Pilot Schemes - GE UR Series L90 Instruction Manual

5 SETTINGS
a) MAIN MENU
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PATH: SETTINGS CONTROL ELEMENTS
 PILOT SCHEMES

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This menu contains settings for selecting and configuring protection signaling schemes. All schemes are available for sin-
gle-pole tripping applications and can be used with one, two, or four-bit communications channels. Choices of communica-
tions channels include remote inputs/outputs and telecommunications interfaces.
b) DIRECT UNDER-REACHING TRANSFER TRIP (DUTT)

PATH: SETTINGS CONTROL ELEMENTS
 DUTT SCHEME

MESSAGE
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GE Multilin


PILOT SCHEMES

 DUTT SCHEME

 PUTT SCHEME

 POTT SCHEME

 POTT1 SCHEME

 HYBRID POTT SCHEME

 BLOCKING SCHEME

 DCUB SCHEME
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 
PILOT SCHEMES DUTT SCHEME
DUTT SCHEME
FUNCTION: Disabled
DUTT SCHEME BLOCK:
Off
DUTT SEAL-IN
DELAY: 0.010 s
DUTT NO OF COMM
BITS: 1
DUTT RX1:
Off
DUTT RX2:
Off
DUTT RX3:
Off
DUTT RX4:
Off
DUTT SCHEME TARGET:
Self-Reset
DUTT SCHEME EVENTS:
Disabled
L90 Line Current Differential System
5.7 CONTROL ELEMENTS
5.7.13 PILOT SCHEMES
See page 5–297.
See page 5–302.
See page 5–302.
See page 5–306.
See page 5–308.
See page 5–312.
See page 5–316.
Range: Disabled, Enabled
Range: FlexLogic operand
Range: 0.000 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: Self-Reset, Latched, Disabled
Range: Disabled, Enabled
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