Chapter 6

 

 

$aaSi9shhhh

$aaSi9shhhh

Name

CJC Zero Calibration (ADAM-5018 only)

Description

Calibrates an analog input module to adjust for offset

 

errors of its CJC (Cold Junction Compensation) sensor

Syntax

$aaSi9shhhh(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.

 

 

9 is CJC Status command.

 

 

s sign, + or -, indicates whether to increase or decrease

 

the CJC offset value.

 

 

hhhh is a four character hexadecimal “count” value.

 

Each count equals approximately 0.009°C. The value can

 

range from 0000 to FFFF.

 

 

(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 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.

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

ADAM-5000

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Advantech RS-485 user manual Syntax $aaSi9shhhhcr