Command Set
4-
38
ADAM 4100 Series User’s Manual
4.6.3
$AA6
Name Digital Data In
Description This command requests that the specified (AA) module
returns the status of its digital input channels and returns a
feedback value of its digital output channels.
Syntax $AA6(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of the digital I/O module.
6 is the Digital Data In command.
(cr) is the terminating character, carriage return (0Dh).
Response !(dataOutput)(dataInput)00(cr)
if the command was valid. (ADAM-4150)
!(dataOutput)0000(cr)
if the command was valid. (ADAM-4168)
?AA(cr) if an invalid command has been issued.
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 responding 2-character
hexadecimal address of the digital I/O module.
(dataOutput) two-character hexadecimal value which either
is the feedback of a digital output channel or a relay.
(dataInput) two-character hexadecimal value representing
the input values of the digital I/O module.
(cr) is the terminating character, carriage return (0Dh).
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