Documentation for POS PSIM 1.0.1.

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If there is no any pos activity, but connection with POS PSIM is established, it's required to send control package confirming TCP/IP connection. Recommended interval is 30 seconds. Control package is sending with the FunctionNumber=77777 parameter.

Time of data reading in seconds is specified on the site of POS server. System considers that connection with software is lost if none of XML packages was not received during the specified time. In this case connection is closing and establishing again.

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