Fieldbus Control
The DCS revolution started in the mid-1970’s was fundamentally a moving of control system “intelligence” from a centralized location to distributed locations. Rather than have a single computer (or a...
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HART Protocol and Fieldbus Interview Questions
The following are the HART Protocol and Fieldbus Interview Questions listed with answers. HART Protocol and Fieldbus Interview Questions HART Communication Protocol (Highway Addressable Remote Transducer) 1. Define HART. HART is an...
Basics of Foundation Fieldbus
How Fieldbus Works In analog controls systems, instruments produce a 4-20mA output signal that travels all the way from the remote field areas to the control room through marshalling rack, remote I/O...