Connecting Cables; 1746-Bas Module Serial Connections - Allen-Bradley Bulletin 1203 Series User Manual

Connecting Cables

This section provides information that you need to connect the cables
to your Serial Communications Module.
Important: When connecting your cables, you should make sure
that the network is properly terminated. You should
also ground the shield at the end furthest from the Serial
Communications Module.

1746-BAS Module Serial Connections

Serial Communications Module to 1746-BAS Module
PRT1, PRT2 RS–232 Mode Port Connection Diagram
Communications Module
9-Pin D-Shell
1
COM
6
N.C.
2
TX
7
N.C.
3
RX
8
N.C.
4
N.C.
9
N.C.
5
COM
Serial Communications Module to 1746-BAS Module
PRT1, PRT2 RS–422 Mode Port Connection Diagram
Communications Module
9-Pin D-Shell
1
COM
6
RXD –
2
RXD +
7
N.C.
3
SHIELD
8
N.C.
4
TXD +
9
TXD –
5
COM
Serial Communications Module to 1746-BAS Module
PRT1, PRT2 RS–485 Mode Port Connection Diagram
Communications Module
9-Pin D-Shell
1
COM
6
N.C.
2
N.C.
7
N.C.
3
SHIELD
8
N.C.
4
TXD/RXD +
9
TXD/RXD –
5
COM
Installation
1746-BAS Module
Port Connection
5
9
4
8
3
7
2
6
1
GND
1746-BAS Module
Port Connection
5
COM
9
4
N.C.
8
3
N.C.
7
2
RXD –
6
1
TXD –
GND
1746-BAS Module
Port Connection
5
9
4
8
3
7
2
6
1
GND
2–13
COM
N.C.
DTR
CTS
TX
RTS
RX
DSR
N.C.
AB0401B
TXD +
N.C.
N.C.
RXD +
AB0402B
COM
TRXD +
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
TRXD –
AB0403B
1203–5.5 September 1995