Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module - Manual (Page 10)

Publication 1747-UM005B-EN-P - March 2006
2 Preface
Related Documentation
The following documents contain additional information regarding
Rockwell Automation products.
Related Documentation
If you would like a manual, you can:
• download a free electronic version from the Internet at
www.literature.rockwellautomation.com.
• purchase a printed manual by contacting your local distributor
or Rockwell Automation representative.
Terms and Abbreviations The following terms and abbreviations are specific to this product. For
a complete listing of Allen-Bradley terminology, refer to the
Allen-Bradley Industrial Automation Glossary, publication AG-7.1.
ASCII Terminal - an industrial terminal, workstation, or personal
computer with terminal mode software (such as PBASE or Windows
HyperTerminal) that communicates in alphanumeric mode.
Backplane - a printed circuit board, at the back of a chassis, that
provides electrical interconnection between the modules inserted into
the chassis.
DF1 - a serial communication protocol capable of
delimiting-messages, controlling message flow, detecting and
signalling errors, and retrying after errors are detected. See half- and
full-duplex.
DH-485 Link - Data Highway-485 link. An Allen-Bradley token-passing
baseband link for a local area network based on the RS-485 standard.
Full-duplex - a mode of operation for a point-to-point link with two
physical circuits, in which messages or transmission blocks can be
sent in both directions at the same time.
For Read This Document Document
Number
A guide to understanding and selecting SLC 500 products SLC 500 System Selection Guide 1747-SG001
A description on how to install and use your modular SLC 500
programmable controller User Manual for Modular Hardware Style
Programmable Controllers 1747-UM011
A reference manual that contains status file data, instruction set, and
troubleshooting information SLC 500 Instruction Set Reference Manual 1747-RM001
A glossary of industrial automation terms and abbreviations Allen-Bradley Industrial Automation Glossary AG-7.1