User manual
Planning Your Application Program 
Chapter 6 
$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 hexadeci- 
mal address of the ADAM-5000/TCP 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 ad- dress 
does not exist. 
! delimiter character indicating a valid command was 
received. 
? delimiter character indicating the command was in- 
valid. 
aa (range 00-FF) represents the 2-character hexadeci- 
mal address of an ADAM-5000/TCP system. 
(cr) is the terminating character, carriage return (0Dh) 
Note:  In order to successfully calibrate an analog input module’s in- 
put range, a proper calibration input signal should be connected 
to the analog input module before and during the calibration 
process. 
ADAM-5000/TCP User’s Manual 
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