ABB Relion 670 series - Page 77

PID-6474-SETTINGS v2
Table 17: LDCMRecBinS2_2M Non group settings (basic)
Name Values (Range) Unit Step Default Description
ChannelMode Blocked
Normal
OutOfService
-
- Normal Channel mode of LDCM
TerminalNo 0 - 255 - 1 0 Terminal number used for line differential
communication
RemoteTermNo 0 - 255 - 1 0 Terminal number on remote terminal
DiffSync Echo
GPS
- - Echo Diff Synchronization mode of LDCM
GPSSyncErr Block
Echo
- - Block Operation mode when GPS
synchroniation signal is lost
CommSync Slave
Master
- - Slave Com Synchronization mode of LDCM
OptoPower LowPower
HighPower
- - LowPower Transmission power for LDCM
ComAlarmDel 5 - 10000 ms 5 100 Time delay before communication alarm
signal is activated
ComAlrmResDel 5 - 10000 ms 5 100 Reset delay before communication alarm
signal is reset
RedChSwTime 0 - 500 ms 5 0 Time delay before switching in
redundant channel
RedChRturnTime 5 - 500 ms 5 100 Time delay before switching back from
redundant channel
AsymDelay -20.00 - 20.00 ms 0.01 0.00 Asymmetric delay when communication
use echo synch.
MaxTransmDelay 0 - 40 ms 1 20 Max allowed transmission delay
MaxtDiffLevel 200 - 2000 us 1 600 Maximum time diff for ECHO back-up
DeadbandtDiff 200 - 1000 us 1 300 Deadband for t Diff
LinkForwarded Off
LDCM305
LDCM306
LDCM312
LDCM313
LDCM322
LDCM323
-
- Off Link forwarded from other LDCM
PID-6475-SETTINGS v2
Table 18: LDCMRecBinS3_2M Non group settings (basic)
Name
Values (Range) Unit Step Default Description
ChannelMode Blocked
Normal
OutOfService
-
- Normal Channel mode of LDCM
TerminalNo 0 - 255 - 1 0 Terminal number used for line differential
communication
RemoteTermNo 0 - 255 - 1 0 Terminal number on remote terminal
DiffSync Echo
GPS
- - Echo Diff Synchronization mode of LDCM
Table continues on next page
1MRK 505 382-UEN B Section 4
Analog and binary signal transfer for line differential protection
Communication set-up 670/650 series 2.2 71
Application Guide