Siemens SITRANS FST030 - Page 150

Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
8014 Unsigned / 2 Flow velocity
units
Units for
flow veloci‐
ty values.
21
● 20: ft/s (feet per second)
● 21: m/s (meters per second)
● 114: in/s (inches per second)
● 115: in/min (inches per minute)
● 116: ft/min (feet per minute)
● 120: m/h (meters per hour)
● 253: custom units (see Custom
velocity units string (8494) / factor
(8492))
Read /
write
7648 Unsigned / 2 Sound velocity
units
Units for
sound ve‐
locity val‐
ues.
21
● 20: ft/s (feet per second)
● 21: m/s (meters per second)
● 114: in/s (inches per second)
● 115: in/min (inches per minute)
● 116: ft/min (feet per minute)
● 120: m/h (meters per hour)
● 253: custom units (see Custom
velocity units string (8494) / factor
(8492))
Read /
write
7600 Unsigned / 2 Density units Units for
density val‐
ues.
92
● 91: g/cm³ (grams per cubic)
centimeters
● 92: kg/m³ (kilograms per cubic
meter)
● 93: lb/gal (pounds per US gallon)
● 94: lb/ft³ (pounds per cubic foot)
● 95: g/ml (grams per mililiter)
● 96: kg/l (kilograms per liter)
● 97: g/l (grams per liter)
● 98: lb/in³ (pounds per cubic inch)
● 99: STon/yd³ (1 STon = 2000 lb)
● 146: μg/l (micrograms per liter)
● 147: μg/m³ (micrograms per cubic
meter)
● 170: mg/l (milligrams per liter)
● 253: custom units (see Custom
density units string (8464) / factor
(8462))
Read /
write
7524 Unsigned / 2 Viscosity units Units for
viscosity
values.
54
● 54: cSt (centistokes, 1 cSt = 1
mm²/s)
Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
150 Operating Instructions, 08/2018, A5E37367739-AD