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Hitachi 670 Series Application Guide

Hitachi 670 Series
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4.8.5 Settings
IP14245-1 v2
PID-6471-SETTINGS v2
Table 14: LDCMRecBinStat1 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
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
PID-6472-SETTINGS v2
Table 15: LDCMRecBinStat2 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
- - 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.
Table continues on next page
Section 4 1MRK505382-UEN Rev. K
Analog and binary signal transfer for line differential protection
58 Communication set-up, 670/650 series
Application Guide
© 2017 - 2023 Hitachi Energy. All rights reserved

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Hitachi 670 Series Specifications

General IconGeneral
BrandHitachi
Model670 Series
CategoryControl Unit
LanguageEnglish

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