ALLEN BRADLEY 1747-L551 PLC Processor

B–10 RS-232 Communication Interface
Pin Assignments for Wiring Connectors
Use the following pin assignments to wire the connectors of
Allen-Bradley control devices with modems and peripheral devices
that support RS-232 communication. See the table below to find the
wiring diagram that you need.
See this
To Connect this Device To this Device Remarks
Page
Modem Hardware Handshaking Enabled B–11
IBM AT
Peripheral DTE Hardware Handshaking Disabled B–11
SLC 5/03, SLC 5/04, and
SLC 5/05 Poc Processorso
1747-KE
1746-BAS
Modem Hardware Handshaking Enabled B–11
Peripheral DTE Hardware Handshaking Disabled B–12
IBM AT Using a 1747-CP3 Cable B–12
Modem Hardware Handshaking Enabled B–12
Peripheral DTE Hardware Handshaking Disabled B–13
Modem Hardware Handshaking Enabled B–13
Peripheral DTE Hardware Handshaking Disabled B–14
1770-KF3 Modem Hardware Handshaking Enabled B–14
2760-RB
1771-KGM (PLC-2)
1775-KA (PLC-3)
PLC-5 (channel 0)
5130-RM (PLC-5/250)
Modem Hardware Handshaking Enabled B–14
Peripheral DTE Hardware Handshaking Disabled B–15
Modem Hardware Handshaking Enabled B–15
Peripheral DTE Hardware Handshaking Disabled B–16
Modem Hardware Handshaking Enabled B–16
Peripheral DTE Hardware Handshaking Disabled B–17
Modem Hardware Handshaking Enabled B–17
Peripheral DTE Hardware Handshaking Disabled B–18
Modem Hardware Handshaking Enabled B–18
Peripheral DTE Hardware Handshaking Disabled B–19
Publication 1747-6.2