this constant. Note 2. If 0 (stall prevention during deceleration) is set in this constant, deceleration time will be automatically lengthened to prevent overvoltage.
Explanation of Stall Prevention during Deceleration
Deceleration time is controlled to prevent overvoltage
(Setting) Deceleration time
n36 Operation after Recovery from Power Interruption Setting range 0, 1, 2 Factory setting 0
This constant is used to select the processing to be performed after recovery from an instantaneous power interruption.
Value 2 Description Discontinues operation. Continues operation only if power interruption is within 0.5 second. Continues operation unconditionally (with no error output).
Note If 1 or 2 is selected to continue operation, the Inverter automatically searches the motor speed (even when the motor is in a free-running state) and continues smooth operation. This function is called the speed search function.
Explanation of Speed Search Function
Motor speed Free-running state Inverter starts operating Time
n37 Carrier Frequency Setting range 1, 2, 3, 4 (see note 1)
Value 5 2.5 (kHz) 5 (kHz) 7.5 (kHz) 10 (kHz) 12.5 (kHz)
Factory setting 4 (10 kHz) (see note 2)

Carrier frequency

This constant is used to set a pulse-width-modulated (PWM) carrier frequency.
Note As the cable between the Inverter and the motor becomes longer, a high-frequency leakage current from the cable increases, causing the Inverter output current to increase as well. This may also affect peripheral devices. To prevent this, adjust the carrier frequency according to the following standards: S Cable length of 50 meters or less: 10 kHz or less S Cable length of 50 to 100 meters: 5 kHz or less Note 1. The setting range for the 400-VAC class is 1 to 5.

4-3-2 Turning Power On and Checking Indicator Display
Check that the ALARM indicator is not lit. Check that the RUN indicator is flashing.
4-3-3 Initializing Constants
Set 8 or 9 (3-wire sequence mode) in constant no. 01 to initialize constants.
4-3-4 Setting a V/f Pattern
Set the maximum frequency (FMAX or constant no. 24), maximum voltage (VMAX or constant no. 25), and maximum voltage frequency (FBAS or constant no. 26) according to the operating conditions.
Preparing for Operation 4-3-5 Setting Rated Motor Amperage
Set the rated motor amperage in constant no. 31 (electronic thermal reference current) or with the THR indicator lit.
4-3-6 Setting the Reference Frequency
Set the frequency corresponding to the motor speed in constant no. 11 (frequency reference 1) or with the FREF indicator lit.
4-3-7 Operating the Inverter with the Digital Operator
Press the RUN Key to rotate the motor in the forward direction. (If the PRGM indicator is lit in the constant item indicators section, press the Mode Key once to light the FREF indicator. If a red indicator in the stopped item indicators section is lit, the run command cannot be accepted.) Check that the motor rotates smoothly without making noise. Check that the direction of rotation is correct.
4-3-8 Checking Output Frequency and Amperage
Light the FOUT indicator (output frequency monitor) and make sure that the displayed value matches the reference frequency. Light the IOUT indicator (output current monitor) and check for overcurrent.
4-3-9 Checking Operation during Reverse Rotation
Rotate the motor in the reverse direction and check the same items as above.
4-3-10 Checking Operation with Mechanical System Connected
Press the STOP/RESET Key to stop the motor. Connect the mechanical system to the motor and check the same items as above.
4-3-11 Checking Operation Performed by Controller
Light the MODE indicator and set the actual operation mode. Operate the Inverter with the controller, check for noise resulting from mechanical resonance, and check that the sequence of operations is correct.

Chapter 5 Operation

5-1 Protective and Diagnostic Functions 5-2 Troubleshooting 5-3 Maintenance and Inspection
Operation 5-1 Protective and Diagnostic Functions

Chapter 5

The 3G3EV has excellent protective and diagnostic functions. The RUN and ALARM indicators on the front panel indicate the current Inverter status, and the data display section also displays information about an error that has occurred. These functions therefore enable the user to take the appropriate actions to correct most errors.

H List of Error Codes

Inverter status Normal Warning Indicator RUN ALARM Flashes Not lit Lit Not lit Flashes Flashes Lit Flashes Data display ----ef uU %U %h %c %U uU1 uU2 %h %l1 %l2 ef1 f00 f01 f04 f05 f06 (Not lit) Description p Ready to run Normal operation in progress Simultaneous input of forward and reverse rotation commands Main circuit undervoltage (UV) Main circuit overvoltage (OV) Radiation fin overheated (OH) Digital Operator stopped (STP) Overcurrent (OC) Main circuit overvoltage (OV) Main circuit undervoltage (UV1) Control power supply fault (UV2) Radiation fin overheated (OH) Motor overload (OL1) Inverter overload (OL2) External fault (EF1) Initial memory error ROM error Constant error A/D converter error Option error Control circuit error

Protective Not lit mechanism actu actuated

Inverter error

Not lit


H Data Display and Action to be Taken when Warning Status Arises
The ALARM indicator flashes when warning status arises. The data display section also flashes. When warning status arises, no error code is output. Eliminating the cause recovers the system automatically.
Data display ef flashing Description Simultaneous input of forward and reverse rotation commands Forward and reverse rotation commands were simultaneously input for 0.5 second or more. The Inverter decelerates and stops the motor. Main circuit undervoltage (UV) The DC voltage of the main circuit dropped below the low-voltage detection level when the Inverter was stopped. Action Review the sequence.

uU flashing

Check the power voltage. Check the power input line for disconnection. Check the terminal block screws for looseness. Check the power voltage.

%U flashing

%h flashing


Main circuit overvoltage (OV) The DC voltage of the main circuit exceeded the overvoltage detection level when the Inverter was stopped. Radiation fin overheated (OH) Check the ambient temperature. The radiation fin overheated when the Install a cooling fan or air conditioner. Inverter was stopped. Digital Operator stopped (STP) Open both SF and SR. The STOP/RESET Key on the Digital Operator was pressed while the Inverter was being operated using control circuit terminals SF and SR. The Inverter decelerates and stops the motor.
H Data Display and Action to be Taken when Protective Mechanism is Actuated
The ALARM indicator lights up when the protective mechanism is actuated. In this event, Inverter output is shut off, and the motor coasts to a stop. Check the cause of the error, take the necessary action, and perform fault reset or turn the power off, then on.
Data Description Cause and action display Overcurrent (OC) The output side of the Inverter is %c shorted or grounded. The Inverter output current instantaneously exceeded 250% of the Load inertia is excessive. rated amperage. The acceleration and deceleration time settings are too short. A special motor is used. The motor was started during free running. The magnetic contactor on the output side of the Inverter was opened and closed. Determine the cause of the error, take the necessary action, and reset the system. Main circuit overvoltage (OV) The deceleration time setting is too short. Because regenerative energy from the motor was excessive, the DC voltage of the main circuit exceeded Increase the deceleration time. approximately 410 V. Connect a braking resistor (or braking (400-VAC Class, 820 V) resistor unit). The regenerative energy becomes excessive when returning from the overshoot during acceleration. Connect a braking resistor (or braking resistor unit).

