Hettich ROTOFIX 32 - Signals and Test Results

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9.2 Signals and test results
9.2.1 Speed sensor (Tacho) B3
Power supply:
Plug S502, measure between Pin 2
(GND)and 3:
Tacho signal:
Plug S502 measure between Pin 2 (GND)
and 4:
6 pulse per round
9.2.2 Motor
Motor coil
Remove plug S401 and measure between
two lines:
230 V version: ≈ 6.8 Ω
120 V version: ≈ 1.7 Ω
Overtemperature switch
Remove plug S401 and measure between
pin 4 and 5 :
Switch closed : ≈ 0 Ω
Switch released: ∞ Ω
ΩΩ
Ω
ΩΩ
Ω
YE
BK
RD
WH WH