Advantech RS-485 user manual Zero Calibration

Command Set		5017/5018 Analog Input
$aaSi1		$aaSi1
Name	Zero Calibration
Description	Calibrates a specified analog input module to correct for
	offset errors
Syntax	$aaSi1(cr)
	$ is a delimiter character.
	aa (range 00-FF) represents the 2-character hexadecimal
	address of the ADAM-5000 system which is to be
	calibrated.
	Si identifies the I/O slot which is to be calibrated.
	1 represents the zero calibration command.
	(cr) is the terminating character, carriage return (0Dh)
Response	!aa(cr) if the command is valid.
	?aa(cr) if an invalid operation was entered.

There is no response if the module detects a syntax error or communication error or if the specified address does not exist.

! delimiter character indicating a valid command was received.

? delimiter character indicating the command was invalid.

aa (range 00-FF) represents the 2-character hexadecimal address of an ADAM-5000 system.

(cr) is the terminating character, carriage return (0Dh)

Note: In order to successfully calibrate an analog input module's input range, a proper calibration input signal should be connected to the analog input module before and during the calibration process. (See also Chapter 4, Section 4.5 on Calibration)

6-52 ADAM-5000