Data Description display Main circuit undervoltage (UV1) uU1 The DC voltage of the main circuit dropped below the specified level. 3G3EV-A2jjj: Approximately 200 V or less 3G3EV-ABjjj: Approximately 160 V or less 3G3EV-A4jjj-CUE: Approximately 400 V or less
Cause and action The input power voltage dropped. Open-phase occurred. An instantaneous power interruption occurred. Check the power voltage. Check the power input line for disconnection. Check the terminal block screws for looseness. Turn the power off, then on. If this problem persists, replace the Unit. Load is excessive.
Control power supply fault (UV2) A voltage fault occurred in control power supply.
Radiation fin overheated (OH) The radiation fin overheated because Reduce the load. of ambient temperature rise or Inverter The V/f characteristics are inappropritemperature rise due to overload. ate.
Reset constant Nos. 24 to 26.
The acceleration/deceleration time or cycle time is too short.
Increase the acceleration/deceleration time or cycle time.
The ambient temperature is too high.
Install a cooling fan or air conditioner.
Data Description Cause and action display Motor overload (OL1) %l1 Review the load size, V/f characteristics, acceleration/deceleration time, The electronic thermal relay actuated and cycle time. the motor overload protection function. Set the rated motor amperage in constant No. 31 (electronic thermal reference current). The maximum voltage frequency (FBAS) was set too low (V/f characteristics setting error) and caused overcurrent. Set the maximum voltage frequency to the rated motor frequency. Operated more than one motor with one Inverter. Set constant No. 31 (electronic thermal reference current) to 0.0 (A). Review the load size, V/f characteristics, acceleration/deceleration time, and cycle time. Review the Inverter capacity. Review the external circuits. Review the external sequence. Check the signal line of multi-function contact input for disconnection.
Inverter overload (OL2) The electronic thermal relay actuated the Inverter overload protection function. External fault (EF1) The Inverter received abnormal input from external circuits.
H Data Display and Action to be Taken when Inverter Error Occurs
The first character of an error code is always F when an Inverter error occurs. (However, all indicators are not lit when a control circuit error occurs.) If an Inverter error occurs, turn the power off, then on. If the problem persists, replace the Unit.
Data display f00 f01 f04 Description Initial memory error ROM error Constant error Action Turn the power off, then on. If the problem persists, replace the persists Unit. Write down all the constant settings, initialize the constants, and reset the constants. Turn the power off, then on. If the problem persists, replace the Unit. Turn the power off, then on. If the problem persists, replace the Unit. Turn the power off, then reinstall the Digital Operator. If the problem persists, replace the Unit. Check the power cables.

5-2-8 AM Radio Receives Noise when Inverter is Started
Noise derives from Inverter switching. Take the following actions to prevent noise: S Reduce the carrier frequency of the Inverter. The number of internal switching times is reduced, so noise can be reduced to some extent.
S Install an input noise filter.
Install an input noise filter (3G3IV-PHF) on the power input side of the Inverter. S Install an output noise filter. Install an output noise filter (3G3IV-PLF) on the output side of the Inverter. S Use metal box and piping. Metal can block off radio waves. Therefore, enclose the Inverter with a metal (steel) box to prevent radio waves from being emitted from the Inverter.
5-2-9 Ground Fault Interrupter is Actuated when Inverter is Started
Leakage current flows through the Inverter. Because switching is performed inside the Inverter, a leakage current flows through the Inverter. This leakage current may actuate the ground fault interrupter, shutting the power off. Use a ground fault interrupter with a high leakage-current detection value (sensitivity amperage of 200 mA or more, operating time of 0.1 second or more) or the one with high-frequency countermeasures (for Inverter). Reducing the carrier frequency value is also relatively effective. Note also that a leakage current increases in proportion to the cable length. Normally, an approximately 5 mA leakage current is generated per meter (cable length).
5-2-10 Mechanical System Makes Noise
The carrier frequency and the natural frequency of the mechanical system resonates. Take the following actions: S Adjust the carrier frequency. Adjusting the carrier frequency (n37) may prevent resonance from occurring. S Install vibration-proof rubber. Install vibration-proof rubber on the motor base.
5-2-11 Motor Does Not Operate with EF Warning
EF Warning (simultaneous input of forward and reverse commands) is a warning alarm that is issued when forward and reverse commands are simultaneously input for longer than 500 ms. Check the Inverters sequence input. The Inverter input may be set to the ON state due to the current leaked in from the control output.
Under the wiring condition shown below, if the control output power supply is lower than 24 VDC or if it is set to OFF, current may flow in the direction shown by the arrows and may operate the Inverter input. In such a case, insert a diode in the A section shown below.

A section

SF SR S1 to S3 3.3 K

360 0.1

5-3 Maintenance and Inspection

H Daily Inspection

While the system is operating, check the following items: Check the motor for noise. Check for abnormal heating. Check if the ambient temperature is too high. Check if the output current monitor display indicates a higher value than usual.

