OPTO 22 G4LC32, User Manual

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G4LC32 User’s Guide
Connections to a Remote Interface (G4IOR)The following diagram shows a typical 2-wire, shielded connection from
COM1 on the G4LC32 to the G4IOR Remote Interface. Connect Pin 1 (TX/RX+) to G4IOR “TH+”, Pin 2 (TX/RX-) to
G4IOR “TH-”, and Pin 3 to “COM”. If you are using the interrupt lines, connect Pin 6 to “IRQ+” and Pin 7 to “IRQ-”.
FUSE
F4A
250
V
FUSE
F4A
250
V
SW2
SW3
SW4
SW1
MO
THER
BOARD
CONNECT
OR
+
1
COM
1
COM
0
COM
1
COM
3
COM
0
COM
2
RS232
RS485
+ + +
++
+
DISPLA
Y
CONNECT
OR
ON
ON
ON
ON
OPT
O
22
G4LC32INT
+
REMOTE PANEL INTERFACE
MISTIC PROTOCOL
SPARE FUSES
1–AMP 4–AMP
BYPASS
FUSE
F4A
250
V
FUSE
F4A
250
V
FUSE
F4A 250V
FUSE
F4A 250V
TH IRQ COM
+ — + —
TH IRQ COM
+ — + —
COM1, RS-485
7
6
5
4
3
2
1
Connection Diagram
COMMUNICATIONS AND CABLES
5-8