User Manual

5-24 ADAM 4000 Series User’s Manual
4011, 4011D, 4018, 4018+, 4018M, 4019+
$AA3
Name CJC Status command
Description Instructs the addressed analog input module to read its CJC
(Cold Jun ction C ompensation) sensor s and return the
acquired data.
Syntax $AA3(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character he xadecimal
address of the analog input module which contains the CJC
Status you wish to retrieve.
3 is the CJC Status command.
(cr) is the
terminating character, carriage return (0Dh).
Response >data(cr) if the command is valid.
?AA(cr) if an invalid command was issued.
There is no response if the module detects a syntax error or
communication e rror or if the s pecified a ddress does not
exist.
! delimiter character indic ates a valid comm and was
received.
?
delimiter character indicates the command was invalid
AA (range 00-FF) represents the 2-character he xadecimal
address of an analog input module.
(data) i s t he value t hat i s retrieved by t he m odule by
reading its CJC sensor. The data format, in degrees Celsius,
consists an “+ ” or “-” si gn followed by five decimal digits
and a fixed decimal point. The resolution of the data is 0.1
o
C.
(cr) is the terminating character, carriage return (0Dh).
Example com mand: $093(cr)
response: >+0036.8(cr)
The command requests t he analog input module at addr ess
09h to read its CJC sen sor and return the data. The analog
input module at address 09h responds with: 36.8℃.