Advantech RS-485 Bedienungsanleitung PDF herunterladen (Seite 251)

100

101

ADAM-5000 6-129

Chapter 6

#aaSiCj #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 exists.

> 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 hexdecimal format.If

(data) = “ ”, it means the channel is invalid.

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

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