Siemens SITRANS F series Operating Instructions Manual page 144

Modbus communication
A.9 Modbus holding registers tables
Modbus Data type /
register Size in bytes
7400 Unsigned / 2
142
Parameter Description Default value
Mass flow units Units for
mass flow
values.
Value range /
[units] Setting options
(units regis-
ter)
75
70: g/s (grams per second)
•
71: g/min (grams per min)
•
72: g/h (grams per hour)
•
73: kg/s (kilograms per second)
•
74: kg/min (kilograms per mi-
•
nute)
75: kg/h (kilograms per hour)
•
76: kg/d (kilograms per day)
•
77: t/min (1 t = 1000 kg)
•
78: t/h (1 t = 1000 kg)
•
79: t/d (1 t = 1000 kg)
•
80: lb/s (pounds per second)
•
81: lb/min (pounds per minute)
•
82: lb/h (pounds per hour)
•
83: lb/d (pounds per day)
•
84: STon/min (1 STon = 2000 lb)
•
85: STon/h (1 STon = 2000 lb)
•
86: STon/d (1 STon = 2000 lb)
•
87: T/h (1 T = 2240 lb)
•
88: T/d (1 T = 2240 lb)
•
253: custom units (see Custom
•
mass flow units string (8458) /
factor (8456))
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Access
level
Read /
write