Status Codes; Table 3-6 Request Message Status Codes - Honeywell UDC2300 Product Manual

3.6

Status Codes

Request message
status codes
10/00 RS422/485 ASCII Communications Option Product Manual
The codes, listed in Table 3-6, indicate whether or not the request message
was successfully processed. A suggested recovery procedure is listed for
those that indicate an error.
Table 3-6 Request Message Status Codes
Request
Message
Status Code
00 The request message was
successfully processed.
01 Request message format
invalid.
02 Request is invalid. The
controller addressed does not
support the requested
operation.
04 Checksum indicated in the
request message differs from
the checksum the UDC
calculated. Or UDC has
detected incorrect parity for
character transmitted in
request.
Explanation
Not applicable.
Check format of request
message. Re-send message.
Check parameter identifying
code and value.
Check checksum calculations.
Re-send message.
Suggested Recovery
25