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.
Supported Reliance versions
The communication driver is supported in both Reliance 5 and Reliance 4.
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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