Siemens SITRANS F series Operating Instructions Manual page 145

Modbus Data type /
register Size in bytes
7964 Unsigned / 2
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Parameter Description Default value
Standard vol- Units for
ume flow units standard
volume
flow values.
A.9 Modbus holding registers tables
Value range /
[units] Setting options
(units regis-
ter)
188
121: Nm³/h (normal cubic meters
•
per hour)
122: Nl/h (normal liters per hour)
•
123: Sft³/min (standard cubic feet
•
per minute)
174: Nl/d (normal liters per day)
•
175: Nl/min (normal liters per
•
minute)
176: Nl/s (normal liters per sec-
•
ond)
177: Sl/d (standard liters per day)
•
178: Sl/h (standard liters per
•
hour)
179: Sl/min (standard liters per
•
minute)
180: Sl/s (standard liters per
•
second)
181: Nm³/d (normal cubic meters
•
per day)
182: Nm³/min (normal cubic
•
meters per minute)
183: Nm³/s (normal cubic meters
•
per second)
184: Sft³/d (standard cubic feet
•
per day)
185: Sft³/h (standard cubic feet
•
per hour)
186: Sft³/s (standard cubic feet
•
per second)
187: Sm³/d (standard cubic me-
•
ters per day)
188: Sm³/h (standard cubic me-
•
ters per hour)
189: Sm³/min (standard cubic
•
meters per minute)
190: Sm³/s (standard cubic me-
ters per second)
253: custom units (see Custom
•
standard volume flow units string
(7518) / factor (7516))
Modbus communication
Access
level
Read /
write
143