GE Brivo OEC 715, Service Manual

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System Overview
2-41
Proximity switch interface
The signals from the proximity switch are listed as follows.
Name Description Pin Attribution Scale Comment
DOWN_PROTECT
Proximity protecting signal
from the proximity switch.
J6-1 Digital 0V/+24V HIGH=Proximity protect
+24V_UDB
Power to the proximity
switch
J6-4 Power +24V ----
GND_PS1 0V to proximity switch J6-5 Ground 0V ----
Test points list:
Name Net name Description
TP1 --- Proximity protect signal from proximity switch
TP2 VREF_+2.5V +2.5V reference voltage
TP3 DOWN_PROTECT_CON Proximity protect signal to control relay K9
TP4 GND_PS1 GND
TP5 GND_PS1 GND
TP6 GND_PS1 GND
TP7 ---- DC Voltage after rectification and regulation
TP8 ---- Motor current
TP9 +24V_UDB +24V voltage
TP10 VCC_+15V +15V voltage
TP11 MOTO2 DC voltage for motor
TP12 MOTO1 DC voltage for motor
LEDs list:
Name Color Description
HL1 Green Light=AC input has been transformed to DC voltage
HL2 Green Light=up motion is enabled
HL3 Green Light=down motion is enabled
HL4 Red Light=motor current is overloaded
HL5 Green Light=Relay K9 is turn on and DC voltage is not applied to motor
HL6 Green Light=Proximity switch is in proximity protect state
HL7 Green Dark=signal from MCB has disabled the motor motion