Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 158)

11–4 Configuration: Host Message Format
Publication 2755-833
Example 3: If a No-Read occurs, the decoder transmits:
End Message Characters
Package Count
End of Package Double Delimiter
No-Read Message
Header Message
Field Delimiter
#L7–AData From Scanner A ” NO-READ ” ” 000015CRLF
Start Character
Source Identifier
Note: Message packages can consist of both bar code strings and
no-read strings.
The parameters listed below include those used to control the
message format of bar code data that is sent to the host. Each
parameter is defined below. The options for each parameter are
summarized in a table, and explained more fully in the text. Where
appropriate, the default setting for each parameter is displayed in
bold letters in the table.
Start Character
Field Type Options
Edit Numeric
ASCII Numeric
(1 – 255)
255 = None
Defines the three digit decimal ASCII starting character for every bar
code message sent to the host. The default is None or 255, which
indicates no start character.
Source Identifier for AUX, A, and B
Field Type Options
Edit Text
Any ASCII Character
String
(4 chars max)
Blank
Defines a 1 to 4 character identifier to include in each message sent
to the host. The string identifies the source device for the data
contained in the message. The default for each field is Blank, which
means a source identifier is not defined. Example source identifiers
are SCNA, SCNB, and AUX.
Host Message Parameters