Advantech Adam 4000 Series User Manual page 238

4080D
7.2.1.9 $AA8
Name
Description Read the LED Data Origin status which determines whether
Syntax
Response
Example
ADAM-4000 Series User Manual
Read LED Data Origin command
LED will display data from either the host computer or the
counter/frequency module directly.
$AA8(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address that you will access to.
8 is the Read LED Data Origin command.
(cr) is the terminating character, carriage return (0Dh)
!AAV(cr) if the command is valid.
?AA(cr) if an invalid operation was entered.
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 which indicates a valid command.
? is a delimiter character which indicates an invalid command.
AA (range 00-FF) represents the 2-character hexadecimal
address of the module.
V indicates the origin of the data to be displayed on the LED:
V=0 sets the LED data origin to the module's counter 0
V=1 sets the LED data origin to the module's counter 1
V=2 sets the LED data origin to the host computer
(cr) is the terminating character, carriage return (0Dh).
command: $018(cr)
response: !011(cr)
The command requests the counter/frequency module at
address 01 to return its LED Data Origin status. The
module replies that it currently displays data from counter 1.
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