Power Supply; Communications - GE Multilin 350 Series Instruction Manual

CHAPTER 1: INTRODUCTION

Power supply

Communications

350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
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FORM-C RELAYS
Configuration:.......................................................5 (five) 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
TRIP / CLOSE SEAL-IN
Relay 1 trip seal-in:.............................................0.00 to 9.99 s in steps of 0.01
Relay 2 close seal-in:.........................................0.00 to 9.99 s in steps of 0.01
HIGH RANGE POWER SUPPLY
Nominal:..................................................................120 to 240 VAC
Range: ......................................................................60 to 300 VAC (50 and 60 Hz)
Ride-through time: .............................................35 ms
LOW RANGE POWER SUPPLY
Nominal:..................................................................24 to 48 VDC
Range: ......................................................................20 to 60 VDC
ALL RANGES
Voltage withstand: .............................................2 × highest nominal voltage for 10 ms
Power consumption: .........................................15 W nominal, 20 W maximum
SERIAL
RS485 port: ............................................................Opto-coupled
Baud rates:.............................................................up to 115 kbps
Response time:.....................................................1 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
ETHERNET (COPPER)
Modes:......................................................................10/100 MB (auto-detect)
Connector:..............................................................RJ-45
Protocol: ..................................................................Modbus TCP, DNP3.0, iec 60870-5-104, IEC 61850 GOOSE
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
125 to 250 VDC
84 to 300 VDC
20 VA nominal, 28 VA maximum
SPECIFICATIONS
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