H Regular Maintenance

Check the items below during regular maintenance.
Before starting inspection, always turn the power off, then wait at least one minute after all indicators on the front panel go off. Touching terminals immediately after turning the power off may cause an electrical shock. Check the terminal block screws for looseness. Check if electrically conductive dust or oil mist adheres to the terminal block. Check the Inverter set screws for looseness. Check if dust or dirt builds up on the heat sink (aluminum portion on the rear of the Unit). Check if dust builds up in the air vents. Check if the appearance is normal. Check if the cooling fan for the control panel operates normally. (Check for noise or abnormal vibration, and also check if the total hours of operation has exceeded the value shown in the specifications.)
H Regular Parts Maintenance
An Inverter consists of many different parts. It can provide its full performance only when these parts operate normally. Some electronic parts require maintenance depending on the service conditions. To allow the Inverter to operate normally over an extended period of time, always perform regular inspection and parts replacement according to the service life of each part. Regular inspection intervals vary according to the Inverter installation environment and service conditions. The maintenance interval for this Inverter is shown below. Use this information as a guide to regular maintenance. The standard interval for regular maintenance is as follows: Electrolytic capacitor: Approximately 5 years (8 hours of operation per day) As for service conditions, it is assumed that the ambient temperature of the Inverter is 40C, and the Inverter is used under rated operating conditions (rated torque) and is installed as specified in the Users Manual. To extend maintenance intervals, ambient temperatures should be lowered, and poweron time should be minimized. Note For the maintenance method, contact your nearest local sales representative.

Frequency output resolution Overload resistance Frequency setting signal
1 minute or less when 150% of rated output current is received 0 to 10 VDC (20 k) or 4 to 20 mA (250 ) Note This setting can be switched using the internal DIP switch. Acceleration/Decelerati 0.0 to 999 seconds (acceleration and deceleration times are on time set separately) Braking torque Approximately 20% (continuous Note 125% to 220% when braking resistor is externally regenerative braking) installed. Voltage/Frequency Simple V/f pattern setting characteristics

H Protection Functions

Motor protection Instantaneous overcurrent protection Overload protection
Electronic thermal protection When 250% of the rated output amperage is exceeded
When 150% of the rated output amperage is exceeded for one minute Overvoltage protection Stops the system when DC voltage of the main circuit exceeds approximately 410 V (400-VAC Class approximately 820 V) Voltage drop protection 3G3EV-A2jjj: Stops the system when voltage drops below approximately 200 V 3G3EV-ABjjj: Stops the system when voltage drops below approximately 160 V 3G3EV-A4jjj: Stops the system when voltage drops below approximately 400 V Protection from Stops the system when a power interruption lasts for 15 ms or instantaneous power more. interruption Operation can be continued by setting constant No. 36 as follows: Operation is continued if a power interruption only lasts for approximately 0.5 second or less. Radiation fin overheat protection Ground protection Operation is continued unconditionally. Detects a fin temperature of 110 10C Overcurrent level protection
H Operation Specifications

Control input

Three photocoupler input terminals (24 VDC, 8 mA) Forward/stop [SF] Reverse/stop [SR] Multi-function input [S1] (set in constant No. 06) Select either of fault reset, external fault, and multi-step speed command. Note When 3-wire sequence mode (constant No. 01 = 9) is selected, the terminals become as follows: Run command [SF] Stop command [SR] Forward/reverse rotation command [S1] One analog input terminal (0 to 10 VDC or 4 to 20 mA) Frequency reference input [Between FC and FR] One SPDT relay contact output terminal [MA, MB] (30 VDC and 1A; 250 VAC and 1A) Multi-function contact output (set in constant No. 09) Select either of fault occurrence, operation in progress, and frequency matching.

Control output

Chapter 7 Appendix A
7-1 Notes on Using Inverter for Motor 7-2 Frequency Reference by Amperage Input 7-3 List of Product Models
Appendix A 7-1 Notes on Using Inverter for Motor
H Using Inverter for Existing Standard Motor

Chapter 7

When a standard motor is operated with this Inverter, a power loss is slightly higher than when operated with a commercial power supply. In addition, cooling effects also decline in the low-speed range, resulting in an increase in the motor temperature. Therefore, motor torque should be reduced in the low speed range. The figure on the right-hand side shows allowable load characteristics of a standard motor. If 100% torque is continuously required in the low-speed range, use a special motor for use with Inverters.
Allowable Load Characteristics of Standard Motor
25% ED (or 15 minutes) 40% ED (or 20 minutes) 60% ED (or 40 minutes) Torque (%)


Frequency (Hz)

D High-speed Operation

When using the motor at a high speed (60 Hz or more), note that problems may arise in dynamic balance, bearing durability, and so on.

D Torque Characteristics

When the motor is operated with the Inverter, torque characteristics differ from when operated with a commercial power supply. Check the load torque characteristics of the machine to be used with the motor.

Appendix A

D Vibration
The 3G3EV series employs high carrier PWM control to reduce motor vibration. When the motor is operated with this Inverter, motor vibration is almost the same as when operated with a commercial power supply. However, motor vibration may become greater in the following cases: Resonance with the natural frequency of mechanical system Take special care when a machine that has been operated at a constant speed is to be operated in variable speed mode. If resonance occurs, install vibration-proof rubber on the motor base. Imbalanced rotor Take special care when the motor is operated at a high speed (60 Hz or more).

D Noise

Noise is almost the same as when the motor is operated with a commercial power supply. However, motor noise becomes louder when the motor is operated at a speed higher than the rated speed (60 Hz).
H Using Inverter for Special Motors

D Pole-changing Motor

The rated amperage of pole-changing motors differs from that of standard motors. Select, therefore, an appropriate Inverter according to the maximum amperage of the motor to be used. Before changing the number of poles, always make sure that the motor has stopped. Otherwise, the overvoltage protection or overcurrent protection mechanism will be actuated, resulting in an error.

Multi-function output selection Frequency reference 1 Frequency reference 2 Acceleration time

n11 n12 n20

Constant IndiDescription no. cators n21 Deceleration time n24 Maximum frequency n25 Maximum voltage n26 Maximum voltage frequency (basic frequency) n31 Electronic thermal reference current n33 Stall prevention during deceleration n36 Operation after recovery from power interruption n37 Carrier frequency Setting range 0.0 to 999 (seconds) 50.0 to 400 (Hz) 1 to 255 (V) (see note 1) 1.6 to 400 (Hz)
Setting [10.0] [60.0] [200] [60.0]
0.0 to 120% of rated Inverter amperage Specify the rated motor amperage.
0: Stall prevention 1: No stall prevention 0: Discontinues operation. 1: Continues operation only if the power interruption is within 0.5 second. 2: Continues operation unconditionally. 1: 2.5 (kHz) (see note 2) 2: 5 (kHz) 3: 7.5 (kHz) 4: 10 (kHz) 0.10 to 2.00 (times) [1.00] 99 to 99 (%) 0, 1 0, 1 [0] [0] [0]

n39 n40 n61 n64

Frequency reference gain Frequency reference bias Stop Key selection Operators frequency setting method
Note 1. The upper limit of setting range and the factory settings for the 400-VAC-class Inverters are double the above values. Note 2. The setting range of the 400-VAC-class Inverter is 1 to 5. The factory setting of the 3G3EV-A4015M-CUE is 3. Note 3. Values in shaded sections or values in brackets represent factory settings.


