88
Examples of RS485 2-Wire Connections
DH485 COMMUNICATIONS
The Graphite’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.
Graphite to Red Lion RJ11
Gxx:RJ45 Name RLC:RJ11 Name
5
TxEN
2
TxEN
6
COMM
3
COMM
1
TxB
5
B-
2
TxA
4
A+
Graphite to Modular Controller
Gxx
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
Graphite to AB SLC 500
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
USB
TYPE B
COMM
COMM
COMM
COMM
COMM
Tx
A
(PIN 8)
TxB (PIN 1)
RT
S (PIN 6)
CTS (PIN 1)
CTS (PIN 1)
RT
S (PIN 6)
Rx
A
Rx
B
Tx
B
TxEN
Tx
Tx
A
Rx
Tx
Rx
POWER
CONNECTOR
ETHERNET
(NIC)
ST
AT
US
ST
AT
US USB HOST
PORT A
PORT B
COMMS PORT
COMMS PORT
RS232
PGM PORT
RS485
RS232
POWER
+
-
USB
DEVICE
PORT A (PGM)
RS232
RS232
PORT B
RS485
PORT A
+DC VO
LT
AG
E
COMMO
N
1
CHASSI
S
2
3
A
B
USB HOST
ETHERNET
G07 PORT PIN OUTS
TYPE B
USB
ST
AT
US USB HOST
ST
AT
US
PORT B
PORT A
COMM
RT
S (PIN 6)
Tx
CTS (PIN 1)
Rx
COMM
RT
S (PIN 6)
Rx
COMM
Tx
COMM
CTS (PIN 1)
(NIC)
ETHERNET
Rx
B
Tx
A
(PIN 8)
COMM
Tx
B
TxEN
TxB (PIN 1)
Rx
A
Tx
A
AUXILIARY
ETHERNET
(NIC)
COMMS PORT
PGM PORT
COMMS PORT
RS232
RS485
RS232
DEVICE
USB
POWER
-
+
USB HOST
PORT A (PGM)
RS232
RS232
PORT B
PORT A
RS485
AUXILIARY
ETHERNET
POWER
CHASSI
S
COMMO
N
+DC VO
LT
AG
E
1
2
3
CONNECTOR
[OPTIONAL]
A
B
ETHERNET
G09 PORT PIN OUTS