GE D90 Plus Instruction Manual page 528

Line distance protection system
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USER-PROGRAMMABLE PUSHBUTTONS
520
If set to "Latched", the pushbutton control logic alternates the state of the corresponding
operand between the on-state and off-state on each button press or by virtually
activating the pushbutton (assigning set and reset operands). In latched mode, the
operand states are stored in non-volatile memory. Should supply power be lost, the
correct state of the pushbutton is retained upon subsequent power-up.
ID Text
Range: up to 20 alphanumeric characters
Default: empty
This setting specifies the name (ID) for the user-programmable pushbutton.
On Text
Range: up to 20 alphanumeric characters
Default: empty
This setting specifies the text to display when the pushbutton is in the on position.
Off Text
Range: up to 20 alphanumeric characters
Default: empty
This setting specifies the text to display when the pushbutton is in the off position. This
message is not displayed in self-reset mode as the pushbutton operand status is implied
to be off upon its release.
Set
Range: any FlexLogic™ operand or shared operand
Default: OFF
When the operand assigned to this setting is asserted, the pushbutton is operated and
the
operand is asserted. The duration of the incoming set signal must
PUSHBUTTON 1 ON
be at least 100 ms.
Reset
Range: any FlexLogic™ operand or shared operand
Default: OFF
When the operand assigned to this setting is asserted, the pushbutton is reset and the
operand is asserted. This setting is applicable only if the pushbutton is
PUSHBUTTON 1 OFF
in latched mode. The duration of the incoming set signal must be at least 100 ms.
Autoreset
Range: Disabled, Enabled
Default: Disabled
This setting enables the user-programmable pushbutton autoreset feature. This setting
is applicable only if the pushbutton is in latched mode.
Autoreset Delay
Range: 0.2 to 600.0 seconds in steps of 0.1
Default: 1.0 seconds
This setting specifies the time delay for automatic reset of the pushbutton when in the
latched mode.
Remote Lock
Range: any FlexLogic™ operand or shared operand
Default: OFF
When the operand assigned to this setting is asserted, pushbutton operation from
operands assigned to the
or
settings is inhibited.
Set
Reset
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 12: LOCAL INTERFACE

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