Cat. No. I546-E1-02 0675398-6B


Compact Simplified Inverters
Thank you for choosing this SYSDRIVE 3G3JV-series product. Proper use and handling of the product will ensure proper product performance, will lengthen product life, and may prevent possible accidents. Please read this manual thoroughly and handle and operate the product with care.
1. To ensure safe and proper use of the OMRON Inverters, please read this SETUP MANUAL and the USERS MANUAL (Cat. No. I528-E1) to gain sufficient knowledge of the devices, safety information, and precautions before actual use. 2. The products are illustrated without covers and shieldings for closer look in this SETUP MANUAL and the USERS MANUAL. For actual use of the products, make sure to use the covers and shieldings as specified. 3. This SETUP MANUAL and other related users manuals are to be delivered to the actual end users of the products. 4. Please keep this manual close at hand for future reference. 5. If the product has been left unused for a long time, please inquire at our sales representative.


1. This manual describes the functions of the product and relations with other products. You should assume that anything not described in this manual is not possible.
2. Although care has been given in documenting the product, please contact your OMRON representative if you have any suggestions on improving this manual. 3. The product contains potentially dangerous parts under the cover. Do not attempt to open the cover under any circumstances. Doing so may result in injury or death and may damage the product. Never attempt to repair or disassemble the product. 4. We recommend that you add the following precautions to any instruction manuals you prepare for the system into which the product is being installed. S Precautions on the dangers of high-voltage equipment. S Precautions on touching the terminals of the product even after power has been turned OFF. (These terminals are live even with the power turned OFF.) 5. Specifications and functions may be changed without notice in order to improve product performance.
Items to Check Before Unpacking
Check the following items before removing the product from the package:
S Has the correct product been delivered (i.e., the correct model number and specifications)? S Has the product been damaged in shipping? S Are any screws or bolts loose?


OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual. The following conventions are used to indicate and classify precautions in this manual. Always heed the information provided with them. Failure to heed precautions can result in injury to people or damage to property.


Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Additionally, there may be severe property damage. Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Additionally, there may be severe property damage. Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury, or property damage.


Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.


Performance data given in this manual is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRONs test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.


The information in this manual has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.

General Precautions

Observe the following precautions when using the SYSDRIVE Inverters and peripheral devices. This manual may include illustrations of the product with protective covers removed in order to describe the components of the product in detail. Make sure that these protective covers are on the product before use. Consult your OMRON representative when using the product after a long period of storage.


Do not touch the inside of the Inverter. Doing so may result in electrical shock. Operation, maintenance, or inspection must be performed after turning OFF the power supply, confirming that the CHARGE indicator (or status indicators) are OFF, and after waiting for the time specified on the front cover. Not doing so may result in electrical shock. Do not damage, pull on, apply stress to, place heavy objects on, or pinch the cables. Doing so may result in electrical shock. Do not touch the rotating parts of the motor under operation. Doing so may result in injury. Do not modify the product. Doing so may result in injury or damage to the product. Do not store, install, or operate the product in the following places. Doing so may result in electrical shock, fire or damage to the product. S Locations subject to direct sunlight. S Locations subject to temperatures or humidity outside the range specified in the specifications. S Locations subject to condensation as the result of severe changes in temperature. S Locations subject to corrosive or flammable gases. S Locations subject to exposure to combustibles. S Locations subject to dust (especially iron dust) or salts. S Locations subject to exposure to water, oil, or chemicals. S Locations subject to shock or vibration.

! WARNING ! Caution

Do not touch the Inverter radiator, regenerative resistor, or Servomotor while the power is being supplied or soon after the power is turned OFF. Doing so may result in a skin burn due to the hot surface. Do not conduct a dielectric strength test on any part of the Inverter. Doing so may result in damage to the product or malfunction. Take appropriate and sufficient countermeasures when installing systems in the following locations. Not doing so may result in equipment damage. S Locations subject to static electricity or other forms of noise. S Locations subject to strong electromagnetic fields and magnetic fields. S Locations subject to possible exposure to radioactivity. S Locations close to power supplies.

2 mA max. at 0 to 10 V DC
Note 1. Depending on the parameter settings, various functions can be selected for multi-function inputs and multi-function contacts outputs. Note 2. Functions in parentheses are default settings.

H Selecting Input Method

Switches SW7 and SW8, both of which are located above the control circuit terminals, are used for input method selection. Remove the front cover and optional cover to use these switches.
Selector Control circuit terminal block
By using SW7, NPN or PNP input can be selected as shown below.
D Selecting Sequence Input Method
D Selecting Frequency Reference Input Method
Frequency reference input method Voltage input Current input SW8 setting V (OFF) I (ON) Frequency reference selection (parameter n03) Set value 2 Set value 3 or 4
Design 1-2-2 Standard Connections
DC reactor (optional) Noise Filter

3-phase 200 V AC

Single-phase 100 V AC


Multi-function input 1 (Reserve/Stop) Multi-function input 2 (S3) (Fault Reset)
Multi-function input 3 (S4) (External fault Normally open) Multi-function input 4 (S5) (Multi-step speed reference 1)
Multi-function contact output NO NC Common
Sequence input common Frequency reference power supply 20 mA at +12 V FREQ adjuster Frequency reference input
Frequency reference common
Analog monitor output Analog monitor output common

(2 k, 1/4 W min.)

