Chapter 4 Command Set 4-193
4080, 4080D
Chapter 4
$AA0H
Name: Read Minimum Input Signal Width at High Level.
Description: Read the minimum input signal width at high level for a
specified counter/frequency module.
Syntax: $AA0H(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.
0H identifies the Read Minimum Input Signal Width at High
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 commu-
nication error, or if the specified address does not exist.
! 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 input module.
(data) is the minimum width at high level. The unit is µsec
(microseconds) 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: $130H(cr)
response: !1300020(cr)
The command requests the counter/frequency module at
address 13 to read its minimum input signal width at high
level. The addressed module replies that its minimum input
signal width at high level is 20 µsec.
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