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LINE SECTIONALIZING USING A PLC AND ABB PROTECTIVE RELAY
Figure 66. Segment 4 Network 6 - MAGELIS PCD Manual Trip Pushbutton Logic
Segment 4 Network 7
If the control key for a MANUAL CLOSE of the PCD is depressed on the MMI, this logic construct loads
the FIFO with the XMIT pointer commands 27,31 to perform a breaker trip operation on the DPU2000R.
Bit 5 of Register 40051 is set by the MMI to trigger this instruction (SENS).
Figure 67. Segment 4 Network 7 - MAGELIS PCD Manual Close Pushbutton Logic
Segment 4 Network 8
If the control key for a MANUAL TRIP of the TPU is depressed on the MMI, this logic construct loads the
FIFO with the MSTR pointer commands 7,6 to perform a breaker trip operation on the DPU2000R. Bit 11
of Register 40051 is set by the MMI to trigger this instruction (SENS). Note this operation sends a
Modbus Plus command to the TPU.
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