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ODVA publishes the CIP Safety spec

01 March, 2005

ODVA - formerly the Open DeviceNet Vendors` Association - has published its CIP Safety specification, which defines safety extensions to the Common Industrial Protocol (CIP) that is the basis for the DeviceNet, ControlNet and EtherNet/IP networks. ODVA says that CIP Safety is unique among safety networks in incorporating the safety functionality in its end nodes, allowing users to combine standard and safety devices on a single CIP network.

The specification is the culmination of an initiative that started in 2002 and has been led by Omron, Rockwell Automation and Erwin Sick. ODVA members plan to release the first DeviceNet products supporting CIP Safety by the middle of this year under the DeviceNet Safety banner. These devices will provide failsafe communications between nodes such as safety I/O blocks, interlock switches, light curtains and PLCs.

"The user benefits of deploying CIP Safety will be significant," predicts ODVA chief executive, Katherine Voss. "CIP Safety expands the application coverage of CIP Networks to include functional safety and, in doing so, will allow users to implement safety systems with a unified CIP network architecture that can increase productivity and improve plant safety at the same time".

The next step in ODVA`s safety initiative will be to extend CIP Safety to EtherNet/IP.

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