Page x Foundation Fieldbus RMA803 Remote Indicator User's Guide Revision 4
Term Definition
URV Upper Range Value
US Universal Station
Vac Volts Alternating Current
Vdc Volts Direct Current
Virtual
Communication
Reference
A defined communication endpoint. Fieldbus
communications can primarily only take place along an
active communications "path" that consists of two VCR
endpoints.
Virtual Field Device A logical grouping of "user layer" functions. Function blocks
are grouped into a VFD, and system and network
management are grouped into a VFD.
For example, to establish communications between a
transducer block and a function block, a VCR must be
defined at the transducer block and a VCR must be defined
at the function block.
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