Siemens SITRANS FST030 - Page 152

Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
8556 Unsigned / 2 Length units Units for
length val‐
ues.
45
● 44: ft (feet)
● 45: m (meters)
● 47: in (inches)
● 48: cm (centimeters)
● 49: mm (millimeters)
Read /
write
8564 Unsigned / 2 Acceleration
units
Units for ac‐
celeration
values.
172
● 171: ft/s² (feet per second
squared)
● 172: m/s² (meters per second
squared)
Read /
write
8321 Unsigned / 2 Totalizer 1 units Units for
volume
quantities
of totalizer
1 (totalizer
1 is config‐
ured to vol‐
ume flow).
41
● 40: US gallons
● 41: l (liters)
● 42: i.gal (Imperial gallons)
● 43: m³ (cubic meters)
● 46: BBL42 (1 barrel = 42 US
gallons)
● 110: bush (bushels)
● 111: yd³ (cubic yards)
● 112: ft³ (cubic feet)
● 113: in³ (cubic inches)
● 124: BBL31.5 (1 barrel = 31.5 US
gallons)
● 170: BBL31 (1 barrel = 31 US
gallons)
● 236: hl (hectoliters)
● 253: custom units (see Custom
volume units string (8452) / factor
(8450))
Read /
write
8320 Unsigned / 2 Totalizer 1 units Units for
mass quan‐
tities of to‐
talizer 1 (to‐
talizer 1 is
configured
to mass
flow).
61
● 60: g (grams)
● 61: kg (kilograms)
● 62: t (1 t = 1000 kg)
● 63: lb (pounds)
● 64: STon (1 STon = 2000 lb)
● 65: T (1 T = 2240 lb)
● 125: oz (ounces)
● 253: custom units (see Custom
mass units string (8476) / factor
(8474))
Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
152 Operating Instructions, 08/2018, A5E37367739-AD