Outputs - GE MI-869 Instruction Manual

SPECIFICATIONS

Outputs

1–26
ANALOG OUTPUTS
Range (configurable):........................................ 0 to 1mA, 0 to 5mA, 0 to 10mA, 0 to 20mA, 4 to 20mA
Max. load resistance: ........................................ 10 kΩ @ 1 mA,
Accuracy:................................................................ ± 1% of full scale
Isolation: ................................................................. 500V DC for one minute (functional isolation between analog
Driving Signal: ...................................................... any Analog quantity
Sampling Interval: .............................................. Typically 500 ms
Upper and lower limit
(for the driving signal): ............................... -90 to 90 pu in steps of 0.001
TRIP/CLOSE OUTPUT RELAYS
(Relays #1 and #2 from Slot F, Relays #9 and #10 from Slot G)
Type: ......................................................................... FORM-A
Configuration: ...................................................... 2 (two) electromechanical
Contact material:................................................ silver-alloy
Operate time:........................................................ <8 ms
Continuous current:........................................... 10 A
Make and carry for 0.2s:.................................. 30 A per ANSI C37.90
Break (DC inductive, L/R=40 ms):................. 24 V / 1 A
Break (DC resistive): ........................................... 24 V / 10 A
Break (AC inductive):.......................................... 720 VA @ 250 VAC Pilot duty A300
Break (AC resistive):............................................ 277 VAC / 10 A
Operation Mode: ................................................. Self-Reset, Latched, Pulsed, Non-Failsafe, Failsafe
FORM-A VOLTAGE MONITOR
Applicable voltage: ............................................ 20 to 250 VDC
Trickle current: .....................................................1 to 2.5 mA
Timer acurracy: ................................................... ± 3% of operate time or ± 1/4 cycle (whichever is greater)
600 Ω @ 20 mA
inputs and output group; and each group of chassis)
48 V / 0.5 A
125 V / 0.3 A
250 V / 0.2 A
48 V / 6 A
125 V / 0.5 A
250 V / 0.3 A
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION