Programming Guide

CHUMP Reference Guide
14
Command Format
CHUMP commands are typically one- or two-character
commands with applicable parameters. As described in Chapter
1, these commands and replies are enclosed in framing
characters. Refer to the following example for the format:
<Msg head> Command [<Parameter>] <Msg tail>
NOTE: Command parameters and numeric data are typically
expressed in hexadecimal (hex) format.
Refer to the Command Description section for syntax, format,
and parameter usage.
Reader Management Commands
Reader management commands control reader configuration,
input/output ports, and display the software version. These
commands are not tag or protocol dependent. The Reader
Management commands are shown in the following table with
the CHUMP software version where the command was first
implemented.
Cmd Description Rev
Cr Configuration read 1.30
Cw Configuration write 1.30
Ro Read digital I/O port 1.30
Rv Read version 1.20
Wo Write digital I/O port 1.20