Advantech Data Acquisition Modules ADAM 4000 User Manual

Page 288

Advertising
background image

Chapter

7


7-53 ADAM 4000 Series User’s Manual

$AA0H

Name

Read Minimum Input Signal Width at High Level
command

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 that you will access to.

0H

is 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
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 high level. The unit is in

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 module replies that its minimum input signal
width at high level is 20

μsec.




4080, 4080D

Advertising