IEC 62026-3 Ed. 3.0 b:2014

Current Revision
Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 3: DeviceNet

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Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 3: DeviceNet

PUBLISH DATE 2014
PAGES 274

Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 3: DeviceNet

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).
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