Advantech Data Acquisition Modules ADAM 4000 - Manual (Page 285)

Digital I/O and Relay Output
Counter/Frequency Command Set
7-50 ADAM 4000 Series User’s Manual
$AA4S
Name Enable/Disable Digital Filter command
Description Enables or disables the digital filter of the counter/
frequency module.
Syntax $AA4S(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address that you will access to.
4 is the Enable/Disable Filter command.
S is the digital filter mode.
S = 0 means disable filter
S = 1 means enable filter
(cr) is the terminating character, carriage return (0Dh).
Response !AA(cr) if the command is valid.
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.
AA (range 00-FF) represents the 2-character hexadecimal
address of the module.
(cr) is the terminating character, carriage return (0Dh).
Example command: $0340(cr)
response: !03(cr)
The command orders the counter/frequency module at
address 03 to disable its digital filter. The module returns
its address indicating that it has executed the command
successfully.
4080, 4080D