GE L90 User Manual

5-378 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CONTROL ELEMENTS CHAPTER 5: SETTINGS
5
Figure 5-216: DUTT scheme logic
5.8.12.3 Permissive under-reaching transfer trip (PUTT)
SETTINGS  CONTROL ELEMENTS  PILOT SCHEMES  PUTT SCHEME
 PUTT SCHEME


PUTT SCHEME
FUNCTION: Disabled
Range: Disabled, Enabled

PUTT SCHEME BLOCK:
Off
Range: FlexLogic operand

PUTT RX PICKUP
DELAY: 0.000 s
Range: 0.000 to 65.535 s in steps of 0.001

PUTT SEAL-IN
DELAY: 0.010 s
Range: 0.000 to 65.535 s in steps of 0.001

PUTT NO OF COMM
BITS: 1
Range: 1, 2, or 4

PUTT RX1:
Off
Range: FlexLogic operand

PUTT RX2:
Off
Range: FlexLogic operand

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