United Electric Controls' One Series Safety Transmitter
One Series safety transmitter is the first SIL 2-certified transmitter designed solely for safety system applications. The One Series transmitter 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.