Power Supply; Communications - GE 845 Instruction Manual

SPECIFICATIONS
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Power Supply

Communications

1–24
For 2 IO_A module configuration the following ratings are applied to meet UL508
requirements: 1 second "on"/ 10 seconds "off" per output relay at max rating.
PULSED OUTPUTS
Mode:........................................................................ 3-phase positive and negative active energy measurement,
Principle: ................................................................. Pulsed output is energized for one second and then de-
POWER SUPPLY
Nominal DC Voltage:......................................... 125 to 250 V
Minimum DC Voltage:....................................... 88 V
Maximum DC Voltage:...................................... 300 V
Nominal AC Voltage: ......................................... 100 to 240 V at 50/60 Hz
Minimum AC Voltage: ....................................... 88 V at 50 to 60 Hz
Maximum AC Voltage:...................................... 265 V at 50 to 60 Hz
Voltage loss ride through:............................... 20 ms duration
POWER CONSUMPTION
Typical:..................................................................... 10 to 15 W/VA
Maximum: .............................................................. 18 W/ 56VA
ETHERNET – BASE OFFERING
Modes: ..................................................................... 10/100 Mbps
One Port:................................................................. RJ45
Protocol:.................................................................. Modbus TCP
ETHERNET – CARD OPTION
Modes: ..................................................................... 100 MB
Two Ports:............................................................... ST (with this option both enabled ports are on the
Protocols:................................................................ Modbus TCP, DNP3.0, IEC60870-5-104, IEC 61850, IEC 61850
USB
Standard specification:.................................... Compliant with USB 2.0
Protocols:................................................................ Modbus TCP, TFTP
SERIAL
RS485 port: ............................................................ Isolated
Baud rates: ............................................................ Supports 9600, 19200, 38400, 57600, and 115200 kbps
Response time: .................................................... 10 ms typical
Parity: ....................................................................... None, Odd, Even
Protocol:.................................................................. Modbus RTU, DNP 3.0, IEC 60870-5-103
Maximum distance:........................................... 1200 m (4000 feet)
Isolation: ................................................................. 2 kV
WIFI
Standard specification:.................................... IEEE802.11bgn
Range:...................................................................... 30 ft (direct line of sight)
3-phase positive and negative reactive energy
measurements
energized for one second after the programed energy
increment.
communications card; the Ethernet port located on the base
CPU is disabled)
GOOSE, IEEE 1588, SNTP, IEC 62439-3 clause 4 (PRP)
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 1: INTRODUCTION