RS422/485 COMMS PORT
The G308 has one RS422/485 port. This port can be configured to act as
either RS422 or RS485.
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.
5
Examples of RS485 2-Wire Connections
G3 to Red Lion RJ11 (CBLRLC00)
DLC, IAMS, ITMS, PAXCDC4C
A+
4
TxA
2
B-
5
TxB
1
COM
3
COM
6
TxEN
2
TxEN
5
Name
RLC: RJ11
Name
G3: RJ45
Connections
G3 to Modular Controller (CBLRLC05)
TxA
8
TxA
8
TxB
7
TxB
7
COM
6
COM
6
TxEN
5
TxEN
5
RxA
TxA
3,2
2,3
RxA
TxA
3,2
2,3
RxB
4,1
RxB
4,1
TxB
1,4
TxB
1,4
Name
Modular Controller
Name
G3
Connections
DH485 COMMUNICATIONS
The G308’s RS422/485 COMMS port can also be used for Allen Bradley
DH485 communications.
WARNING
:
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.
G3 to AB SLC 500 (CBLAB003)
24V
-
TxA
3, 8
COMM
-
TxB
4, 7
SHIELD
4
COMM
6
TxEN
5
TxEN
5
COMM
-
RxB
4, 7
24V
-
RxA
3, 8
B
2
TxA
2
A
1
TxB
1
Name
RJ45: A-B
Name
RJ45: RLC
Connections
RS422/485 4-WIRE
CONNECTIONS
RS485 2-WIRE
CONNECTIONS
