192
8.
SERIAL PROG COMMANDS
Data Field Usage
When a query is used in place of the Data field, the query applies only to the
specific command identified by the Tag and SubTag fields.
Concatenation of Multiple Commands
Multiple commands can be issued within one Prefix/Storage sequence.
Only the Tag, SubTag, and Data fields must be repeated for each command in
the sequence.
If additional commands are to be applied to the same Tag, then the new
command sequence is separated with a comma (,) and only the SubTag and
Data fields of the additional command are issued. If the additional command
requires a different Tag field, the command is separated from previous
commands by a semicolon (;).
Responses
The device responds to serial commands with one of three responses:
ACK Indicates a good command which has been processed.
ENQ Indicates an invalid Tag or SubTag command.
NAK Indicates the command was good, but the Data field entry was
out of the allowable range for this Tag and SubTag combination, e.g., an
entry for a minimum message length of 100 when the field will only
accept 2 characters.
When responding, the device echoes back the command sequence with the
status character inserted directly before each of the punctuation marks (the
period, exclamation point, comma, or semicolon) in the command.
Examples of Query Commands
In the following examples, a bracketed notation [ ] depicts a non-displayable response.
Example
: What is the range of possible values for Codabar Coding Enable?
Enter: cbrena*.
Response:
CBRENA0-1[ACK]
This response indicates that Codabar Coding Enable (CBRENA) has a range of
values from 0 to 1 (off and on).
Example
: What is the default value for Codabar Coding Enable?
Enter: cbrena^.
Response:
CBRENA1[ACK]
This response indicates that the default setting for Codabar Coding Enable (CBRENA) is 1, or
on.
Содержание CM-2D002
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Страница 230: ...230 Appendix A Reference Charts...
Страница 233: ...233 Appendix A Reference Charts...
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