Modbus Holding Registers Tables; Process Values - Siemens SITRANS F series Operating Instructions Manual

A.9

Modbus holding registers tables

In the following the Modbus RTU holding registers available for SITRANS FS430 are
described.
Note
All Write parameters require password access.
Note
In case of error message "Check if the device is set to CT or SIL Operation mode", please
check for the following root causes:
- The device is set to CT mode
- The device is set to SIL mode
- The used Modbus register address is wrong
A.9.1

Process values

Table A- 8 Process values for standard applications
Modbus Data type /
register Size in bytes
3000 Float / 4
3004 Float / 4
3008 Float / 4
3006 Float / 4
3040 Float / 4
3044 Float / 4
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Parameter Description
Volume flow Measured volume flow
Mass flow Measured mass flow
Flow velocity Measured liquid flow
velocity
Sound velocity Measured fluid sound
speed
Density Liquid density
Pressure Process pressure
A.9 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units regis-
ter)
- -
[m³/s]
(7500)
- -
[kg/s]
(7400)
0.0 -
[m/s]
(8014)
1500.0 -
[m/s]
(7684)
0.0 -
[kg/m ]
3
(7600)
- -
[Pa]
(7548)
Modbus communication
Access
level
Read
only
Read
only
Read
only
Read
only
Read
only
Read
only
133