Advantech RS-485 Manual de usuario descargar pdf (Pagina 175)

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101

ADAM-5000 6-53

Chapter 6

$aaSi3 $aaSi3

Name CJC Status Command (ADAM-5018 only)

Description Returns the value of the CJC (Cold Junction Compensa-

tion) sensor for a specified analog input module

Syntax $aaSi3(cr)

$ is a delimiter character.

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

address of the ADAM-5000 system.

Si identifies the I/O slot which contains the CJC Status

you wish to retrieve.

3 is CJC Status command.

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

Response >(data)(cr) if the command is valid.

?aa(cr) if an invalid operation was entered.

There is no response if the module detects a syntax error

or communication error or if the specified address does

not exist.

>delimiter character indicating a valid command was

received.

? delimiter character indicating the command was

invalid.

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

address of an ADAM-5000 system.

(data) is the value that is retrieved by the module by

reading its CJC sensor. The data format, in degrees

Celsius, consists of a “+” or “-” sign followed by five

decimal digits and a fixed decimal point. The resolution

of the data is 0.1°C.

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

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