Hitachi 670 Series Application Guide

Name Values (Range) Unit Step Default Description
AnalogLatency 2 - 20 - 1 2 Latency between local analogue data
and transmitted
remAinLatency 2 - 20 - 1 2 Analog latency of remote terminal
MaxTransmDelay 0 - 40 ms 1 20 Max allowed transmission delay
CompRange 0-10kA
0-25kA
0-50kA
0-150kA
- - 0-25kA Compression range
MaxtDiffLevel 200 - 2000 us 1 600 Maximum time diff for ECHO back-up
DeadbandtDiff 200 - 1000 us 1 300 Deadband for t Diff
PID-6473-SETTINGS v2
Table 16: LDCMRecBinStat3 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
TransmCurr CT-GRP1
CT-GRP2
CT-SUM
CT-DIFF1
CT-DIFF2
RedundantChannel
- - CT-GRP1 Summation mode for transmitted current
values
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.
AnalogLatency 2 - 20 - 1 2 Latency between local analogue data
and transmitted
remAinLatency 2 - 20 - 1 2 Analog latency of remote terminal
MaxTransmDelay 0 - 40 ms 1 20 Max allowed transmission delay
Table continues on next page
1MRK505382-UEN Rev. K Section 4
Analog and binary signal transfer for line differential protection
Communication set-up, 670/650 series 59
Application Guide
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Hitachi 670 Series Specifications

General

Brand	Hitachi
Model	670 Series
Category	Control Unit
Language	English