Hettich EBA 20 - Signals and Measurements; Motor M1; Speedsensor B3 (Speedometer)

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11.2 Signals and measurements
11.2.1 Motor M1
Field coil
Pull off plug ST1 and measure at the plug
between pin 2 and pin 3:
230 V version: ≈ 110 Ω
115 V version: ≈ 28 Ω
Armature coil
Pull off plug ST1 and measure at the plug
between pin 1 and pin 2:
230 V version: ≈ 70 Ω
115 V version: ≈ 18 Ω
3 21
M1
ST1
BK
GN
WH
GN/YE
M
11.2.2 Speedsensor B3 (speedometer)
Supply voltage:
Measure at plug ST5 between pin 2 (GND)
and pin 3:
+5V
0V
speedometer signal:
Measure at plug ST5 between pin 2 (GND)
and pin 4:
Tachosignal
/
tacho signal
+5V
0V
6 pulses per revolution
x
3 21
B
3
ST
5
+5V