PXF series self-adaptive PID controller

The self-adjusting PID controller PXF series simplifies the system temperature control. With its self-adjusting PID function, it automates temperature management in industrial processes. This saves energy and reduces production rejects by eliminating temperature fluctuations.


PXF series self-adaptive PID controller

Benefits of the new generation of PXF series PID controllers


Features of PID PXF temperature controllers

superior versability and flexibility for a wide range of applications

Superior versatility and flexibility for a wide range of applications

  • The largest color LCD display on the market
  • High speed sampling : 50 ms
  • Fast processing : 100 ms
  • Universal input
  • Most compact class : 58 mm depth
  • Multidrop master function (option)
  • Modbus communication

The new PXF range of controllers is available in 3 standard formats:

  • PXF4 (48×48 mm)
  • PXF5 (48×96 mm)
  • PXF9 (96×96 mm)

Large number of input/output signals :

a wide choice of input/output signals

Numerous choices of PID or TOR control methods:


Advanced temperature control functions

on/off regulation schematic

ON/OFF control

When the measured temperature value (PV) falls below the set value (SV), the output of temperature controller is activated and the heating element switches on.

When the measured value exceeds the temperature setpoint, the controller output is deactivated and the heating element switches off.

In this way, the output of the digital controller is activated intermittently according to the setpoint, to maintain a constant temperature.

This method of temperature control is called "On/Off control".

PID control with auto-tuning function

The PID parameters of temperature controller are automatically set by the automatic calculation functions.

This temperature controller offers 2 versions of auto-tuning:

The standard version (auto-tuning where the reference is the setpoint)
The "no overshoot" version (auto-tuning where the reference is 10% below the setpoint).

auto adjust pid schematic

Fuzzy logic control with auto-tuning

Thanks to fuzzy logic control, PXF temperature controllers improve response to external disturbances. By continuously monitoring the measured value,
PXF temperature controllers eliminate overshoots without altering the start-up time. In other words, external disturbances can be quickly resolved.

Comparison between fuzzy logic control and conventional control:

fuzzy logic control with auto-tuning

PXF PID controller application examples

regulation of a plastic injection molding machine

Temperature control of a plastic molding machine

The auto-adaptive function of the temperature controller auto-adaptive function can be controlled externally.

energy savings on a livestock farm

Energy savings on a livestock farm with Fuji Electric PXF controller

  • Process heating and cooling are controlled by a single temperature controller using two control outputs.
  • Power consumption during machine operation can be limited by using an inverter to control the fan motor.
application example

Opt for intelligent automation and energy savings with the PXF series PID controller!