Specifications

Network Architecture
IM/265/7/9/ADD/FF-EN_01 Connection to FOUNDATION Fieldbus 17
6 Network Architecture
A simple generic FOUNDATION
TM
Fieldbus system is represented in Fig. 3. The H1 segment is
applicable in Ex and non Ex area. The network can be designed following three different
topologies as shown in the Fig. 4 below or can be applied as a mix of the three.
M00505
Controll er
Control System
Network
IEC 1158-2 w ith 31.25 Kbits/sec
?
x
H1
Ter mination
IS BarrierTermination
Pressure Tx
Fig. 3: Simple FOUNDATION Fieldbus system
Important
The controller in this Figure acts also as power supply.