Fail-safe modules for I/O system
Siemens Simatic fail-safe I/O modules are suitable for many applications, including fire and gas equipment.
Siemens introduced three fail-safe modules for the SIMATICR ET 200iSP intrinsically safe distributed I/O system. The new modules 8F-DI Ex Namur, 4F-DO Ex 40mA/17.4V and 4F-AI Ex HART reportedly meet the high safety requirements in accordance with the relevant standards such as IEC 61508 to SIL 3, ISO 13849-1 to PLe.
The modules are suitable for applications including emergency shutdown (ESD), boiler protection or fire and gas equipment. For fire and gas applications, the modules reportedly offer important Last valid Value and Energize-to-Trip diagnostics functions.
- Edited by Chris Vavra, Control Engineering, www.controleng.com
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Before the calendar turned, 2016 already had the makings of a pivotal year for manufacturing, and for the world.
There were the big events for the year, including the United States as Partner Country at Hannover Messe in April and the 2016 International Manufacturing Technology Show in Chicago in September. There's also the matter of the U.S. presidential elections in November, which promise to shape policy in manufacturing for years to come.
But the year started with global economic turmoil, as a slowdown in Chinese manufacturing triggered a worldwide stock hiccup that sent values plummeting. The continued plunge in world oil prices has resulted in a slowdown in exploration and, by extension, the manufacture of exploration equipment.
Read more: 2015 Salary Survey