Advantech Data Acquisition Modules ADAM 4000 Manual de usuario descargar pdf (Pagina 204)

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101

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ADAM 4000 Series User’s Manual

4011, 4011D, 4012, 4016

@AARL

Name Read Low Alarm Limit command

Description The addressed module is asked to return its Low alarm limit

value.

Syntax @AARL(cr)

is a delimiter character.

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

address of an analog input module.

is the Read Low Alarm Limit command.

(cr)

represents terminating character, carriage return (0Dh).

Response !AA(data)(cr)

if the command was valid.

There is no response if the module detects a syntax error or

communication error or if the specified address does not

exist.

delimiter character indicates a valid command was

received.

represents the 2-character hexadecimal address of the

responding analog input module.

(data) is the value of the Low alarm limit in engineering

units.

(cr)

represents terminating character,

carriage return (0Dh).

Example command:

@05RL(cr)

response:

!05-0.3750(cr)

Presume the analog input module at address 05h is

configured to accept 1 V input. The command instructs the

module to return it Low alarm limit value. The module

responds its Low alarm limit value is -0.3750 V.

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