GE VMIVME-4911 Gas turbine interface card

The power supply unit consists of the contactor (1KM) for servo power and the line filter (1LF). It turns the contactor servo power on and off using the signal for servo power control from the I/O contactor unit, and supplies power(3-phase AC200/220V) to the unit. The power supply (single phase AC200/220V) is supplied to the control power supply and I/O contactor unit and servopack (servo controlled power supply) via the line filter.CPU rack consists of the control power unit, circuit board racks, and system control circuit boards.

Circuit Board in the CPU Rack 

„ System Control Circuit Board (JANCD-XCP01†) This board performs to control the entire system, display to the programming pendant, control the operating keys, control operation, calculate interpolation, and interface the servo control circuit board (with a serial communication board JANCD-XIF03 or JANCD-XIF04). This board has the PC card interface and Serial interface for RS-232C. The JANCD-XMM 01 board (option) can be installed when CMOS memory is expanded. „ Control Power Supply Unit (CPS-150F) This unit supplies the DC power (DC5V, 24V) to the I/O contactor unit (JZNC-XIU 01†) and the programming pendant. It is also equipped with the input function for turning the control power supply on and off.

Specifications

o turn on the XRC controller power, turn the main switch to the ON position then turning on the control power supply. If the controller is not located at the workplace, the control power supply can be turned ON and OFF by input from external device. It is operated by the external switch connected with CN 04 of control power supply unit as shown in the following figures. When the message of the "Cooling fan in control box stopped" is displayed, it may be caused by the error occurrance at the cooling fan (JZNC-XZU02) on the CPU rack . The playback operation (execution of the JOB) is not performed when the error is occurred at the cooling fan. In this case, the alarm 4119 "FAN ERROR (IN CONTROL BOX)" is appeared by 72 hours later. The messege of the "Cooling fan in control box stopped" is displayed, carry out an inspection and the replacement of the cooling fan on the CPU rack as soon as possible.

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