ABB Relion 670 Series Technical Reference Manual page 822

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