Rockwell-automation 1203 Serial Communications Module Series A Manual de usuario Pagina 29

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