The Siemens S5 driver exchanges data between OPC clients and Siemens S5 PLCs using the AS511 protocol, which allows a direct connection to the programming port of the PLC. The programming port utilizes a Current Loop connection, requiring the use of either the supplied programming cable or an external RS-232 to Current Loop converter. For more information on wiring and recommendations for Current Loop converters, refer to the product manual. Kepware automatically optimizes data acquisition based on client demand and ensures data integrity through extensive error handling.
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