Allen-Bradley SLC 500 - Page 216

Publication 1747-UM011G-EN-P - June 2008
216 RS-232 Communication Interface
1747-KE Module to a Modem (Hardware Handshaking Enabled)
(1) Connect to the shield of the cable.
1747-KE Module to a SLC 5/03, SLC 5/04, or SLC 5/05 Processor, Personal
Computer, 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.
6
2
3
4
5
1
7
8
9 22
6
3
2
20
7
8
4
5
1
1
3
4
5
6
7
8
9
2
(1)
NC
TXD
DTR
COM
DSR
RTS
CTS
NC
RXD
DSR
TXD
DTR
COM
DCR
RTS
CTS
RI
GND
RXD
9-Pin 1747-KE
Peripheral
Device
9-Pin 25-Pin
DTE DCE
1
3
2
4
5
6
7
8
8
2
3
20
7
6
4
5
1
3
4
5
6
7
8
9
2
1
(2)
(2)
(2)
(2)
(3)
NC
TXD
DTR
COM
DSR
RTS
CTS
NC
RXD
GND
TXD
RXD
DTR
COM
DSR
RTS
CTS
DCD
9-Pin 1747-KE
Peripheral
Device
9-Pin 25-Pin
DTE
DTE