Note 1. The braking resistor cannot be connected because no braking transistor is incorporated. Note 2. A DC Reactor can be connected in series between the R input and L1 terminal or between the S input and L2 terminal to use it as an AC reactor.
D DC Reactor Wiring Example

Noise Filter DC Reactor

Applicable Noise Filters
Inverter 3G3JV-A1001 3G3JV-A1002 Applicable Filter 3G3JV-PRS1010J (for i h 0.1 (f either kW or kW) 0.2 Specifications 10 A at 250 V AC, single-phase , g p

Applicable DC Reactors

Inverter 3G3JV-A1001 3G3JV-A1002 Applicable Reactor 3G3HV-PUZDAB5.4A8MH 3G3HV-PUZDAB18A3MH Specifications 5.4 A, 8 mH 18 A, 3 mH
D Example of 3-wire Sequence Connections
Stop switch (NC) RUN switch (NO)
RUN input (Operates with the stop switch and RUN switch closed.) Stop input (Stops with the stop switch opened.) Direction switch Forward/Stop reference (Forward with the direction switch opened and reverse with the direction switch closed.) Sequence input common

Note Set parameter n37 for 3-wire sequence input.
1-2-3 Wiring around the Main Circuit
H Wire Size, Terminal Screw, Screw Tightening Torque, and Molded-case Circuit Breaker Capacities
For the main circuit and ground, always use 600-V polyvinyl chloride (PVC) cables. If any cable is long and may cause voltage drops, increase the wire size according to the cable length.
D Single-phase 100-V AC Model
Model 3G3JVTerminal symbol Terminal screw Screw tightening torque (NSm) 0.8 to 1.0 0.8 to 1.0 Wire size (mm2) Recommended wire size (mm2)

A1001 A1002

R/L1, S/L2, U/T1, V/T2, W/T3 R/L1, S/L2, U/T1, V/T2, W/T3

M3.5 M3.5

0.75 to 2 0.75 to 2

H Wiring

Control Circuit
Terminal symbol Terminal screw M3 Screw tightening torque NSm (lbSin) 0.5 to 0.6 (4.4 to 5.3) Wire size mm2 (AWG) Stranded wire: 0.5 to 1.25 (20 to 16) Single wire: 0.5 to 1.25 (20 to 16) Stranded wire: 0.5 to 0.75 (20 to 18) Single wire: 0.5 to 1.25 (20 to 16) Recommended wire size mm2 (AWG) 0.75 (18)


S1 to S5, SC, FS, FR, FC, AM, AC

0.22 to 0.25 (2 to 2.2)

0.75 (18)
Design 1-2-4 Optional Accessories
Option EMC-compliant p Noise Filter N i Fil DC Reactor DIN Track Mounting Bracket Adapter Panel p Operator Cable p Digital Operator g p Specifications For A1001 For A1002 For A1001 For A1002 --Standard installation Removable 1m 3m Without adjuster (with case) With adjuster j Main Unit Case

Design 1-3

Power supply l


100-V AC Models Rated voltage and power supply Allowable voltage fluctuation Allowable frequency fluctuation Input current (for rated output) (A) Heating radiation (W) Weight (kg) Cooling method Maximum motor capacity (kW) Output p Rated output capacity (kVA) specifica- Rated output current (A) ifi tions Rated output voltage (V)
3G3JV-A1001 3G3JV-A1002 Single-phase 100 to 115 V AC at 50/60 Hz 15 to 10% 5% 3.2 6.2 14.6 21.1 0.5 0.8 Natural cooling 0.1 0.2 0.3 0.6 0.8 1.6 Three-phase 200 to 230 V (Handles twice the input voltage.) Maximum output frequency 400 Hz (Set in a parameter.) Control Power supply harmonics counter- DC Reactor (optional) can be connected. character- measures istics Control method Sine wave PWM (V/f control) Carrier frequency 2.5 to 10.0 kHz (Switched in steps.) Frequency control range 0.1 to 400 Hz Frequency p q y precision ( (temperap Digital reference: 0.01% (10 to 50C) ture characteristics) h i i ) Analog reference: 0.5% (25C 10C) Frequency setting resolution Digital reference: 0.1 Hz (less than 100 Hz), 1 Hz (100 Hz or greater) Analog reference: 0.06 Hz/60 Hz (equivalent to 1/1000) Output frequency resolution 0.01 Hz (data processing resolution) Overload capacity 150% of rated output current for 1 min External frequency set signal Switchable: 0 to 10 V DC (20 k), 4 to 20 mA (250 ), 0 to 20 mA (250 ), or frequency adjustment Acceleration/deceleration times 0.0 to 999 s (Acceleration and deceleration times set separately: Switches between 2 settings.) Braking torque Approx. 20% Note: A Braking Resistor or Braking Resistor Unit cannot be connected. Voltage/frequency characteristics User-set V/f pattern

PRGM indicator

Mode Key

Increment Key

Preparing for Operation and Monitoring
Appearance Name Decrement Key Enter Key
Function Decreases multi-function monitor numbers, parameter numbers, and parameter set values. Enters multi-function monitor numbers, parameter numbers, and internal data values after they are set or changed. Starts the Inverter running when the 3G3FV is in operation with the Digital Operator. Stops the Inverter unless n06 is set to disable the STOP Key. Functions as a Reset Key when an Inverter error occurs. (See note.)


Note For safetys reasons, the reset will not work while a RUN command (forward or reverse) is in effect. Wait until the RUN command is OFF before resetting the Inverter.
2-1-2 Accepting Operation Commands While Changing Parameters
With the default settings, the Inverter will not accept operation commands when parameter settings are being changed. This functions as a safety measure to prevent the motor from rotating if the operation command is mistakenly set to ON when changing parameters. Depending on the operating conditions, however, the user may want to have operation commands accepted even while parameters are being changed. In that case, change the following settings.
H Using the Indicators to Determine When Operation Commands Can Be Accepted
The indicators on the Digital Operator can be used to determine if operation commands will be accepted or not while changing parameters. Green: Operation commands will be accepted if the indicator lights green. Red: Operation commands will not be accepted after the Inverter stops if an indicator lights red. Therefore, if the indicator lights red when changing parameters or when switching between local and remote operation, operation will continue, but once the Inverter stops, the Inverter will not operate even if the operation command is set to ON again. The FREF indicator will light when the power supply is turned ON.
Indicator Color Name Acceptance of operation commands During Stopped operation Yes Yes
Green Green Green Green Green Red Red
Frequency Reference/Monitor Output Frequency Monitor Output Current Monitor Multifunction Monitor Operator RUN command forward/reverse operation selection Local/Remote Selection Parameter Number/Setting

Parameter No. (Register No. (Hex)) n36 (0124) Name Description
Set- Default Changes ting setting during range operation Memo
Multi-func- Used to select the functions of multi-function tion input 1 input terminals S2 through S5. p (Input terSet Function Description minal S2) value Multi-func- 0 tion input 2 (Input terminal S3) Multi-function input 3 (Input terminal S4) Multi-function input 4 (Input ter- 2 minal S5) Forward/ Reverse rotation command 3-wire sequence (to be set in n37 only) By setting n37 to 0, the set value in n36 is ignored and the following setting are forcibly made made. S1: RUN input (RUN when ON) S2: STOP input (STOP when OFF) S3: Forward/Reverse rotation command (OFF t ti d (OFF: Forward; ON: Reverse) Reverse rotation command in 2-wire sequence (Reversed with the terminal turned ON) ON: External fault (FPj detection: j is a terminal number) OFF: External fault (EFj detection: j is a terminal number) ON: Fault reset (disabled while RUN command is input) Signals to select frequency references 1 through 8.

