Chapter 4 Command Set 4-161
4050, 4052, 4053, 4060, 4051, 4055, 4068
Chapter 4
$AA2
Name Configuration Status command
Description Returns the configuration parameters of the addressed
digital I/O module.
Syntax $AA2(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of the digital I/O module to be interrogated.
2 is Configuration Status command.
(cr) is the terminating character, carriage return (0Dh).
This command requests the return of the configuration data
from the digital I/O module at address AA.
Response !AATTCCFF(cr) if the command is valid.
?AA(cr) if an invalid command has been issued.
There is no response if the module detects a syntax error or
communication error or if the specified address does not exists.
!
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 a digital I/O module.
TT represents the type code, which is always 40.
CC represents the baud rate code. (See next page, Table 4-6).
FF is a hexadecimal number that equals the 8-bit parameter that
represents checksum status and module identification. Bits 3
through 5 and bit 7are not used and are being set to 0. (See
figure 4-4 on the next page.)
(cr) is the terminating character, carriage return (ODh)
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