Configuration Of Analog Inputs - Hitachi 670 Series Application Manual

1MRK505382-UEN Rev. K
IEC05000533-NEW V2 EN-US
Figure 16:
Figure 16
are two LDCMs each supporting a duplex connection with a remote line end. Thus, the same local
current is configured to both LDCMs, while the received currents from the LDCMs are configured
separately to the line differential protection function.
4.3.1

Configuration of analog inputs

Analog inputs are configured via PCM600.
Communication set-up, 670/650 series
Application Guide
Pre-processing
Typical configuration of analog signals for a three-terminal line
shows how one IED in a three-terminal line differential protection can be configured. There
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Analog and binary signal transfer for line differential protection
Currents from
A/D
local CT
SMAI L3DPDIF
Line Differential
block function
Section 4
Currents from
remote end 1
LDCM 1
Currents to
remote end 1
Currents from
remote end 2
LDCM 2
Currents to
remote end 2
IEC05000533-2-en.vsd
GUID-3D04D47C-65FA-4C1F-BFC1-499BAAD506DA v1
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