Toshiba GR200 Series Instruction Manual page 669

Line differential protection ied
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Receiving "operate command Off" from the local-end
(iv)
Figure 4.1-25 depicts the reception of the operate command for 'Off ' from the local-end.
Wait for a command
Select stage
Select command On from the remote-end
Select command Off from the remote-end
Select command On from the local-end
Select command Off from the local-end
Select command On by the PLC function
Select command Off by the PLC function
Figure 4.1-25 Outline of operate command 'Off'
Input signal generated at the local-end.
Figure 4.1-26 illustrates the operate logic when an "Operate command Off (Local-OFF-Control)"
signal is applied to the SPOS01 function. The input signal is generated when "Execution for
Off" is keyed on the IED front panel.
Wait for a next command
Operate command On from remote-end
Operate command Off from remote-end
Operate command On from the local-end
Operate command Off from the local-end
Operate logic
Signal reception from
the front panel
Operate command On by the PLC function
Operate command Off by the PLC function
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6F2S1914 (0.49)
Success
Operate
Signal output
decision
Do nothing
Failed
GRL200 (Soft 033 & 037)

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