Advantech Data Acquisition Modules ADAM 4000 Uživatelský manuál stáhnout pdf (Strana 272)

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Chapter 7

ADAM 4000 Series User’s Manual

$AA8V

Name Select LED Data Origin command

Description Select whether LED will display data from either the host

computer or the counter/frequency module directly.

Syntax $AA8V(cr)

$ is a delimiter character.

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

address that you will access to.

8 is the Select LED Data Origin command.

V indicates the origin of the data which is to be displayed

on the LED:

V=0 sets the LED data origin to the module's counter 0

V=1 sets the LED data origin to the module's counter 1

V=2 sets the LED data origin to the host computer

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

Response !AA(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.

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

Example command: $0182(cr)

response: !01(cr)

The command sets the counter/frequency modules at

address 01 to display data sent by the host computer. After

this command has been issued, the host computer can use

command $AA9(data) to send the data to the module.

4080D

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