243 ADAM-4000 Series User Manual
Chapter 7 I/O, Relay & Counter
Frequency
4080, 4080D
7.2.3.8 $AA1H
Name Read Non-isolated High Trigger Level command
Description Read the high trigger level for non-isolated input signals of
a specified counter/frequency module.
Syntax $AA1H(cr)
$ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address that you will access to.
1H is the Read Non-isolated High Trigger 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 high trigger level of non-isolated input signals
The unit and resolution are both 0.1 V (voltage). The
format is a two digit integer that range from 1 to 50 (i.e. 0.1
V to 5 V).
(cr) is the terminating character, carriage return (0Dh).
Example command: $131H(cr)
response: !1330(cr)
The command requests the counter/frequency module at
address 13 to read its non-isolated high trigger level. The
module replies that the high trigger level is 3 V.
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