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)

ADAM-5000

6-53

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Advantech RS-485 user manual Syntax $aaSi3cr