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Receiving "Select command Off" from the remote-end
(ii)
Figure 4.2-3 outlines the reception of the Select command 'Off ' from the remote-end.
Wait for a command
Select stage
Select command On from the remote-end
Select command Off from the remote-end
Signal reception
IEC61850
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
Input point mapped from the communication
Figure 4.2-4 shows the Select logic when a "Select command Off (Remote-OFF-Control)" signal
is applied at the input-point "DEV01_CONTROL_REQ".
Output signal to BO
The DPOS01 function, in Figure 4.2-4, can issue a "Select success" signal at the output point
"DPOS01_FSL_BO_FLG" when the DPOS01 function determines that the received "Select
command Off (Remote-OFF-Control)" signal is true. If the DPOS01 function determines that
the "Remote-OFF-Control" signal is not true, the DPOS01 function returns to the "Wait for a
command" stage.
Select logic
decision
Figure 4.2-3 Outline of Select command 'Off'
- 490 -
Failed
Select
Signal output
Success
6F2T0207 (0.01)
Wait for a next command
Cancel logic
Cancel command
Cancel logic
Operate logic
Operate command
Operate logic
GRE200 (5,6)
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