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Advantech Data Acquisition Modules ADAM 4000 User Manual

Page 270

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Chapter

7


7-35 ADAM 4000 Series User’s Manual

$AAB

Name

Read Input Mode command

Description

Read the input mode of the specified counter/frequency
module.

Syntax

$AAB(cr)

$

is a delimiter character.

AA

(range 00-FF) represents the 2-character hexadecimal

address that you will access to.

B

is the Read Input Mode command.

(cr)

is the terminating character, carriage return (0Dh).

Response

!AAS(cr)

if the command is valid.

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.

AA

(range 00-FF) represents the 2-character hexadecimal

address of the module.

S

indicates the input signal mode. When S = 0, the module

is configured to non-isolated (TTL) input. If S = 1, the
module is configured to photo-isolated input.

(cr)

is the terminating character, carriage return (0Dh).

Example

command: $03B(cr)
response: !030(cr)

The command requests the counter/frequency module at
address 03 to return its input mode. The module replies by
setting the input mode to retrieve non-isolated input.

4080, 4080D