User-Programmable Elements - GE 850 Instruction Manual

SPECIFICATIONS

User-Programmable Elements

1–30
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
FLEXELEMENTS
Number of elements: ........................................ 8
Operating signal: ................................................ Any analog actual value, or two values in a differential mode
Operating signal mode: ................................... Signed, or Absolute value
Operating mode:................................................. Level, Delta
Comparison direction:...................................... Over, Under
Pickup Level: ......................................................... -30.000 to 30.000 pu in steps of 0.001 pu
Hysteresis: ............................................................. 0.1 to 50.0% in steps of 0.1%
Delta dt:................................................................... 40 msec to 45 days
Pickup and dropout delays:........................... 0.000 to 6000.000 s in steps of 0.001 s
FLEXSTATES
Number of States: .............................................. 256 logical variables grouped under 16 Modbus addresses
Programmability:................................................ Any FlexLogic operand, any digital input, any virtual input,
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
any remote input
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION