Siemens SITRANS F Series Operating Instructions Manual page 157

Modbus Data type /
register Size in bytes
9294 Unsigned / 2
9476 Unsigned / 2
9493 Unsigned / 2
9492 Unsigned / 2
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD
Parameter Description
Standard vol‐ Units for
ume units CH3 standard
volume
quantities
related to
CH3.
Pulse width Units of
units CH4 pulse dura‐
tion values
of CH4 in
pulse
mode.
Volume units Units for
CH4 volume
quantities
related to
CH4 if in
pulse
mode.
Mass units CH4 Units for
mass quan‐
tities rela‐
ted to CH4
if in pulse
mode.
A.9 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units register)
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)
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))
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))
Modbus communication
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
157