User manual
Planning Your Application Program 
$aa2 
Name  Configuration Status 
Chapter 6 
Description  Returns the configuration status for a specified sys- 
tem module. 
Syntax $aa2(cr) 
$ is a delimiter character. 
aa (range 00-FF) represents the 2-character hexadeci- 
mal Modbus network address of the ADAM-5000/ 
TCP system you want to interrogate. 
2 is the Configuration Status command. 
(cr) is the terminating character, carriage return (0Dh). 
Response !aaccff(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, communication error or if the specified address 
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. 
cc represents the baud rate code. 
ff is a hexadecimal number that equals the 8-bit pa- 
rameter representing checksum status. The sixth bit 
represents  the  checksum  status;  1  means  
enabled while 0 means disabled. The other bits are 
not used and are set to 0. 
(cr) is the terminating character, carriage return (0Dh). 
(See also the %aannccff configuration command) 
ADAM-5000/TCP User’s Manual 
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