GE D90 Plus - Page 453

CHAPTER 8: AUTOMATION DISCONNECTS
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 443
Automatic Open
Range: any automation logic operand or shared operand
Default: OFF
The operand assigned to this setting is used to open the device from an automatic
control scheme.
Execute Time
Range: 0.0 to 10.0 seconds in steps of 0.1
Default: 10.0 seconds
This setting specifies the duration of the open and close commands used to control the
disconnect.
Control Bypass
Range: Enabled, Disabled
Default: Disabled
When enabled, this setting allows the interlocking to be bypassed from local or remote
control.
NOTICE
FAST PATH:
Non-interlocked control can result in equipment damage.
Automatic Bypass
Range: any automation logic operand or shared operand
Default: OFF
When the operand assigned to this setting is asserted, interlocking is bypassed.
NOTICE
FAST PATH:
Non-interlocked control can result in equipment damage.
Bypass Time
Range: 0.0 to 30.0 seconds in steps of 0.1
Default: 10.0 seconds
This setting specifies the time window during which non-interlocked control can occur
once bypass has been selected.
Events
Range: Enabled, Disabled
Default: Enabled
This setting enables and disables the logging of disconnect control events in the
sequence of events recorder.
The figures show the disconnect control logic. The logic is identical for all available
disconnects.
Figure 372: Disconnect control logic, sheet 1 of 3
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