Toshiba GR200 Series Instruction Manual page 875

Line differential protection ied
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Receiving "Select command Off" by PLC function
(vi)
Figure 4.8-11 outlines the reception of the Select command 'Off ' by the PLC function.
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
PLC logic programmed
by the user
Input signal from the PLC function
Figure 4.8-12 shows the Select logic when a "select command Off (PLC-Off-Control)" signal is
generated by the PLC function. There are two input points for the reception of this signal: like
in signal "select command On (PLC-On-Control): That is, if interlock checking is required, use
the connection point (PLC#1: e.g. DEV01_OP_INTERLOCK). Alternatively, if the interlock
check is not required, use the connection point (PLC# 2: e.g. DEV01_OP_COMMAND). PLC#1
and PLC#2 are shown in Table 4.8-3.
Output signal to BO
The DPOS01 function, in Figure 4.8-12, can issue a "Select success" signal at the output point
"DPOS01_FSL_BO_CSF"
Note: The output point "DPOS01_FSL_BO_CSF" is the same signal as that shown in
1
Figure 4.8-4.
Select
Select logic
decision
Figure 4.8-11 Outline of Select command Off
.
1
- 852 -
Failed
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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