Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
328
Operating Instructions, 08/2017, A5E37367739-AC
A.9.10.2
Process values
Simulate process values
Table A- 134 Channel 2 output current
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
2700
Unsigned / 4 Enable simula-
tion
Defines enabling or
disabling simulation of
multiple process values
at a time.
0
Set bit means enabling:
•
Bit 0: Density
•
Bit 1: Medium tem-
perature
•
Bit 2: Pressure
•
Bit 3: Viscosity
•
Bit 4: Xdcr tempera-
ture
•
Bit 5: AUX tempera-
ture
•
Bit 6: Concentration
•
Bit 7: Base viscosity
•
Bit 8: Base density
•
Bit 9: Liquident
•
Bit 10: API gravity
•
Bit 11: Base API
gravity
•
Bit 12: Specific gravi-
ty
•
Bit 13: Base specific
gravity
•
Bit 14: Rate of
change
•
Bit 15: Standardizing
factor
•
Bit 16: Mass flow
•
Bit 17: Standard
volume flow
•
Bit 18: Volume flow
•
Bit 19: Sound velocity
•
Bit 20: Flow velocity
•
Bit 21: Liquid identifi-
er
Read /
write
2702
Float / 4
Density
Process density simu-
lation value
1000.0
[kg/m
3
]
(7600)
0.08 - 10000.0
Read /
write