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SIL3 certification for this diagnostic controller

By Chemical Engineering |

Bifold Fluidpower

Bifold Fluidpower

The partial-stroke function of the EHPC210 diagnostic controller (photo) is now certified to Safety Integrity Level (SIL) 3 according to IEC 61508: 2010 Parts 1–7. The EHPC210 is a smart controller solution operating a single solenoid for partial-stroke testing in pneumatic and hydraulic valve actuation. It is designed to meet the basic requirements to perform a partial-stroke test and to record the results. The controller can interface with a valve switchbox, or has the added benefit of integral position feedback. The EHPC210 can be retrofitted onto existing systems to allow partial-stroke testing to be performed. The controller incorporates graphically displayed rotary feedback measurement, low power modes and emergency shutdown (ESD) monitoring and control. The enclosure assembly allows installation in Zone 1 or Zone 2 hazardous areas. The controller features HART and Modbus communication, as well as fully configurable control logic, allowing hard-wired interface to a local control panel or a user’s control system. — Bifold Fluidpower Ltd., Greater Manchester, U.K.

www.bifold.co.uk

 

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