AMiT ARION Communication Protocol

Supported device types and versions
Communication line configuration
Communication station configuration
I/O tag configuration
Changes and modifications
Document revisions

Supported device types and versions


The protocol carries out communication with the remote I/O tag modules of the AMiT company. Communication was tested with the AMiT DINAI24 module.

Communication line configuration


  • Communication line category: Serial.

Communication station configuration


  • Communication protocol "AMiT ARION".
  • Station address: 0-255 specified as a decimal number or as a hexadecimal number with a hash at the beginning (e.g. #0A).

Communication station parameters

Station configuration - „Protocol Parameters" field.
They influence some optional protocol parameters. You can define the following communication station parameters:

Table 1

Keyword

Full name

Description

Unit

Default value

WFT
Wait First TimeoutFirst waiting for a response after sending the request.ms100 ms.
WT
Wait TimeoutThe delay between individual readings the response until its completion.ms100 ms.
MWR
Max Wait RetryThe number of repeats of response reading until its completion.-5

String with protocol parameters is written according to the following rule:

Key_word=value;Key_word=value; ...

Example:

WT=100;MWR=20;

If a keyword with valid value has not been found in the initial string, the default value is used according to Table 1.

I/O tag configuration


Possible I/O tag types: Ai.

I/O tag addresses: 0-255 specified as a decimal number or as a hexadecimal number with a hash at the beginning (e.g. #0A).

Changes and modifications


-

Document revisions


Ver. 1.0 - October 29th, 2002 - a document created

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