Allen-Bradley MicroLogix 1100

Publication 1763-UM001E-EN-P - June 2015
Communication Connections 81
DF1 Half-Duplex Master-Slave Network
Use the following diagram for DF1 Half-Duplex Master-Slave protocol
without hardware handshaking.
(1) DB-9 RS-232 port
(2) mini-DIN 8 RS-232 port
(3) RS-485 port
(4) Series C or later cables are required for Class I Div 2 applications.
(1)
(1)
(2)
(2)
(3)
(3)
SLC 5/03
processor
MicroLogix 1100
MicroLogix 1100
MicroLogix 1100
CH0
CH0
CH0
CH0
1761-CBL-AP00 or 1761-CBL-PM02
(4)
1761-CBL-AM00 or 1761-CBL-HM02
(4)
DF1
Master
DF1 Slave
DF1 Slave
straight 9-25 pin cable
straight 9-25
pin cable
radio modem
or lease line
radio
modem or
lease line
AIC+
RS-485 DF1 Half-Duplex
RS-485 DF1 Half-Duplex
DF1 Slave
1763-NC01 (daisy chain) to AIC+
(4)
AIC+
24V DC power (User Supplied)
1763-NC01 (daisy chain) to AIC+
(4)