221 ADAM-4000 Series User Manual
Chapter 7 I/O, Relay & Counter
Frequency
4080, 4080D
7.2.1.6 $AAB
Name Read Input Mode command
Description Read the input mode of the specified counter/frequency module.
Syntax $AAB(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address that you will access to.
B is the Read Input Mode command.
(cr) is the terminating character, carriage return (0Dh).
Response ! AAS(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.
S indicates the input signal mode. When S = 0, the module
is configured to non-isolated (TTL) input. If S = 1, the
module is configured to photo-isolated input.
(cr) is the terminating character, carriage return (0Dh).
Example command: $03B(cr)
response: !030(cr)
The command requests the counter/frequency module at
address 03 to return its input mode. The module replies by
setting the input mode to retrieve non-isolated input.
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