GE L90 Instruction Manual page 559

CHAPTER 5: SETTINGS
5.8.12.9 Directional comparison unblocking
SETTINGS  CONTROL ELEMENTS  PILOT SCHEMES  DCUB SCHEME
 DCUB SCHEME

L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
DCUB SCHEME

FUNCTION: Disabled
DCUB BLOCK:

Off
DCUB PERMISSIVE

ECHO: Disabled
DCUB ECHO COND:

Off
GND DIR O/C FWD:

Off
GND DIR O/C REV:

Off
TRANS BLOCK PICKUP

DELAY: 0.020 s
TRANS BLOCK RESET

DELAY: 0.090 s
ECHO DURATION:

0.100 s
ECHO LOCKOUT:

0.250 s
LINE END OPEN PICKUP

DELAY: 0.050 s
DCUB LOG PICKUP

DELAY: 0.008 s
GUARD HEALTHY RESET

DELAY: 0.015 s
DCUB LOG TRIP

WINDOW: 0.150 s
DCUB SEAL-IN

DELAY: 0.010 s
DCUB NO OF COMM

BITS: 1
DCUB RX1:

Off
DCUB LOG1:

Off
DCUB RX2:

Off
DCUB LOG2:

Off
DCUB RX3:

Off
DCUB LOG3:

Off
DCUB RX4:

Off
Range: Disabled, Enabled
Range: FlexLogic operand
Range: Disabled, Enabled, Custom
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 0 to 65.535 s in steps of 0.001
Range: 1, 2, or 4
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
Range: FlexLogic operand
CONTROL ELEMENTS
5
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