Advantech RS-485 Bedienungsanleitung PDF herunterladen (Seite 177)

100

101

ADAM-5000 6-55

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)

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