CIP Safety on SERCOS Specification

A new specification – CIP Safety on SERCOS, which is being released as a function-specific profile (FSP Safety) for Industrial Ethernet-based SERCOS III, will bring users of SERCOS III a standard network-spanning safety protocol. SERCOS International specified the extensions, which will be included in Edition 2.2. of the CIP Safety specification of the Open DeviceNet Vendors Association (ODVA) and will be published in the IEC 61784-3 international safety standard.

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The specification provides for safe data transmission over SERCOS III to Safety Integrity Level 3 (SIL) according to IEC 61508. The protocol uses the SERCOS Messaging Protocol (SMP), for representation of the CIP data and services on configured, cyclic data containers in the SERCOS telegram. A safety network can stretch across several diverse communication networks such as DeviceNet, Ethernet/IP, SERCOS III, and so forth. According to the specification, the safe data container embedded in the SERCOS frame can contain between 2 and 250 Bytes of safe user data.

SERCOS International
www.sercos.com