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GE 889 - Recording; User-Programmable Elements

GE 889
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1–24 889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 1: INTRODUCTION
Recording
EVENT RECORDER
Number of events:..............................................1024
Header:....................................................................relay name, order code, firmware revision
Content:...................................................................any element pickup, any element operate, digital input
change of state, digital output change of state, self-test
events
Data Storage:........................................................non-volatile memory
Time-tag Accuracy:...........................................to one microsecond
DATA LOGGER
Data Logger channels:.....................................16
Data Logger Rate: .............................................. 1 cycle, 1 sec., 30 sec., 1 min., 15 min., 30 min., 1 hour
Inputs: ......................................................................Any analog parameter from the list of available analog
parameters
Data Collection Mode: ......................................Continuous, Triggered
Trigger Source:.....................................................Any digital flag from the list of digital flags
Trigger Position:...................................................0 to 50% in steps of 1%
Channel 1(16) Mode:..........................................Sample, Min, Max, Mean
FAULT REPORTS
Number of Reports: ...........................................15
Captured Data: ....................................................Pre-fault and fault phasors for all CT and VT banks, pre-fault
and fault trigger operands, user-programmable analog
channels 1 to 32
TRANSIENT RECORDER
Default AC Channels: ........................................ 8 currents + 4 voltages
Configurable Channels:...................................16 analog and 64 digital channels
Sampling Rate:.....................................................128/c, 64/c, 32/c, 16/c, 8/c
Trigger Source:.....................................................Any element pickup, dropout or operate, digital input or
output change of state, FlexLogic operand
Trigger Position:...................................................0 to 100%
Storage Capability:............................................Non-volatile memory
LAST TRIP DATA
Number of Records: ..........................................1
Data Storage:........................................................Non-volatile memory
Time-tag Accuracy:...........................................One microsecond
Actuals:.................................................................... Event Number of Last Trip,
Timestamp of Last Trip,
Cause of Last Trip,
64 Configurable FlexAnalog values
Commands:...........................................................Clear Last Trip Data
User-Programmable Elements
FLEXLOGIC
Lines of code:........................................................1024
Supported operations: ..................................... NOT, XOR, OR (2 to 16 inputs), AND (2 to 16 inputs), NOR (2 to
16 inputs), NAND (2 to 16 inputs), latch (reset-dominant),
edge detectors, timers
Inputs: ......................................................................any logical variable, contact, or virtual input
Number of timers: .............................................. 32
Pickup delay: ........................................................0 to 60000 (ms, sec., min.) in steps of 1
Dropout delay:.....................................................0 to 60000 (ms, sec., min.) in steps of 1
Timer accuracy:.................................................. ±3% of delay setting or ±¼ cycle (whichever is greater) from
pickup to operate

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