Advantech ADAM 4100, User Manual, Page: 54 / 155

Command Set
4-14 ADAM 4100 Series User’s Manual
4.4.4
$AA0
Name
Span Calibration
Description
Calibrates an analog input module to correct gain errors.
Syntax
$AA0(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of the analog input module
0 represents the span calibration command.
(cr) is the terminating character, carriage return (0Dh).
Response
!AA(cr) if the command was valid.
?AA(cr) if an invalid operation was entered.
There is no response if the module detects a syntax or
communication error, or even if the specified address does
not exist.
! is a delimiter character indicating that a valid command
was received.
? is a delimiter character indicating that the command was
invalid.
AA (range 00-FF) represents the 2-character hexadecimal
address of the analog input module.
(cr) represents terminating character, carriage return (0Dh).
In order to successfully calibrate an analog input module’s input range, a
proper calibrating input signal should be connected to the analog input
module before and during the calibration.
NOTICE: An analog input module requires a maximum of 7 seconds to
perform auto calibration and ranging after it has received a Span
Calibration command. During this interval, the module can not be
addressed to perform any other actions.