Advantech Data Acquisition Modules ADAM 4000 User Manual page 170

4011, 4011D, 4018, 4018+, 4018M, 4019+
$AA3
Name CJC Status command
Description Instructs the addressed analog input module to read its CJC
(Cold Junction Compensation) sensors and return the
acquired data.
Syntax $AA3(cr)
$
AA
address of the analog input module which contains the CJC
Status you wish to retrieve.
3
(cr)
Response >data(cr)
?AA(cr)
There is no response if the module detects a syntax error or
communication error or if the specified address does not
exist.
!
received.
?
AA
address of an analog input module.
(data)
reading its CJC sensor. The data format, in degrees Celsius,
consists an "+" or "-" sign followed by five decimal digits
and a fixed decimal point. The resolution of the data is 0.1
o
(cr)
Example command: $093(cr)
response:
The command requests the analog input module at address
09h to read its CJC sensor and return the data. The analog
input module at address 09h responds with: 36.8℃.
5-24
ADAM 4000 Series User's Manual
is a delimiter character.
(range 00-FF) represents the 2-character hexadecimal
is the CJC Status command.
is the terminating character, carriage return (0Dh).
if the command is valid.
if an invalid command was issued.
delimiter character indicates a valid command was
delimiter character indicates the command was invalid
(range 00-FF) represents the 2-character hexadecimal
is the value that is retrieved by the module by
C.
is the terminating character, carriage return (0Dh).
>+0036.8(cr)