(local HMI on the IED) or from all (Local and Remote). The Local/Remote switch
position can also be set to Off, which means no operator place selected that is,
operation is not possible either from local or from remote.
For IEC 61850-8-1 communication, the Bay Control function can be set to
discriminate between commands with orCat station and remote (2 and 3). The
selection is then done through the IEC 61850-8-1 edition 2 command LocSta.
QCBAY also provides blocking functions that can be distributed to different
apparatuses within the bay. There are two different blocking alternatives:
• Blocking of update of positions
• Blocking of commands
IEC13000016 V2 EN-US
Figure 315: APC - Local remote function block
15.3.3 Switch controller SCSWI
M16596-3 v6
SCSWI may handle and operate on one three-phase device or three one-phase
switching devices.
After the selection of an apparatus and before the execution, the switch controller
performs the following checks and actions:
Section 15 1MRK 506 369-UEN B
Control
644 Line distance protection REL670 2.2 IEC
Application manual
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