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Chapter 7
7-
55
ADAM 4000 Series User’s Manual
$AA0L
Name Read Minimum Input Signal Width at Low Level command
Description Read the minimum input signal width at low level for a
specified counter/frequency module to filter noise.
Syntax $AA0L(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address that you will access to.
0L is the Read Minimum Input Signal Width at Low Level
command.
(cr) is the terminating character, carriage return (0Dh).
Response !AA(data)(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.
(data) is the minimum width at low level. The unit is in
μsec (microsecond) and its resolution is 1 μsec. The format
is a five digit integer that ranges from 2 μsec to 65535 μsec.
(cr) is the terminating character, carriage return (0Dh).
Example command: $050L(cr)
response: !0500084(cr)
The command requests the counter/frequency module at
address 05 to read its minimum input signal width at low
level. The module replies that its minimum input signal
width at low level is 84 μsec.
4080, 4080D