GE 869 - Outputs

1–28 869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 1: INTRODUCTION
ARC FLASH SENSOR/FIBER
Number of Point Sensors:...............................4
Detection Radius: ...............................................180 degree
Maximum Fiber Length (Point Sensor):.....18 ft
Fiber Size: ...............................................................1000 um
Mode:........................................................................ Multi-mode
Connector: .............................................................Small Media Interface (SMI)
Fiber Type: .............................................................Plastic Optical Fiber
Bend Radius:.........................................................>25 mm
CONTACT INPUTS
Number of Inputs: ..............................................Based on relay ordering
Type:.........................................................................Wet or Dry
Wet Contacts:.......................................................300 V DC maximum
Selectable thresholds: ......................................17, 33, 84, 166 VDC
Tolerance:...............................................................±20%
Recognition time:................................................1 ms (typical)
Debounce time: ...................................................0.0 to 16.0 ms in steps of 0.5 ms
Continuous current draw (burden):............2 mA
CLOCK
Setup: .......................................................................Date and Time, Daylight Saving Time, UTC (Coordinated
Universal Time)
Backup Retention: ..............................................1 hour
IRIG-B INPUT
Auto-detect:..........................................................DC and AM
Amplitude Modulation:.....................................1 V to 10 V pk-to-pk
DC Shift:...................................................................TTL
Input Impedance: ............................................... 40 kΩ
Isolation: .................................................................2 kV
RTD INPUTS
Types (3-wire):......................................................100 Ω Platinum, 120 Ω Nickel, 100 Ω Nickel, 10 Ω Copper
Sensing current: .................................................. 5 mA
Range:......................................................................–40 to +250°C (-40 to +482°F)
Accuracy: ...............................................................±2°C (±4°F)
Isolation: .................................................................36 V pk-pk (a group of RTDs to ground)
Lead Resistance: .................................................25 Ohms max. per lead for platinum or nickel and 3 Ohms
max. per lead for copper RTDs
Outputs
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,
600 Ω @ 20 mA
Accuracy: ...............................................................± 1% of full scale
Isolation: .................................................................500V DC for one minute (functional isolation between analog
inputs and output group; and each group of chassis)
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