- 674 -
(ii) Receiving “select command Open” from the remote-end
Figure 4.2-3 outlines the reception of the select command ‘Open’ from the remote-end.
Signal reception
IEC61850
Select command Open from the remote-end
Select command Closing 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 4.2-3 Outline of select command for Open
Input point required mapping
Figure 4.2-4 shows the select logic when a “Select command (Remote-Open-Control)” signal is
applied to the DPSY01 function. The input-point “DEV01_CONTROL_REQ” is used for the
reception of the “select command (Remote-Open-Control)” signal.
“DPSY01_FSL_BO_FLG”
(511001 8A02011DC4)
DPSY01 function (Function ID: 511001)
Command “Remote-Open-Control”
ILK† condition (“Open”) passed
Either “SBO mode” or “DIR mode”
(e.g., “ctlmodel” in IEC61850*)
Selection logic in DPSY01
“Automatic sequence control function (ASEQ)§” in progress
Select command
with ILK† condition
Operate command
with ILK† condition
Select command
without ILK† condition
Operate command
without ILK† condition
Figure 4.2-4 Select ‘Open’ from the remote-end in DPSY01
††
†Note: The ILK function can provide the operation criteria for “Open”.
‡Note: A “select condition” signal is provided from the select condition scheme. For more
information, see Figure 4.2-13.
§Note: An Automatic sequence control (ASEQ) function can provide sequential signals for
automatic control. The DPSY01 operation is blocked for the ASEQ function when