2 to 8, to 0 22

n37 (0125)

0, 2 to 5 8, 10 to 22

n38 (0126)

2 to 8, to 22

n39 (0127)

Reverse/ Stop

2 to 8, to 22, 34, 35
External fault (NO) External fault (NC) Fault reset
Multi-step speed reference 1 Multi-step speed reference 2 Multi-step speed reference 3 Inching frequency command
ON: Inching frequency command (taking precedence over the multi-step speed reference) AcceleraON: Acceleration time 2 tion/Decel- and deceleration time 2 eration time are selected. changeover
Name Parameter No. (Register No. (Hex)) n39 Multi-func- 12 (0127) tion input 4 (Input terminal S5) ) 13 Description
Set- Default Changes Memo ting setting during range operation
External base block command (NO) External base block command (NC) Search command (Searching starts from maximum frequency) Search command (Searching starts from preset frequency) Acceleration/Deceleration-prohibit command Local or remote selection Communications or remote selection
2 to 8, 6 ON: Output shut off (while motor coasting to a 10 to 22, stop and bb flashing) 34, 35 OFF: Output shut off (with motor free running and bb flashing) ON: Speed search (Searching starts from n09)

ON: Speed search

ON: Acceleration/Deceleration is on hold (running at parameter frequency) ON: Local mode (operated with the Digital Operator) ON: RS-422A/485 communications input is enabled. OFF: The settings of n02 and n03 are enabled.
Name Parameter No. (Register No. (Hex)) n39 Multi-func- 19 (0127) tion input 4 (Input terminal S5) 20 Description
Emergency stop fault (NO) Emergency stop alarm (NO) Emergency stop fault (NC) Emergency stop alarm (NC) Up or down command

The Inverter stops according to the setting in n04 for interruption mode selection with the emergency stop input turned ON. NO: Emergency stop with the contact closed. NC: Emergency stop with g y p the contact opened. Fault: Fault output is ON and reset with RESET input. Alarm output is ON (no reset required). required) STP is displayed (lit with fault input ON and flashes with alarm input ON) Up or down command (set in n39 only) By setting n39 to 34, the set value in n38 is ignored and the following setting are forcibly made. S4: Up command S5: Down command ON: RS-422A/485 communications self-diagnostic test (set in n39 only)

Self-diagnostic test

Name Parameter No. (Register No. (Hex)) n40 Multi-funcp (0128) tion output (MA/MB and MC output terminals) Description
0 to 7, 1 Used to select the functions of multi-function 10 to 0 output terminals. 18 Set Function Description value 0 Fault output ON: Fault output (with protective function working) 1 Operation ON: Operation in progin progress ress 2 Frequency ON: Frequency detection detection (with frequency reference coinciding with output frequency) 3 Idling ON: Idling (at less than min. output frequency) 4 Frequency ON: Output frequency y detection 1 frequency detection level (n58) 5 Frequency ON: Output frequency x detection 2 frequency detection level (n58) 6 Overtorque Output if any of the folbeing moni- lowing parameter conditored (NO- tions is satisfied. contact out- n59: Overtorque detecput) tion function selection n60: Overtorque detection level 7 Overture being monitored (NCcontact output) n61: O 61 Overtorque d detection time NO contact: ON with overtorque being detected NC contact: OFF with overtorque being detected --ON: Alarm being detected (Nonfatal error being detected) Base block in progress (in operation with output shutoff) ON: Local mode (with the Digital Operator)
Not used Alarm output Base block in progress RUN mode
Name Parameter No. (Register No. (Hex)) n40 Multi-func(0128) tion output (MA/MB ( C and MC output terter minals) Description

Inverter ready

n41 (0129)
Frequency reference gain Frequency reference bias Analog frequency reference time Analog monitor output
Fault retry UV in progress 16 Rotating in reverse direction 17 Speed ON: Speed search in search in progress progress 18 Data output The inverter operates via commu- multi-function output ternications minals independently. Used to the input characteristics of analog frequency references.

Parameter (014C) copy and verify func(See note 1.) tion
Note 1. The n68 to n74, n76, and n77 parameters cannot be written via RS422/485 communications. They are read-only. Note 2. Motor parameters depend on the Inverter capacity as shown in the following table.
100-V Class, Single-phase Power Supply
Parameter No. n32 n64 n65 Name Inverter capacity Rated motor current Motor rated slip Motor no-load current Unit kW A Hz % 0.1 0.6 2.5 72
Default constant 0.2 1.1 2.6 73
Chapter 4 Maintenance Operations
4-1 4-2 Protective and Diagnostic Functions Inspection and Maintenance
Maintenance Operations 4-1 Protective and Diagnostic Functions

