Intrinsically Safe Modules with Diagnostics
The modulesâ8F-DI Ex Namur, 4F-DO Ex 40mA/17.4V and 4F-AI Ex HARTâare suitable for applications including emergency shutdown, boiler protection, and protection of fire and gas equipment. For fire and gas applications, the modules have the important diagnostics functions such as âlast valid valueâ and âenergize-to-trip.â
Siemens Industry Inc.
www.usa.siemens.com
800.879.8079

