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An APG RST-4100 Programming Module can be used in tandem with APG Modbus software to program
a single MPXI-F6/7 series sensor. Through APG Modbus, you can configure the 4 mA and 20 mA output
setpoints and calibration settings. If your monitoring equipment (PLC, etc.) can be configured to interpret
the 4-20 mA output(s) of the MPXI-F as volume, then the MPXI-F can be configured accordingly via APG
Modbus. See MPXI-F6 and F7 Modbus Register Lists on pages 24 and 25.
However, the RST-4100 is not designed to be used for continuous monitoring of a sensor. After
programming your MPXI-F sensor, the RST-4100 must be removed and the wiring returned to normal. See
4-20 mA Loop Wiring and 4-20 mA Programming Wiring on page 9.
• 4-20 mA Programming with RST-4100 and APG Modbus Software
• Modbus Register Lists for MPXI-F8
Input Registers (0x04)
Register
Returned Data
30299
Model Type
30300
Raw Top Float Reading (in mm, unsigned)
30301
Raw Bottom Float Reading (in mm, unsigned)
30302
Temperature Reading (in
0
C, signed)
30303-30304
Calculated Top Float Reading (in selected Units)
30305-30306
Calculated Bottom Float Reading (in selected Units)
30307
Version
30308
API 18.2 TEMP (in
0
C, signed)
NOTE
: The Calculated Readings will be returned without a decimal place. In order to
obtain the true result, the Decimal Place setting must be taken into account.
NOTE
: Contact factory to read individual temperature sensor registers.