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IEC 62026-3:2014 specifies an interface system between single or multiple controllers, and control circuit devices or switching elements. The interface system uses two conductor pairs within one cable – one of these pairs provides a differential communication medium and the other pair provides power to the devices. This part establishes requirements for the interoperability of components with such interfaces. This third edition of IEC 62026-3 cancels and replaces the second edition published in 2008. This third edition constitutes a technical revision. The main changes with respect to the previous edition are the followings:
– specification of group 4 messages (5.1.2);
– clarifications on messaging protocol (5.2);
– addition of I/O multicast poll messages (5.5.2 and 5.5.8);
– clarifications on slave behaviour (5.5.4 and 5.5.9);
– clarifications on physical layer (transceiver) in 5.7;
– miscellaneous corrections/clarifications on cable (8.2);
– clarifications on EMC testing (9.2.10) and logical testing (9.3).
Product Details
- Edition:
- 3.0
- Published:
- 08/22/2014
- Number of Pages:
- 269
- File Size:
- 2 files , 4 MB