Fuji PXR4 Temperature Controller

by Fuji Electric


Fuji PXR4 temperature controllers are the latest additions to Fuji Electric's trusted line of process and temperature controllers. The PXR4 is a 1/16 DIN (48mm x 48mm) is our most popular controller. It is compact, easy to use and with a large and bright LED display.

In addition to auto-tuning and fuzzy control, Fuji PXR4 temperature controllers now come with self-tuning - an innovation in the control field. Self-tuning automatically re-tunes the controller under certain conditions, without the need to revert to auto-tuning.


PXR4 Temperature Controllers


  • Competitive price
  • Delivery Ex-stock for most variations
  • Input types, thermocouple, RTD, 1-5Vdc and 4-20mA
  • Output types, relay contact, SSR/SSC and 4-20mA
  • On/off control, PID with auto-tune & Fuzzy control as standard
  • Fuzzy control eliminates overshoot & reduces external disturbance
  • Sixteen types of alarm with one or two relay contact outputs
  • Setpoint ramping, dual PID heating/cooling and heater break alarm
  • Power supply 24Vdc, 24Vac or 100-240Vac
  • Weatherproof front panel IP66

PXR4 Temperature Controller

PXR4 size:
1/16 DIN (48mm x 48mm)



Simple operation

The PXR4 accepts any probe type as an input (thermocouple, RTD, 1-5Vdc and 4-20mA need to be specified prior to delivery) and can control any type of device with 6 types of output available (relay contact, SSR/SSC,  1-5V 0-10V and 4-20mA).

It is simple enough to be used for basic "ON/OFF" applications with minimum set-up thanks to the auto-tuning feature.

The Fuji PXR temperature controller accepts process and temperature inputs and offers a choice of three kinds of outputs to meet a wide variety of needs in the process industries. Single or dual outputs include relay, SSR driver, or 4-20mA.

16-step profile

The Fuji PXR4 temperature controller's standard 8-segment ramp/soak feature has been expanded to include two patterns that can be linked to create a 16-step profile.

16 step profile PXR4


Large display

One of the most impressive features of these Fuji PXR4 temperature controllers is the large LED display. The faceplate, designed for NEMA 4X (IP66 equivalent) is watertight and corrosion-resistant. The easy-to-use 3-button keypad allows for programming similar to the popular Fuji PXZ, PXV and PXW controllers. The screw-terminal on the back further reduces the cost by eliminating the need for sockets.

Remote monitoring

Remote monitoring of up to 31 Fuji PXR temperature controllers at a time is possible with the RS485 option that uses the industry-standard Modbus ™ protocol. The communications option comes with our free Windows®-based software, PXR-LITE ™. The software allows you to program the Fuji PXR4 controller from the PC and view real-time data and trend graph while logging the data on to a text file.

PXR4 Network

Tools for OEM customers

A powerful tool for the OEM customer is the Program Loader option with Windows®-based software. Programs for different applications can be saved to and from the Fuji temperature PXR4 controller. This can now be supplied free of charge with the purchase of the PXR-Conf-232 configuration cable.



11pin din rail Are you looking to replace your old Fuji Controller? The PXR4 is available socket type (8 pin or 11pin) and is fit and function identical or improved. Advise your old part number, we supply a new replacement, plug it: it works.

Our most popular models are PXR4TAY1 1V000 and PXR4 TAS1 1V000
Not the size you are looking for? Have a look at the Fuji PXR3 (48 x 24mm), Fuji PXR5 (48 x 96mm) or Fuji PXR9 (96 x 96mm)



PXR series Colour Brochure and Datasheets (1364 KB)
PXR Socket Type Datasheet (165 KB)
Fuji Electric PXR4 conf 232 (307 KB)

PXR Sales Brochures


PXR series Colour Brochure and Datasheets (1364 KB)
PXR3 (1/32 DIN) Brochure (402 KB)
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