F485 COMMUNICATIONS CONVERTER – INSTRUCTION MANUAL
7
Wiring
Figure 4: 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
1
8
3
3
2
7
7
4
5
5
7
9
9
20
2
2
3
4
4
20
RS232 INTERFACE
F485 COMPUTER
TXD
TXD
RXD
RXD
SGND
SGND
9 PIN
CONNECTOR
25 PIN
CONNECTOR
8
8
5
6
6
6
Rx
FIBER
9V
AC
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
SR489 IN SERVICE
BREAKER OPEN
R1 TRIP
R2 AUXILIARY
R3 AUXILIARY
R4 AUXILIARY
R5 ALARM
R6 SERVICE
SETPOINT ACCESS
BREAKER CLOSED
COMPUTER RS232
HOT STATOR
MESSAGE
VT FAILURE
BREAKER FAILURE
PROGRAM PORT
SETPOINT
7
8
9
4
5
6
1
2
3
.
0
HELP
MESSAGE
VALUE
ACTUAL
ESCAPE
ENTER
RESET
NEXT
RESET
POSSIBLE
COMPUTER RS485
AUXILIARY RS485
ALT. SETPOINTS
SR489 STATUS
GENERATOR STATUS
OUTPUT RELAYS
NEG. SEQUENCE
GROUND
LOSS OF FIELD
1
2
3
4
RS485
SHIELD
GND
-
+
5
6
-
+
F485 CONVERTER
GE MULTILIN
489
Generator Management Relay
TM
e
