ABB Relion 670 series, Technical Reference Manual

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13.5.3 Function block
ANSI06000288-1-en.vsd
ECPSCH (85)
BLOCK
BLKTR
BLKCS
CS_STOP
PLTR_CRD
CSOR
CSUR
CR
CR_GUARD TRIP
CS
CRL
LCG
ANSI06000288 V1 EN
Figure 404: ECPSCH (85) function block
13.5.4 Input and output signals
Table 435: ECPSCH (85) Input signals
Name Type Default Description
BLOCK BOOLEAN 0 Block of function
BLKTR BOOLEAN 0 Block pilot (communication assisted) trip
BLKCS BOOLEAN 0 Block pilot channel start
CSBLK BOOLEAN 0 Block of channel start (CS) due to reverse fault detection
CACC BOOLEAN 0 Signal to be used for coordinating local pilot tripping
with the channel receive (CR) signal
CSOR BOOLEAN 0 Signal to be used for channel start with overreaching
pilot schemes
CSUR BOOLEAN 0 Signal to be used for channel start with underreaching
pilot schemes
CR BOOLEAN 0 Channel receive input signal from communications
apparatus/module for pilot communication scheme logic
CRG BOOLEAN 0 Carrier channel guard input signal
Table 436: ECPSCH (85) Output signals
Name Type Description
TRIP BOOLEAN Trip by pilot communication scheme logic
CS BOOLEAN Pilot channel start signal
CRL BOOLEAN Channel receive signal output from communication
scheme logic
LCG BOOLEAN Loss of channel guard signal output from
communication scheme logic
Section 13
1MRK505222-UUS C
Scheme communication
816
Technical reference manual