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Advantech Data Acquisition Modules ADAM 4000 User Manual

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Chapter

7


7-49 ADAM 4000 Series User’s Manual

7.2.3 Digital Filter and Programmable Threshold Command Set

Command Syntax

Command Name

Description

I/O Module

$AA4S Enable/Disable

Digital Filter

Enables or disables the digital
filter of the addressed
counter/frequency module

4080,
4080D

$AA4

Read Filter Status

The addressed counter

frequency module returns the
status of its digital filter

4080,

4080D

$AA0H(data) Set

Minimum

Input Signal Width
at High Level

Sets the minimum input signal
width at high level for a
specified counter/frequency
module

4080,
4080D

$AA0H Read

Minimum

Input Signal Width
at High Level

Reads the minimum input signal
width setting at high level for a
specified counter/frequency
module

4080,
4080D

$AA0L(data) Set

Minimum

Input Signal Width

at Low Level

Sets the minimum input signal
width at low level for a specified

counter/frequency module

4080,
4080D

$AA0L Read

Minimum

Input Signal Width
at Low Level

Reads minimum input signal
width setting at low level for a
specified counter/frequency
module

4080,
4080D

$AA1H(data) Set

Non-isolated

High Trigger Level

Sets the high trigger level of
non-solated input signals for a
specified counter/frequency
module

4080D

$AA1H Read

Non-isolated

High Trigger Level

Requests the addressed counter
requency module to return the
high trigger level for non-isolated
input signals

4080D

$AA1L(data) Set

Non-isolated

Low Trigger Level

Sets the low trigger level of
non-solated input signals for a
specified counter/frequency
module

4080D

$AA1L Read

Non-isolated

Low Trigger Level

Requests the addressed ounter/
frequency module to return the
low trigger level for non-isolated
input signals

4080D