Transmitter for safety system applications
March 20, 2015
United Electric Controls has introduced the One Series Safety Transmitter for safety system applications. Unlike costly, complicated process transmitters that must be adapted for safety use, the One Series is engineered to offer simple setup and fast, safer and affordable performance. The new One Series Safety Transmitter is available in versions that monitor temperature and pressure. It provides 4-20 mA NAMUR standard output with exclusive “I Am Working” diagnostics. A unique, high-speed safety relay output is incorporated for local alarm or emergency shutdown. Discrete outputs deliver diagnostics and relay status voting logic input to the safety PLC to determine appropriate action. The transmitter is certified for use in SIL 2 safety instrumented systems, and is capable of SIL 3, per IEC 61508. It has configurable self-diagnostics and achieves a safe failure fraction of 98.8%. Instrument response time is <100 milliseconds.
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