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Sender Unit

2159-20 (stat.)

The Sender Unit, integrated in the gearbox, transfers the number of revolutions of a gearwheel into electrical pulses. The revolutions are captured by means of a Hall IC. The pulses supplied by the Hall IC are used by tachographs and on-board computers for capturing the distance covered and the road speed. When using the integrated sender unit the speedometer shaft connection is no longer necessary. 2159-20 is designed for heavy-duty purposes! Features Touch-sensitive measuring procedure (Hall IC) Integrated in the gearbox Static measuring (zero-speed recognition) Double pulse (inverted) Can be sealed Can be directly connected to the vehicle electric system Recognition of sense of rotation (2 sensors) 7 different lenghts to comply with the different types of gearboxes Applications For tachographs/EC tachographs KTCO 1318, FTCO 1319 and MTCO 1390 NEC Generally for devices requiring an electrical pulse (double pulse, inverted) for road speed and/or distance measuring.

2159-20

Technical Information Output Operating voltage Power consumption (~U) Operating temperature Storage temperature Connection Output resistor (pull up) Protective resistance Signal shape Frequency (max.) Output signal A1 Output signal A2 Interference protection Radiated susceptibility Protection Resistance to vibrations Shock resistance Tightness Scanning speed of pulse wheel (typ.) Pulse wheel material (typ.) St 4 LG RP Thickness of pulse material 2 mm Segment/gap (typ.) Lenght of segment (typ.) Not to be used in cases of extraneous magnetic fields > 2 mT Connection of sender unit to sender unit cable Connection of sender unit to vehicle gearbox Torquet (wrench size) Weight Dimensions ( x L in mm) max. 50 Nm (SW 27) approx. 80 to 160 g approx. 16 x 19,8/25/35 63,2/90 via thread M 18 x 1,5 via bayonet joint 1 : 1,5 to 1 : mm Double pulse (inverted) 6,5. 30 V max. 16 mA A -30C. +135C B -30C. +145C A -40C. +140C B -40C. +150C unearthed 1,5 k rectangular 4 kHz UL 1,9 V (1mA) DIN 40839 T1 DIN 40839 T4 (100V/m) IEC 529, IP g 100 g, 11 ms, 50 cycles 0,5 bar oil, 120C, 100h Vmin circumference 0 m/s
Temperature B Temperature A

open collector

inversion of A1
Outputs, short-circuit proof 30 V, 1 min.
Air gap, Sender Unit/pulse wheel (typ.) 1,4 mm
Continental Trading GmbH | Heinrich-Hertz-Strasse 45 | 78052 Villingen-Schwenningen | Germany E-mail: tachograph@vdo.com | www.vdo.com
09/2008 | A2C59512782 | We reserve the right to make changes in availability as well as technical changes without prior notice.
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