A-6 | Thermox Series 2000 WDG-IV /I VC / IVCM
Responses
An analyzer returns a variety of responses that can be broken into two
categories, success and failure.
Success
All successful responses start with A. If there is data returned, it will fol-
low the
A and have a checksum after it. All responses end with a carriage
return ( ).
Success
A
End
Success
A
Data
(n characters)
Checksum
(2 hex ASCII characters)
End Character
Examples:
A
Simple acknowledge
AFF0050
Acknowledge with data
Failure
All failure responses start with a N followed by a two hex digit failure code
and a carriage return ( ).
Failure
N
Failure Code
(2 hex ASCII characters)
End Character
Failure Code Description
01
Bad command letter
02
Bad checksum
03
Input overrun in serial communication
05
Parameter out of range
08
Error in receipt of character
09
Cannot calibrate/verify now
0A
Internal error
0B
Illegal access (read-only variable)