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F485 COMMUNICATIONS CONVERTER Page 6 of 8
g
GE Multilin
WIRING DIAGRAM
805752A9.CDR
VOLTAGE
INPUT
9VAC/9VDC
TO RELAYS
BAUD RATE
SWITCHES
TIMER
DATA
DATA
DATA
ST
CONNECTOR
50/125 um fiber
62.5/125 um fiber
100/140 um fiber
`
`
`
RS232
LED Rx
RS232
LED Tx
DIRECTION
CONFIGURATION
SWITCH
RS485
LED Tx
RS232
DRIVER
DTE/DCE
RELAY
+5V
DTE/DCE
SWITCH
COMPUTER
RS232
Tx
1 18
3 32
7 74
5 57
9 920
2 23
4 420
RS232 INTERFACE
F485 COMPUTER
TXD TXD
RXD RXD
SGND SGND
9 PIN
CONNECTOR
25 PIN
CONNECTOR
8 85
6 66
Rx
FIBER
9VAC
120/220 VAC
POWER ADAPTER
POWER
JACK
POWER SUPPLY
9VAC/
9VDC
9VDC
+
~
~
-
5V
POWER
+5V
ISOLATED
RS485
CONVERTER
TERMINATION
AND LINE BIAS
RS485
LED Rx
SR489IN SERVICE BREAKEROPEN R1TRIP
R2AUXILIARY
R3AUXILIARY
R4AUXILIARY
R5ALARM
R6SERVICE
SETPOINTACCESS BREAKERCLOSED
COMPUTERRS232 HOT STATOR
MESSAGE
VTFAILURE
BREAKERFAILURE
PROGRAMPORT
SETPOINT
7
89
4
5
6
123
.
0
HELP
MESSAGE
VALUE
ACTUAL
ESCAPE
ENTER
RESET
NEXT
RESET
POSSIBLE
COMPUTERRS485
AUXILIARYRS485
ALT.SETPOINTS
SR489 STATUSGENERATORSTATUS
OUTPUT RELAYS
NEG.SEQUENCE
GROUND
LOSSOFFIELD
1
2
3
4
RS485
SHIELD
GND
-
+
5
6
-
+
F485 CONVERTER
GE MULTILIN
489Generator Management Relay
TM
e
ORDER CODE
DIMENSIONS