GE F485 user manual

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F485


COMMUNICATIONS CONVERTER









Instruction Manual



Manual P/N: 1601-0073-A3

Copyright © 2003 GE Multilin





805701A1.CDR

E83849


LISTED

IND.CONT. EQ.
52TL
g
GE Multilin


215 Anderson Avenue, Markham, Ontario L6E 1B3
Tel: (905) 294-6222 Fax: (905) 201-2098
Toll Free: 1-800-547-8629 (North America)
Web Site: www.GEindustrial.com/multilin

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F485 COMMUNICATIONS CONVERTER Page 3 of 8 FEATURES • Converts between RS232, RS485 or Fiber • 1200 to 57600 baud rates • Isolated RS485 interface • 50/125µm, 62.5/125µm, and 100/140µm fiber sizes • Front panel LEDs for power, RS232 Rx/Tx, and RS485 Rx/Tx • Two possible mounting arrangements • 120 V AC (ANOMA AEC-3590 or other listed direct plug-in Class 2 power supply rated maximum 9 V DC output) or 220 V AC adapter included. 805701A1.CDR • Additional power supply terminal

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POWER FIBER OPTIC RS485 POWER RS232 Tx Rx 1 2 3 4 5 6 COMPUTER 9V - - + COM GND + AC/DC F485 COMMUNICATIONS CONVERTER Page 4 of 8 CONNECTIONS RS485 RS232 The RS485 terminals accept a standard shielded twisted The RS232 connector on the F485 converter accepts a pair (such as Beldon 9841) and provide connections for a standard 9-pin computer cable. See wiring diagram for pin "+", "-" and a shield. The RS485 terminals have a assignments. terminating network installed internally and therefore, n

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F485 COMMUNICATIONS CONVERTER Page 5 of 8 BAUD RATES Two-wire RS485 is half duplex and requires a means for switching between a receive or transmit state. The F485 converter uses the incoming data to control the direction and therefore requires no control signals from the master device (RS232 or fiber) to switch from transmit to receive mode after the last character has been transmitted. The baud rate switches control the length of time that the RS485 transmitter will remain in the trans

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F485 COMMUNICATIONS CONVERTER Page 6 of 8 WIRING DIAGRAM ISOLATED TERMINATION RS485 AND LINE BIAS CONVERTER BAUD RATE DIRECTION SWITCHES TIMER DATA + 1 TO RELAYS - 2 SHIELD 3 SR489 STATUS GENERATOR STATUS OUTPUT RELAYS SR489 IN SERVICE BREAKER OPEN R1 TRIP SETPOINT ACCESS BREAKER CLOSED R2 AUXILIARY COMPUTER RS232 HOT STATOR R3 AUXILIARY COMPUTER RS485 NEG. SEQUENCE R4 AUXILIARY AUXILIARY RS485 GROUND R5 ALARM GND 4 ALT. SETPOINTS LOSSOFFIELD R6 SERVICE RESET VT FAILURE POSSIBLE RESET MESSAG

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F485 COMMUNICATIONS CONVERTER Page 7 of 8 GE Multilin Relay Warranty General Electric Multilin Inc. (GE Multilin) warrants each relay it manufactures to be free from defects in material and workmanship under normal use and service for a period of 24 months from date of shipment from factory. In the event of a failure covered by warranty, GE Multilin will undertake to repair or replace the relay providing the warrantor determined that it is defective and it

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g GE Multilin 215 Anderson Avenue Markham, Ontario Canada L6E 1B3 Tel: (905) 294-6222 Fax: (905) 201-2098 http://www.GEindustrial.com/pm