Allen-Bradley SLC 500 - Page 214

Publication 1747-UM011G-EN-P - June 2008
214 RS-232 Communication Interface
Personal Computer to SLC 5/03, SLC 5/04, or SLC 5/05 Processor, 1770-KF3
Module, or PLC-5 Processor (Hardware Handshaking Disabled)
(1)
(1) You can also use the 1747-CP3 cable.
(2) Jumpers are only needed if you cannot disable the hardware handshaking on the port.
(3) Connect to the shield of the cable.
SLC 5/03, SLC 5/04, or SLC 5/05 Processor Connected to a Modem
(Hardware Handshaking Enabled)
(1) Connect to the shield of the cable.
1
3
2
4
5
6
7
8
8
2
3
20
7
6
4
5
1
1
3
3
4
5
6
7
8
9
8
2
DCD
TXD
DTR
COM
DSR
RTS
CTS
RI
RXD
DCD
TXD
DTR
COM
DSR
RTS
CTS
GND
RXD
2
20
7
6
4
5
22
(2)
(2)
(2)
(3)
(2)
25-Pin 9-Pin
PC
Modem 9-Pin 25-Pin
DTE
DCE
1
(1)
2
3
4
5
6
7
8
922
8
3
2
20
7
6
4
5
1
1
3
4
5
6
7
8
9
2
DCD
TXD
DTR
COM
DSR
RTS
CTS
NC
RXD
DCD
GND
TXD
DTR
COM
DSR
RTS
CTS
RI
RXD
9-Pin
SLC
5/03
Modem 9-Pin 25-Pin
DTE DCE