Exida certifies Siemens safety system communications

Jan. 6, 2010

Sellersville, PA -- Exida, a supplier of functional safety and security services, engineering tools and certifications, has certified Siemens Industry, Inc.’s QUADLOG Fail Safe Communication Gateway Function Blocks as suitable for use in SIL 3-capable applications per the international functional safety standard, IEC 61508.

Siemens recently added the specialized function blocks to its 4-mation configuration software. The function blocks permit the configuration of IEC61508-certified safety-critical communications between two QUADLOG controllers via an Ethernet network using the Industrial Ethernet Module (IEM).