Modbus communication
B.3 Modbus holding registers tables
Modbus ad‐
Data type /
dress
Size [bytes]
144
Parameter
Description
Default value
Value range
[unit]
134: barrels
(= 42 US gal‐
lons) per hour
135: barrels
(= 42 US gal‐
lons) per day
136: US gal‐
lons per hour
137: imperial
gallons per
second
138: liters per
hour
170: beer bar‐
rel per second
171: beer bar‐
rel per minute
172: beer bar‐
rel per hour
173: beer bar‐
rel per day
235: US gal‐
lons per day
253: custom
volume flow
unit
Operating Instructions, 01/2019, A5E44036384-AB
Access
level
SITRANS FC310