User-Programmable Elements - GE Multilin 850 Instruction Manual

CHAPTER 1: INTRODUCTION

User-Programmable Elements

850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
EVENT DATA
Number of Records:...........................................1024 (matches the existing Event Recorder)
Data Storage:........................................................Non-volatile memory
Time-tag Accuracy: ...........................................One microsecond
Settings:...................................................................64 Configurable FlexAnalog parameters,
Actuals: ....................................................................Selected Event Number,
Commands: ...........................................................None (using existing Clear Event Recorder)
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
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
EVENT RECORDER
Number of events:..............................................1024
Header: ....................................................................relay name, order code, firmware revision
Content:...................................................................any element pickup, any element operate, digital input
Data Storage:........................................................non-volatile memory
Time-tag Accuracy: ...........................................to one microsecond
LAST TRIP DATA
Number of Records:...........................................1
Data Storage:........................................................Non-volatile memory
Time-tag Accuracy: ...........................................One microsecond
Actuals: ....................................................................Event Number of Last Trip,
Commands: ...........................................................Clear Last Trip Data
FLEXLOGIC
Lines of code:........................................................1024
Supported operations: .....................................NOT, XOR, OR (2 to 16 inputs), AND (2 to 16 inputs), NOR (2 to
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
Event Selector
Timestamp of Selected Event,
Cause of Selected Event,
64 Configurable FlexAnalog values
parameters
change of state, digital output change of state, self-test
events
Timestamp of Last Trip,
Cause of Last Trip,
64 Configurable FlexAnalog values
16 inputs), NAND (2 to 16 inputs), latch (reset-dominant),
edge detectors, timers
pickup to operate
SPECIFICATIONS
1–25