User Manual
ELECTRICAL CONNECTIONS
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OPTIWAVE 7400-24 C
www.krohne.com12/2015 - 4004901901 - MA OPTIWAVE7400-24 R01 fr
PROFIBUS PA/DP network (non-Ex)
Figure 4-10: PROFIBUS PA/DP network (non-Ex)
1 Field device
2 Bus termination
3 PROFIBUS PA bus segment
4 Segment coupler (PA/DP link)
5 PROFIBUS DP bus line
6 Control system (PLC / Class 1 master device)
7 Engineering or operator workstation (Control tool / Class 2 master device)