Communication Connections; Supported Communication Protocols - Allen-Bradley MicroLogix 1100 User Manual
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- User manuals (30 pages) ,
- Instruction set reference manual (616 pages)
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Supported Communication
Protocols
71
Communication Connections
This chapter describes how to communicate with your control system. The
method you use and cabling required to connect your controller depends on
what type of system you are employing. This chapter also describes how the
controller establishes communication with the appropriate network. Topics
include:
• supported communication protocols
• default communication configurations
• using communications toggle functionality
• connecting to RS-232 port
• connecting to DH-485 network
• connecting to AIC+
• connecting to Ethernet
The MicroLogix 1100 controllers provide two communication channels, an
isolated RS-232/485 communication port (Channel 0) and an Ethernet port
(Channel 1).
MicroLogix 1100 controllers support the following communication protocols
from the primary RS-232/485 communication channel, Channel 0:
• DH-485
• DF1 Full-Duplex
• DF1 Half-Duplex Master and Slave
• DF1 Radio Modem
• Modbus Master and Slave
• ASCII
The Ethernet communication channel, Channel 1, allows your controller to be
connected to a local area network for various devices providing 10 Mbps/100
Mbps transfer rate. MicroLogix 1100 controllers support CIP explicit
messaging (message exchange). MicroLogix 1100 controllers do not support
Ethernet I/O master capability through CIP implicit messaging (real-time I/O
messaging).
For more information on MicroLogix 1100 communications, refer to the
MicroLogix 1100 Programmable Controllers Instruction Set Reference
Manual, publication 1763-RM001.
Chapter
Publication 1763-UM001E-EN-P - June 2015
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