Technical Data; Power; Modbus Interface - Siemens SITRANS F series Operating Instructions Manual

Technical data

Note
Device specifications
Siemens makes every attempt to ensure the accuracy of these specifications but reserves
the right to change them at any time.
10.1

Power

Table 10- 1
Description
Supply voltage
Power consumption
Environmental conditions:
Reverse polarity protection (y / n)
Galvanic isolation
10.2

Modbus interface

Table 10- 2
Description
Protocol version
Default transmission rate
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Power supply
Modbus communication
Specification
100 to 240 V AC, 47 to 63 Hz
•
20 to 27 V DC
•
20W / 22VA
•
Transient over voltages up to the levels of
•
overvoltage category II
Temporary over voltages occurring on mains
•
supply only
POLLUTION DEGREE 2.
•
MAINS supply voltage fluctuations up to ±10
•
% of the nominal voltage.
Altitude up to 2 000 m
•
Y
2500 V AC
Specification
Modbus RTU
19200 bit/s
10
115