Front Panel Interface - GE D90 Plus Instruction Manual

SPECIFICATIONS

Front panel interface

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TRANSIENT RECORDER
Storage capacity:................................................ one record with all available channels at 32 samples per
Number of records:............................................ 1 to 64
Sampling rate:...................................................... 16 to 256 samples per power cycle
Timestamp accuracy:....................................... <10 μs per second of recording
Analog channels: ................................................ up to twelve 16-bit, unprocessed, AC input channels
Analog channel data: ....................................... any FlexAnalog quantity
Digital channels:.................................................. up to 128
Digital channel data:......................................... any contact input, remote input, virtual input, automation
Sampled channels: ............................................ up to 24
Sampled channel data:.................................... 16-bit, unprocessed sampled channels
Triggers: .................................................................. any digital channel change of state, undervoltage,
Storage modes: ................................................... automatic overwrite, protected
Triggering modes: .............................................. time window from rising edge of trigger, continuous
Pre-trigger window:........................................... 0 to 100%
Data storage:........................................................ non-volatile memory
ANNUNCIATOR
Inputs: ...................................................................... 288
Windows per page:............................................ 12 to 48
Pages:....................................................................... up to 24
Sequence:............................................................... manual reset, locking
Off indication:....................................................... alarm inactive and reset
Flashing indication:............................................ alarm active and not acknowledged, alarm inactive and not
On indication: ....................................................... alarm active and acknowledged, alarm inactive and not
Priority:..................................................................... by active window and page number
Data storage:........................................................ non-volatile memory
CONTROL DISPLAY
Devices: ................................................................... status and control of up to 8 power system devices
Pushbuttons:......................................................... 20 dedicated user-programmable pushbuttons
Functionality: ........................................................ supports select-before-operate functionality
DIGITAL FAULT RECORDER DISPLAY
Sequence of events:.......................................... displays the stored sequence of events record
Fault reports: ........................................................ display and retrieval of the critical metrics of a stored fault
Transient records:............................................... retrieval of a stored transient record
Disturbance records:......................................... retrieval of a stored disturbance record
EQUIPMENT MANAGER DISPLAY
Battery monitoring: ........................................... displays the current battery voltage and alarm states
cycle for 1 minute
logic operand, or FlexLogic™ operand
overvoltage, undercurrent, overcurrent, underfrequency,
overfrequency, rate of change of frequency, one user-
programmable, one block
recording as long as trigger is active
acknowledged
reset
report
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 2: PRODUCT DESCRIPTION