Name Values (Range) Unit Step Default Description
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
RedundantCh Off
On
- - Off Redundant channel enabled
GUID-9EAC68A3-1186-42B0-860C-119B414F615A v1
ComAlarmDel should be set to ≥ 100 ms in normal service. Route
switching in telecommunication networks takes usually < 50 ms.
ComAlrmResDel should be set to 10 ms. It may be advantageous to
set ComAlrmResDel to 5 - 10 ms for fault tracing.
Section 4 1MRK 505 382-UEN B
Analog and binary signal transfer for line differential protection
72 Communication set-up 670/650 series 2.2
Application Guide
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