GE VMIVME332-004512-300J Bus expansion module

With the turbine shut down, enable the manual relay driver test. Open another inspector sheet, select Service R**DISPLAY D_I/O STATUS** and monitor the discrete outputs. From the relay test procedure, each discrete output may be activated and its operation verified.

 If the output is activated

 the voltage measured between terminal 39 and the appropriate output terminal (41–44) should equal input voltage at terminal 39 and 40. Testing can be monitored visually by observation of the green LED near terminal 9 and 10, or by listening for an audible ‘click’. The manual relay test must be disabled (status “FALSE”) or the control will hold the actuator current to minimum If there is a voltage output at control terminals 13(+) and 14(–), but the actuator does not move, the wiring to the actuator should be checked for opens or shorts. With the EG3P actuator, remember that terminals C and D of the mating plug should be jumpered.

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