GE UR Series L90 Instruction Manual page 444

Line current differential system
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5.7 CONTROL ELEMENTS
e) PERMISSIVE OVER-REACHING TRANSFER TRIP (POTT1)

PATH: SETTINGS
CONTROL ELEMENTS
 POTT1 SCHEME
5
5-306

PILOT SCHEMES
POTT1 SCHEME
FUNCTION: Disabled
POTT1 SCHEME BLOCK:
MESSAGE
Off
POTT1 PERMISSIVE
MESSAGE
ECHO: Disabled
POTT1 ECHO COND:
MESSAGE
Off
TRANS BLOCK PICKUP
MESSAGE
DELAY: 0.020 s
TRANS BLOCK RESET
MESSAGE
DELAY: 0.090 s
ECHO DURATION:
MESSAGE
0.100 s
ECHO LOCKOUT:
MESSAGE
0.250 s
LINE END OPEN PICKUP
MESSAGE
DELAY:
0.050 s
POTT1 SEAL-IN
MESSAGE
DELAY:
0.010 s
DIR FWD1:
MESSAGE
Off
DIR FWD2:
MESSAGE
Off
DIR FWD3:
MESSAGE
Off
POTT1 NO OF COMM
MESSAGE
BITS: 1
POTT1 RX1:
MESSAGE
Off
POTT1 RX2:
MESSAGE
Off
POTT1 RX3:
MESSAGE
Off
POTT1 RX4:
MESSAGE
Off
POTT1 SCHEME TARGET:
MESSAGE
Self-Reset
POTT1 SCHEME EVENTS:
MESSAGE
Disabled
L90 Line Current Differential System

POTT SCHEME
Range: Disabled, Enabled
Range: FlexLogic operand
Range: Disabled, Enabled, Custom
Range: FlexLogic operand
Range: 0.000 to 65.535 s in steps of 0.001
Range: 0.000 to 65.535 s in steps of 0.001
Range: 0.000 to 65.535 s in steps of 0.001
Range: 0.000 to 65.535 s in steps of 0.001
Range: 0.000 to 65.535 s in steps of 0.001
Range: 0.000 to 65.535 s in steps of 0.001
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: 1, 2, or 4
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: Self-Reset, Latched, Disabled
Range: Disabled, Enabled
5 SETTINGS
GE Multilin

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