ABB RELION REX640 Technical Manual page 1550

Section 9
Control functions
1544
Operation mode Parallel mode
Parallel manual Input control
Command
Parallel manual Input control
Command
Auto parallel Master
Auto parallel Follower
Auto parallel MCC
Auto parallel NRP
Auto parallel Input control
Command
Auto parallel Input control
Command
1) The master role is set on rising edge and internally kept until another parallel transformer assumes the
master role, or the operation mode is changed.
Table 1412: Active operation mode when Operation mode setting is "Input control" or "Command"
PARALLEL AUTO
0 0
0 1
1 0
1 0
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
1 1
1 1
1) Master role is set on rising edge and internally kept until another parallel transformer overtakes master
role, or if operation mode is changed.
The active operation mode can be read from the monitored data OPR_MODE_STS.
Command exclusion
An active operation mode change using three inputs (PARALLEL, AUTO,
MSTR_TRIGG and setting group change either by input or via menu) is needed when
MSTR_TRIGG
1)
0
1)
1
-
-
-
-
1)
0
1)
1
Parallel mode MSTR_TRIGG
- -
- -
Master -
Follower -
MCC -
NRP -
Input control
1)
0
Command
Input control
1)
1
Command
Master -
Follower -
MCC -
NRP -
Input control
1)
0
Command
Input control
1)
1
Command
1MRS759142 C
OPR_MODE_STS
Manual
Parallel manual
Auto master
Auto follower
MCC
NRP
Auto follower
Auto master
OPR_MODE_STS
Manual
Auto single
Parallel manual
Manual
Manual
Manual
Manual
Parallel manual
Auto master
Auto follower
MCC
NRP
Auto follower
Auto master
REX640
Technical Manual