Allen-Bradley SLC 500

B–15RS-232 Communication Interface
Publication 1747-6.2
2760-RB to a SLC 5/03, SLC 5/04, or SLC 5/05 Processor , IBM AT,
1770-KF3, 1775-KA, 1773-KA, 5130-RM, or PLC-5 (Hardware
Handshaking Disabled)
➀
DCD 1
3
2
7
8
6
5
4
8
2
3
4
5
6
7
20
RXD
TXD
DTR
COM
DSR
RTS
CTS
1
3
4
5
6
7
20
2
TXD
RXD
RTS
CTS
DSR
COM
DTR
25 Pin
2760–RB
(DTE) (DTE)
GND
9 Pin 25 Pin
Perihpheral
1
GND
➁
➁
➁
➁
➂
➂
Device
➀
You can also use cable 1747-CP3.
➁
Jumpers are only needed if you cannot disable the hardware handshaking on the port.
➂
Connect the shield of the cable to the GND pin on one end only . Leave the other end open.
1771-KGM to a Modem (Hardware Handshaking Enabled)
TXD 3
2
7
8
6
5
1
4
2
3
4
5
6
7
8
20
RXD
RTS
CTS
DSR
COM
DCD
DTR
1
3
4
5
6
7
8
2
TXD
RXD
RTS
CTS
DSR
COM
DCD
15 Pin
1771–KGM
(DTE)
(DCE)
22
GND
9 Pin 25 Pin
Modem
1
GND
RI 9
1 1
DTR
➀
➀
➀
Connect the shield of the cable to the GND pin on one end only . Leave the other end open.
AB PLCs