DLMS communication packages

HDLC layer, Wrapper Layer, APDU encoding and decoding
C++ Version
C# Version
Java Version
A Python version is also available

OBIS Helper

Free tool to encode and decode the OBIS codes

Version 2.0

OBIS Helper dll

The DLMS communication survival kit

Everything you ever wanted to know about the basic COSEM/DLMS communication

The DLMS security basics

Access security and transfer security explained