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| Publisher | Faculty Notes |
| Author: | Panel Of Experts |
| Number of Pages | 38 |
| Available | Available in all digital devices |
Introduction 1.0 WHAT IS FOUNDATION FIELDBUS
The H1 fieldbus retains and optimizes the desirable features of the 4-20 milliampere mA analog system such as
TM
FOUNDATION fieldbus is an open, integrated total architecture for information integration. TM
single loop integrity FOUNDATION fieldbus is an all-digital, serial, two-way communication system. H1 31.25 kbit s interconnects field equipment such as sensors, actuators and I O. HSE 100 Mbit s High Speed Ethernet provides integration of high speed controllers such as PLCs , H1 subsystems via a linking device , data servers and workstations. FOUNDATION fieldbus is the only protocol with the built-in capability to distribute the control application across the network Figure 1 .
a standardized physical interface to the wire bus-powered devices on a single wire pair intrinsic safety options In addition, FOUNDATION fieldbus enables increased capabilities due to full digital communications reduced wiring and wire terminations due to multiple devices on one wire
Management Information Systems MIS , Enterprise Resource Planning ERP , and Human Machine Interface HMI packages access the fieldbus information via the data services Figure 2 .
increased selection of suppliers due to interoperability reduced loading on control room equipment due to distribution of control and input output functions to field devices connection to the HSE backbone for larger systems
1.1 H1 Benefits Data Service
H1
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