Documentation issue statusVersionModifications2.9Update chapter “Product description”Update chapter “Diagnosis”Update chapter “Firmware compatibility”2.8Update chapter “Introduction”Update structure2.7Update chapter Technical DataUpdate structure2.6CU1521-0020 addedUpdate chapter “Commissioning”Update structure2.5Update chapter “Commissioning”Update structure2.4Update chapter “Notes on converters with RJ45 fiber-optic connection”Update structure2.3Update chapter “Commissioning”Update Technical DataUpdate structure2.2Update Technical DataUpdate structure2.1Update Technical DataUpdate structure2.0Migration1.2Update chapter "Technical data"1.1Update chapter "Application notes"1.0Addenda and 1st public issue0.3Addenda0.2Addenda0.1Preliminary version