Chapter 6

$aaSiCj

Name Read One Channel Counter (Frequency) Data Description The command will return the input value from one of the

 

four channels of a specified module.

Syntax

#aaSiCj(cr)

 

# is a delimiter character.

 

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

 

address of the ADAM-5000 system you want to

 

interrogate.

 

Si identifies the I/O slot you want to interrogate.

 

Cj identifies the channel you want to read.

 

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

Response

>(data) 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.

 

> is a delimiter character.

 

? delimiter character indicating the command was

 

invalid.

(data) is the input value in engineering units of the interrogated module of the specified system. If the numbers of (data) are ten, counter/frequency mode is in decimal format. If the numbers of (data) are eight

,counter/frequency mode is in hexadecimal format. If (data) = “ ”, it means the channel is invalid.

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

ADAM-5000

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Advantech 5000 Series user manual $aaSiCj