Serial commands – Rockwell Automation 2755-G6-D Scanner with RS-232 Option User Manual
Page 14

Overview of Scanner
Chapter 2
2–4
Message Format Parameters
Parameters that control the format of messages
transmitted to the host include:
•
Prefix
•
Suffix
•
Scanner Identifier
•
Code Identifier
•
Preamble
•
Postamble
Message Format parameters are enabled or disabled
by scanning bar codes in Chapter 7.
Symbology Parameters
The symbology parameters enable or disable the
types of bar codes the scanner is capable of reading.
The scanner supports the following symbologies:
•
Code 39
•
UPC
•
Interleaved 2 of 5
•
EAN/JAN
•
Standard 2 of 5
•
Code 128
•
Codabar
Symbologies are selected based on the requirements
of the application.
You enable or disable symbologies by scanning bar
codes in Chapter 8.
The scanner also supports a set of serial commands
that can be sent from the host to configure scanner
operations and communications between the scanner
and host device.
The serial commands perform the same functions as
scanning the menus of bar code labels. Chapter 9
covers topics related to serial programming.
Serial
Commands