Supported device types and versions
Communication line configuration
Communication station configuration
I/O tag configuration
Changes and modifications
Document revisions
The protocol carries out communication with the remote I/O tag modules of the AMiT company. Communication was tested with the AMiT DINAI24 module.
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 |
Wait First Timeout | First waiting for a response after sending the request. | ms | 100 ms. | |
Wait Timeout | The delay between individual readings the response until its completion. | ms | 100 ms. | |
Max Wait Retry | The 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.
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).
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Ver. 1.0 - October 29th, 2002 - a document created