Siemens SITRANS F Series Operating Instructions Manual page 36

Connecting
5.4 Integrating the FST030 with Modbus system
Figure 5-4
Hazardous areas
The following figures show examples of installations in point-to-point and multidrop
configurations in hazardous areas.
Figure 5-5
36
Multidrop configuration (Daisy chain) in non-hazardous area
Point-to-point configuration in hazardous area
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD