The modules—8F-DI Ex Namur, 4F-DO Ex 40mA/17.4V and 4F-AI Ex HART—are 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 “last valid value” and “energize-to-trip.”
Siemens Industry Inc.
www.usa.siemens.com
800.879.8079