Toshiba GR200 Series Instruction Manual page 713

Line differential protection ied

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Operate logic for SBO/DIR modes

Once the operation of the select logic is complete, the operate logic start to control the device.

Receiving "operate command Closing" from the remote-end

Figure 4.2-19 depicts the reception of the operate command 'Closing' from the remote-end.

Wait for a command

Select stage

Select command Closing from the remote-end

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 4.2-19 Outline of operate command 'Closing'

Mapping required for Input point

Figure 4.2-20 illustrates the operate logic when an "Operate command (Remote-Closing-

Control)" signal is applied to the DPSY01 function. The input-point "DEV01_CONTROL_REQ"

is used for the reception of the "Operate command Closing (Remote-Closing-Control)".

Wait for a next command

Operate command Closing from the remote-end

Operate logic

Signal reception in

Operate command Open from the remote-end

Operate command Closing from the local-end

Operate command Open from the local-end

Operate command Closing by the PLC function

Operate command Open by the PLC function

6F2S1914 (0.49)

Signal output

GRL200 (Soft 033 & 037)

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