12.1.4
Signals
Table 331:
ZCPSCH (85) Input signals
Name
Type
Default
Description
I3P
GROUP
SIGNAL
-
Current group connection
V3P
GROUP
SIGNAL
-
Voltage group connection
BLOCK
BOOLEAN
0
Block of function
BLKTR
BOOLEAN
0
Block pilot (communication assisted) trip
BLKCS
BOOLEAN
0
Block pilot channel start
CS_STOP
BOOLEAN
0
Block of channel start (CS) due to reverse fault detection
PLTR_CRD
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
CR_GUARD
BOOLEAN
0
Carrier channel guard input signal
CBOPEN
BOOLEAN
0
Indicates that the breaker is open
Table 332:
ZCPSCH (85) Output signals
Name
Type
Description
TRIP
BOOLEAN
Trip by pilot communication scheme logic
CS
BOOLEAN
Pilot channel start signal
CHSTOP
BOOLEAN
Stops the blocking signal to remote end
CRL
BOOLEAN
Channel receive signal output from communication
scheme logic
LCG
BOOLEAN
Loss of channel guard signal output from
communication scheme logic
Section 12
1MRK 506 335-UUS A
Scheme communication
496
Technical manual
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