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ALYA Gina communication protocol

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

Supported device types and versions


This protocol is used to read the weighted values from scales produced by ALYA Poprad. It can be used only when a single scale is connected to a line since it does not contain addressing of the scale.
For communication with more scales, the ALYA SPOOL protocol may be used.

Communication line configuration


Note: to get the communication started with a specific device, the DTR and RTS signals had to be set to ON, therefore the SerialOverUDP Device Redundant communication line together with a MOXA NPort-5110 serial server set to the UDP mode could not be used (the UDP mode does not support the setting of DTR and RTS signals to a fixed value). Instead, the MOXA NPort-5110 serial server had to be switched to a Real COM mode and a Serial line had to be configured.

Communication station configuration


  • Communication protocol: Alya Gina
  • The station address is unimportant.


Station protocol parameters

Communication station - configuration dialog box - "Protocol parameters" tab.
They influence some of the optional parameters of the protocol.

Table 1

KeywordFull nameMeaningUnitDefault value
WT
Wait TimeoutDelay between the readings of response until it is completed.ms100 millisec.
WFT
Wait First TimeoutFirst waiting on a response after sending the request.ms100 millisec.
MWR
Max Wait RetryThe number of response reading retry until it is completed.-6
RC
Retry CountThe number of request retries if a communication error occurs.-2

I/O tag configuration


Possible I/O tag types: AI

Addresses of I/O tags:

  • NET - net weight of the load
  • TARA - tare - the weight of the packaging

Note: If a scale sends a message, which means that the platform is not stabilized yet, the NET and TARA I/O tags will have invalid values.

Literature


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Changes and modifications


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Document revisions


  • Ver. 1.0 – July 8, 2015 – creating a document

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