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11.6.11
11.6.11.1
11.6.11.2
11.6.11.3
11.6.11.4
11.6.11.5
11.6.11.6
RET 670
Apparatus control (APC)
Interlocking
Test/Function status/Control/Apparatus control/Interlocking/SCILO
Displays 30 instances of the function with an open and a close parameter for each
disconnection device. The enable open (EN_OPEN) parameter will have the output
value one if an open operation is allowed and a zero output if an open operation is
not allowed. The conditions for an open operation are if the device is closed,
intermediate or in a bad state as defined in IEC61850. The enable close (EN_CLOSE)
parameter is subject to similar conditions.
Interlock busbar earth switch
Test/Function status/Control/Apparatus control/InterlBusbarEarthSwitch
The information shown here indicates whether or not switching of the earth switch
is permitted and also indicates whether the earth switch (QC) is in the open or closed
position.
Interlock bus section breaker
Test/Function status/Control/Apparatus control/InterlBusSectionBreaker
Displays the interlocking conditions that apply to the various switches and breakers.
Interlock bus section disconnect
Test/Function status/Control/Apparatus control/InterlBusSectionDisconn
Displays conditions for CB opening and closing and the position of the disconnector.
Interlock bus coupler bay
Test/Function status/Control/Apparatus control/InterlBusCouplerBay
Displays 35 measurements that indicate conditions for breakers, disconnectors and
earthing switches in the bay
Interlock, one and a half circuit breaker connection
Test/Function status/Control/Apparatus control/Interl11/2CBConn/IKx
Displays 10 measurements per CB arrangement (IKx) showing the conditions
applicable to breakers disconnectors and earth switches in the one and half CB
arrangement.
Operator's manual
1MRK504049-UEN rev. D
Section 11
Test the IED
65
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