DLMS Communication Driver (DLMS stands for Device Language Message Specification) is intended for reading data from telemetry systems communicating via this protocol.
The communication driver is a DLL loaded into memory by the Reliance 4 Driver Server program, which can be launched either as a Windows service at Windows startup or as a standard application at the start of a visualization project. Information required to make a connection with devices is read from the visualization project. After reading this information, communication to all connected devices is activated.
The driver reads data defined by the so-called OBIS codes from a device's objects. The objects are defined according to the COSEM object model.
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