Allen-Bradley MicroLogix 1000

Reference
Understanding the Communication Protocols
D–1
D Understanding the Communication
Protocols
Use the information in this appendix to understand the differences in
communication protocols. The following protocols are supported from the RS-232
communication channel:
• DF1 Full-Duplex and DF1 Half-Duplex Slave
All MicroLogix 1000 controllers support the DF1 full-duplex protocol. Series
D or later discrete and all MicroLogix 1000 analog controllers also support DF1
half-duplex slave protocol.
• DH-485
Series C or later discrete and all MicroLogix 1000 analog controllers can
communicate on DH-485 networks using an AIC+ Advanced Interface
Converter.
For information about required network connecting equipment, see chapter 3,
Connecting the System.
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