Advantech Data Acquisition Modules ADAM 4000 Manuel d'utilisateur télécharger pdf (Page 213)

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Chapter 5

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ADAM 4000 Series User’s Manual

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$AAA

Name Zero Calibration command

Description Stores the voltage output value of the addressed strain

gauge input module as zero voltage reference.

Syntax $AAA(cr)

$ is a delimiter character.

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

address of the strain gauge input module whose output

channel is to be calibrated.

A is the Zero Calibration command.

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

Response !AA(cr) if the command is valid.

?AA(cr) if an invalid command was issued.

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.

? delimiter character indicates the command was invalid.

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

address of the strain gauge input module.

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

Before issuing the Zero Calibration command, the analog

output should be trimmed to the correct value with the

Trim Calibration command. A voltmeter should be

connected to the module’s output channel. (See also the

strain gauge input module’s Trim Calibration command

and Chapter 8, Calibration, for a detailed description.)

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Advantech Data Acquisition Modules ADAM 4000 Manuel d'utilisateur Page 213

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