Siemens SITRANS F series Operating Instructions Manual page 40

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
38
Multidrop configuration (Daisy chain) in non-hazardous area
Point-to-point configuration in hazardous area
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC