Toshiba GR200 Series Instruction Manual page 694

Line differential protection ied
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Two devices can be controlled separately; i.e., the DPSY function has two separate sets of logic
for control (i.e., DPSY01 and DPSY02 functions). For simplicity, only the DPSY01 function is
discussed here; the features in the DPSY02 function are identical to the DPSY01 function.
Select logic for SBO/DIR modes
4.2.1
The user should set scheme switch [DPSY01-CTREN] On prior to DPSY01 operation. Table
4.2-11 shows all of the scheme switches in the DPSY function.
Receiving "select command Closing" from the remote-end
(i)
Figure 4.2-1 outlines the reception of the select command 'Closing' from the remote- end.
Wait for a command
Select stage
Select command Closing from the remote-end
Signal reception
IEC61850
Select command Open from the remote-end
Select command Closing from the local-end
Select command Open from the local-end
Select command Closing by the PLC function
Select command Open by the PLC function
Figure 4.2-1 Outline of select command 'Closing'
Input point required mapping
Figure 4.2-2 shows the select logic when a "Select command closing (Remote-Closing-Control)"
signal is applied to the DPSY01 function.
Failed
Select
Selection logic
decision
- 671 -
Signal output
Success
6F2S1914 (0.49)
Wait for a next command
Cancel logic
Cancel command
Cancel logic
Operate logic
Operate command
Operate logic
GRL200 (Soft 033 & 037)

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