Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
141
Modbus
register
Data type /
Size in bytes
Parameter
Description Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
7500
Unsigned / 2 Volume flow
units
Units for
volume
flow values.
19
•
15: ft³/min (cubic feet per minute)
•
16: gal/min (US gallons per mi-
nute)
•
17: l/min (liters per minute)
•
18: i.gal/min (Imperial gallons per
minute)
•
19: m³/h (cubic meters per hour)
•
22: gal/s (US gallons per second)
•
23: Mgal/d (million US gallons
per day)
•
24: l/s (liters per second)
•
25: Ml/d (million liters per day)
•
26: ft³/s (cubic feet per second)
•
27: ft³/d (cubic feet per day)
•
28: m³/s (cubic meters per sec-
ond)
•
29: m³/d (cubic meters per day)
•
30: i.gal/h (Imperial gallons per
hour)
•
31: i.gal/d (Imperial gallons per
day)
•
130: ft³/h (cubic feet per hour)
•
131: m³/min (cubic meters per
minute)
•
132: BBL42/s (1 barrel = 42 US
gallons)
•
133: BBL42/min (1 barrel = 42
US gallons)
•
134: BBL42/h (1 barrel = 42 US
gallons
•
135: BBL42/d (1 barrel = 42 US
gallons
•
136: gal/h (US gallons per hour)
•
137: i.gal/s (Imperial gallons per
second)
•
138: l/h (liters per hour)
•
170: BBL31/s (1 barrel = 31 US
gallons
•
171: BBL31/min (1 barrel = 31
US gallons)
•
172: BBL31/h (1 barrel = 31 US
gallons
•
173: beer barrel per day
•
235: gal/d (US gallons per day)
•
253: custom units (see Custom
volume flow units string (8470) /
factor (8468))
Read /
write