Chapter 4 Command Set 4-197
4080, 4080D
Chapter 4
$AA1H
Name: Read Non-isolated High Trigger Level.
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 of counter/frequency module that you want to interro-
gate.
1H identifies the Read Non-isolated High Trigger Level
(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 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/frequency 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 can 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
addressed module replies that the high trigger level is 3 V.
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