4-182 ADAM 4000 Series User's Manual
4080, 4080D
Command Set
$AA3N(data)
Name Set Maximum Counter Value
Description Set the maximum value of counter 0 or counter 1 for a specified
counter/frequency module.
Syntax $AA3N(data)(cr)
$ is a delimiter character.
AA(range 00-FF) represents the 2-character hexadecimal
address of the counter/frequency module that you want to
interrogate.
3 identifies the Set Maximum Counter Value command
N determines the counter for which the maximum counter value
is to be set.
N = 0 represents counter 0
N = 1 represents counter 1
(data) is the maximum count value which consists of eight
hexadecimal digits. The addressed module will accumulate the
input counts until it reaches the maximum value. When count-
ing exceeds the maximum counter value, the counter will stop
counting. The programmer should use the command $AA6N to
reset the counter to 1.
(cr) is the terminating character, carriage return (0Dh)
Response !AA(cr) if the command is valid.
?AA(cr) if an invalid operation was entered.
There is no response if the module detects a syntax error or
communication error or if the specified address does not exists.
! is a delimiter character indicating the command was valid.
? is a delimiter character indicating the command was invalid.
AA (range 00-FF) represents the 2-character hexadecimal
address of a counter input module.
(cr) is the terminating character, carriage return (0Dh).
Example command: $24300000ffff(cr)
response: !24(cr)
The command requests the counter/frequency module at
address 24 to set the maximum counter value for counter 0 to
65535 (0x0000ffff). The module replies that it has executed the
command.
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