Chapter 4

4-1-1 Fault Detection (Fatal Error)
The Inverter will detect the following faults if the Inverter or motor burns or the internal circuitry of the Inverter malfunctions. When the Inverter detects a fault, the fault code will be displayed on the Digital Operator, the fault contact output will operate, and the Inverter output will be shut off causing the motor to coast to a stop. The stopping method can be selected for some faults, and the selected stopping method will be used with these faults. If a fault has occurred, refer to the following table to identify and correct the cause of the fault. Use one of the following methods to reset the fault after restarting the Inverter. If the operation command is being input, however, the reset signal will be ignored. Therefore, be sure to reset the fault with the operation command turned off. S Turn on the fault reset signal. A multi-function input (n36 to n39) must be set to 5 (Fault Reset). S Press the STOP/RESET Key on the Digital Operator. S Turn the main circuit power supply off and then on again.
H Fault Displays and Processing
Fault display %c Fault name and meaning Overcurrent (OC) The Inverter output current is as high as or higher than 200% of the rated output current. Probable cause and remedy A short-circuit or ground fault has occurred and at the Inverter output. Check and correct the motor power cable. The V/f setting is incorrect. Reduce the V/f set voltage. The motor capacity is too large for the Inverter. Reduce the motor capacity to the maximum permissible motor capacity. The magnetic contactor on the output side of the Inverter has been opened and closed. Rearrange the sequence so that the magnetic contactor will not open or close while the Inverter has current output. The output circuit of the Inverter is damaged. %U Replace the Inverter. Overvoltage (OV) The deceleration time is too short. The main circuit DC voltage Increase the deceleration time. has reached the overvoltage The power supply voltage is too high. detection level (100-V models: Decrease the voltage so it will be within specifications. 410 V DC min.). There is excessive regenerative energy due to overshooting at the time of acceleration. Suppress the overshooting as much as possible.

Fault display Fault name and meaning Emergency stop (STP) An emergency stop alarm is input to a multi-function input. (A multi-function input 1, 2, 3, or 4 set to 19 or 21 has operated.) Power supply error Insufficient power supply voltage Control power supply fault Hardware fault Probable cause and remedy
An emergency stop alarm is input to a multi-function input. Remove the cause of the fault. The sequence is incorrect. Check and change the external fault input sequence including the input timing and NO or NC contact. No power supply is provided. Check and correct the power supply wire and voltage. Terminal screws are loosened. Check and tighten the terminal screws. The Inverter is damaged. Replace the Inverter.
Maintenance Operations 4-1-2 Warning Detection (Nonfatal Error)
The warning detection is a type of Inverter protective function that does not operate the fault contact output and returns the Inverter to its original status once the cause of the error has been removed. The Digital Operator flashes and display the detail of the error. If a warning occurs, take appropriate countermeasures according to the table below. Note Some warnings or some cases stop the operation of the Inverter as described in the table.
H Warning Displays and Processing
Fault display Warning name and Meaning Main Circuit Undervoltage (UV) uU (flashing) The main circuit DC voltage has reached the undervoltage detection level (160 V DC for the 3G3JV-A1j). Probable cause and remedy Power supply to the Inverter has phase loss, power input terminal screws are loose, or the power line is disconnected. Check the above and take necessary countermeasures. Incorrect power supply voltage Make sure that the power supply voltage is within specifications. The power supply voltage is too high. Decrease the voltage so it will be within specifications. The ambient temperature is too high. Ventilate the Inverter or install a cooling unit. A short-circuit, ground fault, or disconnection has occurred on the communications line. Check and correct the line. The termination resistance setting is incorrect. Set the termination resistance of only the Inverter located at each end of the network to ON. Masters program error. Check the start of communications and correct the program. Communications circuit damage. If a CAL or CE error is detected as a result of a self-diagnostic test, change the Inverter. The mechanical system is locked or has a failure.

%U (flashing)

%h (flashing)

cal (flashing)

Main Circuit Overvoltage The main circuit DC voltage has reached the overvoltage detection level (100-V models: 410 V DC min.). Radiation fin overheated (OH) The temperature of the radiation fins of the Inverter has reached 110_C 10_C. Communications standby (CAL) No normal DSR message has been received during RS-422A/4895 communications. The Inverter detects this warning only when RUN command selection (n02) is set to 2 or frequency reference selection (n03) is set to 6. Until the warning is reset, no input other than communications input will be ignored.

%l3 (flashing)

Overtorque detection (OL3) There has been a current or torque the Check the mechanical system and correct the same as or greater than the setting in cause of overtorque. n60 for overtorque detection level and The parameter settings were incorrect. that in n61 for overtorque detection Adjust the n60 and n61 parameters according time. A fault has been detected with to the mechanical system. n59 for overtorque detection function Increase the set values in n60 and n61. selection set to 1 or 3.
Fault display Warning name and Meaning Probable cause and remedy Sequence error (SER) A sequence error has occurred. ser (flashing) A sequence change has been input Check and adjust the local or remote while the Inverter is in operation. selection sequence as multi-function input. Local or remote selection is input while the Inverter is in operation. Note The Inverter coasts to a stop. External base block (bb) The external base block command has been inbb (flashing) put as multi-function input. The external base block command has been input. Remove the cause of external base block Note The Inverter coasts to a stop. input. The sequence is incorrect. Check and change the external fault input sequence including the input timing and NO or NC contact. A sequence error has occurred.

ef (flashing)


fRn (flashing)

Forward- and reverse-rotation input (EF) Check and adjust the local or remote The forward and reverse commands selection sequence. are input to the control circuit terminals simultaneously for 0.5 s or more. Note The Inverter stops according to the method set in n04. Emergency stop (STP) The parameter setting was incorrect. The Digital Operator stops operating. Turn off the forward or reverse command once, check that the n06 parameter setting for The STOP/RESET Key on the Digital STOP/RESET Key function selection, and Operator is pressed while the Inverter restart the Inverter. is operating according to the forward or reverse command through the control circuit terminals. Note The Inverter stops according to the method set in n04. The emergency stop alarm signal is An emergency stop alarm is input to a multi-funcinput as multi-function input. tion input. A multi-function input 1, 2, 3, or 4 set Remove the cause of the fault. to 20 or 22 has been used. The sequence is incorrect. Note The Inverter stops according to Check and change the external fault input the method set in n04. sequence including the input timing and NO or NC contact. Cooling fan fault (FAN) The cooling fan wiring has a fault. The cooling fan has been locked. Turn off the Inverter, dismount the fan, and check and repair the wiring. The cooling fan in not in good condition. Check and remove the foreign material or dust on the fan. The cooling fan is beyond repair. Replace the fan.

