G3 to Modula
Controlle
(CBLRLC05)
ICM5
CONNECTING A G308 OPERATOR
INTERFACE TO AN ICM5
CBLPROG0
ICM5 DIP Switch Settings
DH485 COMMUNICATIONS
The G308’s RS422/485 COMMS port can also be used for Allen Bradley
DH485 communications.
WARNIN
: DO NOT use a standard DH485 cable to connect this port to Allen
Bradley equipment. A cable and wiring diagram are available from Red Lion.
Application Dependent
G3 to
B SLC 500 (CBLAB003)
RS422/485 COMMS PORT
The G308 has one RS422/485 port. The G308A port is isolated, while the
G308C port is not isolated. This port can be configured to act as either RS422
or RS485.
RS422/485 4-WIRE
CONNECTIONS
RS485 2-WIRE
CONNECTIONS
5V
130K
7
TxB
1
TX
5V
8
TxA
130K
7
130K
2
TxB
1
TX/RX
8
5 TxEN (OC)
TxA
130K
2
(G308A2 ONLY)
5 TxEN (OC)
130K
6 GND
4 RxB
+
-
RX
24VDC
3 RxA
130K
6 GND
Note: All Red Lion devices connect A to A and B to B, except for Paradigm
devices. Refer to www.redlion.net for additional information.
Examples o
RS485 2-Wire Connections
G3 to Red Lion RJ11 (CBLRLC00)
DLC, IAMS, ITMS, PAXCDC4C
5
*
ON
9600
BAUD
19200
BAUD
38400
BAUD
57600
BAUD
115200
BAUD
PULL
DOWN
PULL
UP
OFF
4
WIRE/
ON
2
WIRE
OFF
4
WIRE/
ON
2
WIRE
1
2
3
4
5
6
7
8
9
*
*
*
*
*
*
*
*
*
*
120
TERMINATION
OFF
422/
ON
485
OFF
422/
ON
485
NC
OFF
DCE/
ON
DTE
OFF
DCE/
ON
DTE
OFF
DTE/
ON
DCE
OFF
DTE/
ON
DCE
1
2
3
4
5
6
7
ON
Connections
G3: RJ45 Name RLC: RJ11 Name
5 TxEN 2 TxEN
6 COMM 3 COMM
1 TxB 5 B-
2 TxA 4 A+
POWER
SUPPLY
A
A
A
A
ISOLATED
F
AUXILIARY
ETHERNET
ISOLATED
E
ETHERNET
HOST B
ISOLATED
D
RS232
PORT B
HOST A
ISOLATED
C
RS232
PORT A
PGM PORT
ISOLATED
B
RS485
PORT A
USB DEVICE
PROGRAMMING
Connections
RJ45: RLC Name RJ45: A-B Name
1 TxB 1 A
2 TxA 2 B
3, 8 RxA - 24V
4, 7 RxB - COMM
5 TxEN 5 TxEN
6 COMM 4 SHIELD
4, 7 TxB - COMM
3, 8 TxA - 24V
Connections
G3 Name Modular Controller Name
1,4 TxB 1,4 TxB
4,1 RxB 4,1 RxB
2,3 TxA 2,3 TxA
3,2 RxA 3,2 RxA
5 TxEN 5 TxEN
6 COMM 6 COMM
7 TxB 7 TxB
8 TxA 8 TxA