Cable Connections; Rs485/Rs422/Rs232 Connection Examples - Allen-Bradley 1203-GD2 User Manual

Cable Connections

RS485/RS422/RS232 Connection Examples

Figure 3.4
1746-BAS Module Serial Connections
Communications Module to 1746-BAS Module
PRT1, PRT2 RS232 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
Communications Module to 1746-BAS Module
PRT1, PRT2 RS422 Mode Port Connection Diagram
Communications Module
9-Pin D-Shell
1
COM
6
RXD
2
RXD
7
N.C.
Shield
3
SHIELD
8
N.C.
4
TXD
9
TXD
5
COM
Cut Shield and Insulate
Communications Module to 1746-BAS Module
PRT1, PRT2 RS485 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
Cut Shield and Insulate
Chapter 3
Installation
1746-BAS Module
Port Connection
5
9
4
8
3
7
2
6
1
1746-BAS Module
Port Connection
5
9
4
8
3
7
2
6
1
1746-BAS Module
Port Connection
5
9
4
8
Shield
3
7
2
6
1
COM
N.C.
DTR
CTS
TX
RTS
RX
DSR
N.C.
AB0401B
COM
TXD
N.C.
N.C.
N.C.
N.C.
RXD
RXD
TXD
AB0402B
COM
TRXD
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
TRXD
AB0403B
3-13