Siemens SITRANS F Coriolis FCT030 Function Manual page 52

MODBUS commands
4.10 Modbus holding registers tables
Modbus Data type /
register Size in bytes
8521 Unsigned / 2
8522 Unsigned / 2
8976 Unsigned / 2
52
Parameter Description
Totalizer 3 units Units for
volume
quantities
of totalizer
3 (totalizer
3 is config‐
ured to vol‐
ume flow).
Totalizer 3 units Units for
standard
volume
quantities
of totalizer
3 (totalizer
3 is config‐
ured to
standard
volume
flow).
Pulse width Units of
units CH2 pulse dura‐
tion values
of CH2 in
pulse
mode.
Default value Value range /
[units] Setting options
(units register)
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))
171
● 166: Nm³ (normal cubic meters)
● 167: Nl (normal liters)
● 168: Sft³ (standard cubic feet)
● 171: Sl (standard liters)
● 172: Sm³ (standard cubic meters)
51
● 51: s (seconds)
Function Manual, 06/2018, A5E39931813-AB
Access
level
Read /
write
Read /
write
Read /
write
FCT030 Modbus (From firmware 4.0)