LINE SECTIONALIZING USING A PLC AND ABB PROTECTIVE RELAY
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Figure 62. Segment 4 Network 2 - MAGELIS F1 and F2 Function Key LED Control Auto
Manual Control Logic
Segment 4 Network 3
This network upon the MMI control screen being issues a system reset, the pending control operations,
buffers and latched commands are reset to an initial state.
Figure 63. Segment 4 Network 3 – System Reset Logic
Segment 4 Network 4
If the control key for a MANUAL TRIP of the DPU is depressed on the MMI, this logic construct loads the
FIFO with the XMIT pointer commands 21,20 to perform a breaker trip operation on the DPU2000R. Bit
15 of Register 40051 is set by the MMI to trigger this instruction (SENS). The ladder logic is illustrated in
Figure 64.
Summary of Contents for REL 356
Page 23: ...ABB REL 356 Current Differential Protection 1 10 Product Overview and Specifications ...
Page 83: ...ABB REL 356 Current Differential Protection 3 36 Settings and Application ...
Page 127: ...ABB REL 356 Current Differential Protection 5 28 Testing ...
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