20
1MRS 751107-MUM
Protection Relay
Operator’s Manual
REX 521
The current state of the interlocking of the object can prevent the select or execute
requests. In that case the text =Interlocked is displayed for three seconds. The
attempted operation is cancelled and after the three seconds the current state of the
object is displayed.
Fig. 3.2.3.-1 Manual control
Table 3.2.3-1 Manual control messages
Message Meaning
Aborted The current operation was aborted either by user or state change in object status
or timeout.
Are you sure? Waiting for confirmation for the selected operation. [E] accepts it and [C] cancels it.
Closed Object state is closed. Control is not possible due to remote or control off state.
Closed. E=Close Object state is closed. [E] will close it.
Closed. E=Open Object state is closed. [E] will open it.
Closing... Object is being closed.
External change Local/remote state controlled by digital inputs has changed. Only in external input
mode. Cancels current operation if any.
Failed Executing the control request failed. The reason was not interlocking.
Interlocked Selecting the object or executing the control request failed due to interlocking.
Not allowed Selecting the object failed. The reason was not interlocking.
Not local Attempted to control the object in remote or control off state.
Open Object state is open. Control is not possible due to remote or control off state.
Open. E=Close Object state is open. [E] will close it.
Open. E=Open Object state is open. [E] will open it.
Opening... Object is being opened.
Preparing... Object is being selected.
Undefined Object state is undefined. Control is not possible.
Unresolved Object state is unknown.
ManCtr_b
L o c a l / R e m o t e
= L o c a l
=C l o s e d. E=O p e n
=C l o s e d. E=C l o s e
C o n t r o l C B
=P r e p a r i n g ...
C o n t r o l C B
=A r e Y o u S u r e ?
C o n t r o l C B
=O p e n i n g ...
=C l o s i n g ...
C o n t r o l C B
=I n t e r l o c k e d
C o n t r o l C B
=A b o r t e d
C o n t r o l C B
=I n t e r l o c k e d
C o n t r o l C B
=O p e n. E=C l o s e
C o n t r o l C B
=O p e n. E=O p e n
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