Siemens SITRANS F Series, Руководство по эксплуатации, Страница: 151 / 362

Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
149
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
8520 Unsigned / 2 Totalizer 3 units Units for
mass quan-
tities of
totalizer 3
(totalizer 3
is config-
ured 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
8522 Unsigned / 2 Totalizer 3 units Units for
standard
volume
quantities
of totalizer
3 (totalizer
3 is config-
ured to
standard
volume
flow).
171
•
166: Nm³ (normal cubic meters)
•
167: Nl (normal liters)
•
168: Sft³ (standard cubic feet)
•
171: Sl (standard liters)
•
172: Sm³ (standard cubic me-
ters)
Read /
write
8976 Unsigned / 2 Pulse width
units CH2
Units of
pulse dura-
tion values
of CH2 in
pulse
mode.
51
•
51: s (seconds)
Read /
write