Accepted originator categories for PSTO
If the requested command is accepted by the authority control, the value will
change. Otherwise the attribute blocked-by-switching-hierarchy is set in the cause
signal. If the PSTO value is changed during a command, then the command is
aborted.
The accepted originator categories for each PSTO value are shown in
Table 21.
Table 21: Accepted originator categories for each PSTO
Permitted Source To Operate Originator (orCat)
0 = Off 4,5,6
1 = Local 1,4,5,6
2 = Remote 2,3,4,5,6
3 = Faulty 4,5,6
4 = Not in use 4,5,6
5 = All 1,2,3,4,5,6
6 = Station 2,4,5,6
7 = Remote 3,4,5,6
PSTO = All, then it is no priority between operator places. All operator places are
allowed to operate.
According to IEC 61850 standard the orCat attribute in originator category are
defined in
Table 22
Table 22: orCat attribute according to IE C61850
Value
Description
0 not-supported
1 bay-control
2 station-control
3 remote-control
4 automatic-bay
5 automatic-station
6 automatic-remote
7 maintenance
8 process
12.3.2 Bay control QCBAY
M16595-3 v10
The Bay control (QCBAY) is used to handle the selection of the operator place per
bay. The function gives permission to operate from two main types of locations
either from Remote (for example, control centre or station HMI) or from Local
Section 12 1MRK 505 393-UEN B
Control
256 Line differential protection RED650 2.2 IEC
Application manual
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