ABB Relion 670 series - Function block; Input and output signals

13.1.3 Function block
ANSI06000286-2-en.vsd
ZCPSCH (85)
BLOCK
BLKTR
BLKCS
CS_STOP
PLTR_CRD
CSOR
CSUR
CR
CR_GUARD
TRIP
CS
CRL
LCG
ANSI06000286 V2 EN
Figure 390: ZCPSCH (85) function block
13.1.4 Input and output signals
Table 419: ZCPSCH (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 420: ZCPSCH (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
794
Technical reference manual