GE B90 Instruction Manual page 193

Ur series low impedance bus differential system
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5 SETTINGS
The operands available for this relay are listed alphabetically by types in the following table.
Table 5–7: B90 FLEXLOGIC™ OPERANDS (Sheet 1 of 4)
OPERAND TYPE
OPERAND SYNTAX
CONTROL
CONTROL PUSHBTN 1 ON
PUSHBUTTONS
CONTROL PUSHBTN 2 ON
CONTROL PUSHBTN 3 ON
CONTROL PUSHBTN 4 ON
CONTROL PUSHBTN 5 ON
CONTROL PUSHBTN 6 ON
CONTROL PUSHBTN 7 ON
DIRECT DEVICES
DIRECT DEVICE 1On
DIRECT DEVICE 16On
DIRECT DEVICE 1Off
DIRECT DEVICE 16Off
DIRECT INPUT/
DIR IO CH1 CRC ALARM
OUTPUT
CHANNEL
DIR IO CH2 CRC ALARM
MONITORING
DIR IO CH1 UNRET ALM
DIR IO CH2 UNRET ALM
ELEMENT
BKRFAIL 1 RETRIP
Breaker failure
BKRFAIL 1 T1 OP
BKRFAIL 1 T2 OP
BKRFAIL 1 T3 OP
BKRFAIL 1 TRIP OP
BKRSUPV 1 SUPV OP
BKRSUPV 1 HISET OP
BKRSUPV 1 LOSET OP
BKRFAIL 2 to 24
BKRSUPV 2 to 24
ELEMENT:
BUS 1 BIASED PKP
Bus differential
BUS 1 BIASED DPO
BUS 1 BIASED OP
BUS 1 UNBIASED OP
BUS 1 OP
BUS 1 DIR
BUS 1 SAT
BUS 2 to 4
ELEMENT:
CT TROUBLE 1 OP
CT trouble
CT TROUBLE 2 OP
CT TROUBLE 3 OP
CT TROUBLE 4 OP
ELEMENT:
Dig Element 1 PKP
Digital elements
Dig Element 1 OP
Dig Element 1 DPO
Dig Element 2 to 48
ELEMENT:
EFP 1 PKP
End fault protection
EFP 1 DPO
EFP 1 OP
EPF 2 to 24
ELEMENT:
IOC 1 PKP
Instantaneous
IOC 1 DPO
overcurrent
IOC 1 OP
IOC 2 to 24
ELEMENT
ISOLATOR 1 POSITION
Isolator monitoring
ISOLATOR 1 ALARM
ISOLATOR 1 BLOCK
ISOLATOR 2 to 48
GE Multilin
OPERAND DESCRIPTION
Control pushbutton 1 is being pressed
Control pushbutton 2 is being pressed
Control pushbutton 3 is being pressed
Control pushbutton 4 is being pressed
Control pushbutton 5 is being pressed
Control pushbutton 6 is being pressed
Control pushbutton 7 is being pressed
Flag is set, logic=1
Flag is set, logic=1
Flag is set, logic=1
Flag is set, logic=1
The rate of direct input messages received on channel 1 and failing the CRC
exceeded the user-specified level
The rate of direct input messages received on channel 2 and failing the CRC
exceeded the user-specified level
The rate of returned direct input/output messages on channel 1 exceeded the
user-specified level (ring configurations only)
The rate of returned direct input/output messages on channel 2 exceeded the
user-specified level (ring configurations only)
Re-trip issued by the breaker failure 1 protection
Timer 1 of the breaker failure 1 protection expired
Timer 2 of the breaker failure 1 protection expired
Timer 3 of the breaker failure 1 protection expired
Breaker failure 1 has operated
Overcurrent supervision of the breaker failure 1 operated
High-set overcurrent supervision of the breaker failure 1 operated
Low-set overcurrent supervision of the breaker failure 1 operated
Same set of operands as shown for BKRFAIL1
Same set of operands as shown for BKRSUPV 1
The biased bus differential element for zone 1 has picked up
The biased bus differential element for zone 1 has dropped out
The biased bus differential element for zone 1 has operated
The unbiased bus differential element for zone 1 has operated
The bus differential element for zone 1 has operated
The directional unit for the zone 1 bus differential element has issued
permission to operate
The saturation detector for the zone 1 bus differential element has detected
external fault conditions
Same set of operands as shown for BUS 1
CT trouble has been detected for bus differential zone 1
CT trouble has been detected for bus differential zone 2
CT trouble has been detected for bus differential zone 3
CT trouble has been detected for bus differential zone 4
Digital Element 1 is picked up
Digital Element 1 is operated
Digital Element 1 is dropped out
Same set of operands as shown for Dig Element 1
The first end fault protection element has picked up
The first end fault protection element has dropped out
The first end fault protection element has operated
Same set of operands as shown for EFP 1
Instantaneous overcurrent 1 element has picked up
Instantaneous overcurrent 1 element has dropped out
Instantaneous overcurrent 1 element has operated
Same set of operands as shown for IOC 1
Position of isolator 1 (ON = closed; OFF = open)
Contact discrepancy detected for isolator 1
Blocking signal for substation switching operations set due to contact
discrepancy of isolator 1 (acknowledgeable)
Same set of operands as shown for ISOLATOR 1
B90 Low Impedance Bus Differential System
5.4 FLEXLOGIC™
5
5-73

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