GE L90 User Manual

5-394 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CONTROL ELEMENTS CHAPTER 5: SETTINGS
5

DCUB BLOCK:
Off
Range: FlexLogic operand

DCUB PERMISSIVE
ECHO: Disabled
Range: Disabled, Enabled, Custom

DCUB ECHO COND:
Off
Range: FlexLogic operand

GND DIR O/C FWD:
Off
Range: FlexLogic operand

GND DIR O/C REV:
Off
Range: FlexLogic operand

TRANS BLOCK PICKUP
DELAY: 0.020 s
Range: 0 to 65.535 s in steps of 0.001

TRANS BLOCK RESET
DELAY: 0.090 s
Range: 0 to 65.535 s in steps of 0.001

ECHO DURATION:
0.100 s
Range: 0 to 65.535 s in steps of 0.001

ECHO LOCKOUT:
0.250 s
Range: 0 to 65.535 s in steps of 0.001

LINE END OPEN PICKUP
DELAY: 0.050 s
Range: 0 to 65.535 s in steps of 0.001

DCUB LOG PICKUP
DELAY: 0.008 s
Range: 0 to 65.535 s in steps of 0.001

GUARD HEALTHY RESET
DELAY: 0.015 s
Range: 0 to 65.535 s in steps of 0.001

DCUB LOG TRIP
WINDOW: 0.150 s
Range: 0 to 65.535 s in steps of 0.001

DCUB SEAL-IN
DELAY: 0.010 s
Range: 0 to 65.535 s in steps of 0.001

DCUB NO OF COMM
BITS: 1
Range: 1, 2, or 4

DCUB RX1:
Off
Range: FlexLogic operand

DCUB LOG1:
Off
Range: FlexLogic operand

DCUB RX2:
Off
Range: FlexLogic operand

DCUB LOG2:
Off
Range: FlexLogic operand

DCUB RX3:
Off
Range: FlexLogic operand

DCUB LOG3:
Off
Range: FlexLogic operand

DCUB RX4:
Off
Range: FlexLogic operand

DCUB LOG4:
Off
Range: FlexLogic operand

DCUB SCHEME TARGET:
Self-Reset
Range: Self-Reset, Latched, Disabled

GE L90 Specifications

General

Communication	Ethernet, Serial
Mounting	Panel Mount
Frequency	50/60 Hz
Inputs	Digital, Analog
Outputs	Relay
Control	Local, Remote
Communication Interface	IEC 61850, DNP3, Modbus
Protection Functions	Differential, Ground Fault
Standards Compliance	IEC, IEEE