Table 4-7 Busy Response; Table 4-8 Ready Requests - Honeywell UDC2300 Product Manual

4.5 Write Analog Parameters,
"Busy" response
"Ready" request
10/00 RS422/485 ASCII Communications Option Product Manual
If the controller did not process the information, the controller will return
a four-digit status code indicating an error in the third and fourth digit. See
"Status Codes."
Table 4-7 lists the busy response that can be received, with or without
checksum, after a Write request that indicates a good write:
Where:
M = Mode (Hex - see "Message Exchange")
A = Alarm Data (Hex – see "Message Exchange")
CS = Checksum (two digit hex – see "Checksum")
CR = Carriage Return
LF = Line Feed
Table 4-7 "Busy" Response
Format Type
With Checksum 0002MA, CS, CR LF
Without Checksum 0002MA, CR LF
After receiving a "Busy" response, enter a "Ready" request. Table 4-8 lists
the "Ready" request format, with or without checksum.
Table 4-8 Ready Requests
Format Type
With Checksum 03, 4204, 66, 11, 0, CS CR LF
Without Checksum 03, 0204, 66, 11, 0, CR LF
Continued
Format
Format
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