XENTRA 4900 communication protocol

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

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typy_verzie typy_verzie

Supported device types and versions

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Communication supports reading data from Servomex XENTRA 4900 devices.

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komunikacna_linka komunikacna_linka

Communication line configuration

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Required communication line parameters:

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Other parameters, see the topic Communication line - configuration dialog box.

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komunikacna_stanica komunikacna_stanica

Communication station configuration

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• Communication protocol: Servomex XENTRA.
• Station address is not used (one XENTRA device is being connected on the line)

Station protocol parameters

The following station protocol parameters can be defined:

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If there is used a keyword with an invalid value in the initialization string, there will be used corresponding default value according the table 1.

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merany_bod merany_bod

I/O tag configuration

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Possible I/O tag types: Ai (Analog Input) or TiA (Absolute Time Input).

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TiA type: there can be configured only one I/O tag of TiA type - the index (address) of 0. The I/O tag get the time and date from the items of the indexes of 1 and 2. In the example above - it is the value of 16:15:32 14-07-1997.

I/O tag value time

Times of new values of I/O tags can be:

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One of the options is being defined by means of the station protocol parameter XT (see the table 1).

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Literature

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Changes and modification

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revizie revizie

Document revisions

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• Ver. 1.2 – February 8th, 2000 – update of 4.07 and 4.10 versions
• Ver. 1.3 - April 12th, 2002 - the protocol parameters SC added

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