H Periodic Maintenance of Components
The Inverter is constructed from many components, the normal operation of which is required for the essential functionality of the Inverter. Maintenance is required for some of the electronic components depending on the operating conditions. To enable the Inverter to operate normally for a long time, periodic inspection and component replacement must be performed to suit the service life of these components. (Source: Instructions for Periodic Inspection of General Purpose Inverter (JEMA)) The guidelines for periodic inspection depend on the Inverters installation environment and operating conditions. The maintenance periods for the Inverter are listed below. Use this to determine when periodic maintenance is required. The guidelines for periodic maintenance are as follows: Cooling fan: 2 to 3 years Electrolytic capacitor: 10 years Fuse: 10 years These guidelines are applicable for an operating environment in which the ambient temperature is 40C, the load rate is 80%, the operating time is 8 hours per day, and the product is installed according to the instructions in the manual.
To extend the maintenance period, it is recommended to lower the ambient temperature and shorten the ON time as much as possible. Note Contact your OMRON sales representative for details on maintenance methods.
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Unless otherwise expressly agreed in writing by Omron: a. Shipments shall be by a carrier selected by Omron; Omron will not drop ship except in break down situations. b. Such carrier shall act as the agent of Buyer and delivery to such carrier shall constitute delivery to Buyer; c. All sales and shipments of Products shall be FOB shipping point (unless otherwise stated in writing by Omron), at which point title and risk of loss shall pass from Omron to Buyer; provided that Omron shall retain a security interest in the Products until the full purchase price is paid; d. Delivery and shipping dates are estimates only; and e. Omron will package Products as it deems proper for protection against normal handling and extra charges apply to special conditions. 12. Claims. Any claim by Buyer against Omron for shortage or damage to the Products occurring before delivery to the carrier must be presented in writing to Omron within 30 days of receipt of shipment and include the original transportation bill signed by the carrier noting that the carrier received the Products from Omron in the condition claimed. 13. Warranties. (a) Exclusive Warranty. Omrons exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied. (b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omrons sole obligation hereunder shall be, at Omrons election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omrons analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty. See or contact your Omron representative for published information. Limitation on Liability; Etc. OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY. Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted. Indemnities. Buyer shall indemnify and hold harmless Omron Companies and their employees from and against all liabilities, losses, claims, costs and expenses (including attorney's fees and expenses) related to any claim, investigation, litigation or proceeding (whether or not Omron is a party) which arises or is alleged to arise from Buyer's acts or omissions under these Terms or in any way with respect to the Products. Without limiting the foregoing, Buyer (at its own expense) shall indemnify and hold harmless Omron and defend or settle any action brought against such Companies to the extent based on a claim that any Product made to Buyer specifications infringed intellectual property rights of another party. Property; Confidentiality. Any intellectual property in the Products is the exclusive property of Omron Companies and Buyer shall not attempt to duplicate it in any way without the written permission of Omron. Notwithstanding any charges to Buyer for engineering or tooling, all engineering and tooling shall remain the exclusive property of Omron. All information and materials supplied by Omron to Buyer relating to the Products are confidential and proprietary, and Buyer shall limit distribution thereof to its trusted employees and strictly prevent disclosure to any third party. Export Controls. Buyer shall comply with all applicable laws, regulations and licenses regarding (i) export of products or information; (iii) sale of products to forbidden or other proscribed persons; and (ii) disclosure to non-citizens of regulated technology or information. Miscellaneous. (a) Waiver. No failure or delay by Omron in exercising any right and no course of dealing between Buyer and Omron shall operate as a waiver of rights by Omron. (b) Assignment. Buyer may not assign its rights hereunder without Omron's written consent. (c) Law. These Terms are governed by the law of the jurisdiction of the home office of the Omron company from which Buyer is purchasing the Products (without regard to conflict of law principles). (d) Amendment. These Terms constitute the entire agreement between Buyer and Omron relating to the Products, and no provision may be changed or waived unless in writing signed by the parties. (e) Severability. If any provision hereof is rendered ineffective or invalid, such provision shall not invalidate any other provision. (f) Setoff. Buyer shall have no right to set off any amounts against the amount owing in respect of this invoice. (g) Definitions. As used herein, including means including without limitation; and Omron Companies (or similar words) mean Omron Corporation and any direct or indirect subsidiary or affiliate thereof.

Certain Precautions on Specifications and Use
1. Suitability of Use. Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyers application or use of the Product. At Buyers request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyers application, product or system. Buyer shall take application responsibility in all cases but the following is a non-exhaustive list of applications for which particular attention must be given: (i) Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this document. (ii) Use in consumer products or any use in significant quantities. (iii) Energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations. (iv) Systems, machines and equipment that could present a risk to life or property. Please know and observe all prohibitions of use applicable to this Product. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO 2. 3. ADDRESS THE RISKS, AND THAT THE OMRONS PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. Programmable Products. Omron Companies shall not be responsible for the users programming of a programmable Product, or any consequence thereof. Performance Data. Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omrons test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omrons Warranty and Limitations of Liability. Change in Specifications. Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omrons representative at any time to confirm actual specifications of purchased Product. Errors and Omissions. Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions.



29PT8608-12 21PT1664 58S Latitude C540 WV-DR9 VP-W71 SF-341P 14MS10C EW1262 Pqdsbc Officejet 4212 S3000 37LG2000-ZA AEU PX660 Unrestricted 380XD XRC900 DM-24 AC711 N6410 LS1902C DMT800RHS 6 DL4 IUC-4100 PDP-508XD IVA-C800R VKC902HT Nokia N76 GN 9330 LE32C350 AWT 2251 32PW8807 Taurus-2001 M-4100SH CBR 2 Powermax 230 Sbig ST-6 WFF 1200 Vm SE R-64ST AF-IR DMC-L10 Pentax Z-20 M1056L Z1300 MAX 28 MD-MT180 UX-W55CL MCD2660E-M Fostex D-80 702MO LT265 Speedtouch 605 Scbt222 GFA-555II WA50120 EOS 300D Abit KT7 Vaic MP9 Ensoniq SQ-2 GT-I9000 Tamagotchi Models DWA-110 190-1 SC-PM18 DPF-V1000 Korg D888 LW22N23N Intellivision II 19LG3050 E3100 Dual V XE-A120 DP-508 Universal 8 Alcatel 525 DRA-397 1 1 C4000 CGA5722 00 Grill 9VIF1 Software Ypt-300 Series II SR-T303 SP-570UZ Simulator 2006 Central CS4 RP5011 Laserjet 2300 PX-300 6340I JGS524 HSU-12HEK03 R2 WD-80160NUP SC-RT30 RS55xkgns Digital Plus I5871


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