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PID temperature controller

Precisely control the temperature of your processes with Fuji Electric PID temperature controllers. Compact, fast, and easy to configure, they ensure precise control...

Precisely control the temperature of your processes with Fuji Electric PID temperature controllers. Compact, fast, and easy to configure, they ensure stable heating and cooling control, even as production conditions change.From single-loop PID controllers designed for compact machines to modular multi-loop systems, our product line meets the needs of industrial furnaces, drying ovens, packaging machines, plastics processing equipment, thermal systems, and continuous processes.

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PID temperature controller - PXR3
Ref: PXR3
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depending on configuration
255,00 €
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PID temperature controller - PXE4
Ref: PXE4
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depending on configuration
146,00 €
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PID temperature controller - PXF4 series
Ref: PXF4
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depending on configuration
246,00 €
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PID temperature controller - PXF4 DIN series
Ref: PXF4-DIN
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depending on configuration
226,00 €
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PID temperature controller - PXF4 VM series
Ref: PXF4VM
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depending on configuration
419,00 €
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PID temperature controller - PXF5 series
Ref: PXF5
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depending on configuration
287,00 €
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PID temperature controller - PXF5VM series
Ref: PXF5VM
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depending on configuration
570,00 €
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PID temperature controller - PXF9 series
Ref: PXF9
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depending on configuration
332,00 €
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PID temperature controller - PXF9VM series
Ref: PXF9VM
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depending on configuration
681,00 €
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Temperature controller - PXH9 series
Ref: PXH9
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depending on configuration
2020,00 €
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Multifunction controller - PSC100 series - 2 loops
Ref: PSC100
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3001,00 €
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Multifunction controller - PSC200 series - 2 loops with MODBUS communication
Ref: PSC200
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3430,00 €
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Multi-loop modular controller - PUMA - 4 loops
ref: PUMA
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752,00 €
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Modular multi-loop controller - PUMB - 2 loops
Ref: PUMB
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depending on configuration
548,00 €
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Modular multi-loop controller - PUMC - communication module
Ref: PUMC
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1564,00 €
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Modular multi-loop controller - PUME - 8 inputs and 8 logic outputs
Ref: PUME
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564,00 €
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Technologies

Discontinuated products - Temperature controllers
Discover Fuji Electric's latest innovations in temperature controllers, with a practical guide to the new product references, combining performance and energy efficiency.
PXF series self-adaptive PID controller
Looking for the best PID controller on the market? Choose the fastest, most compact, most accurate PID controller: Fuji Electric PXF series
PSC series process controller
The PSC series process controller is a multi-loop controller that offers a flexible system with high operability. 16-color LCD display.
PXE temperature controller
Looking for a complete, easy-to-use 48×48 PID controller? The Fuji Electric PXE controller is for you.
PXH series multifunction controller
Discover the simplicity of the multifunction temperature controller PXH series. Multiple applications: corrected flow, calorie meter, etc.
PUM series modular controllers
Optimize the performance of your equipment efficiently with PUM series modular multi-loop temperature controllers!
ControlPack - All-in-one controller recorder programmer
Fuji Electric has developed a simple, ready-to-use, all-in-one recorder control package for monitoring, programming and configuring your application.

Buyer's guide to PID temperature controller

A technician wearing a hard hat standing in front of control cabinets at an industrial facility

Unstable temperatures can compromise product quality, increase energy consumption, accelerate equipment wear and tear, or cause production shutdowns. The temperature controller is therefore essential for maintaining a precise temperature setpoint.

Unlike a simple on/off thermostat, the PID controller continuously adjusts its control based on the difference between the measured temperature and the desired value. This limits oscillations, reduces overshoots, and improves process repeatability.

The Fuji Electric product line includes compact controllers, advanced digital models, versions designed for motorized valves, and multi-loop architectures for centralized control of multiple zones.

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Fuji Electric temperature controllers

Download the brochure and optimize your thermal control with precise, fast and versatile control adapted to your industrial processes.

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What is a temperature controller ?

Fuji Electric PX9 PID Temperature Controller with dual digital displays for PV and SV values

A PID temperature controller is an electronic device designed to maintain the temperature of a machine or process at a setpoint.

It receives a signal from a sensor, such as a PT100 probe or a thermocouple, and then compares the measured temperature to the setpoint. Based on this difference, the controller calculates the control signal to be sent to the heating or cooling system.

This command can control:

an electromechanical relay;
a solid-state relay (SSR);
a contactor;
a thyristor-based power controller;
a motorized valve;
an actuator controlled by an analog signal.

The PID controller can thus control electric resistors, burners, refrigeration units, hot and cold water circuits, and many other types of heating equipment.

How does a PID controller work?

The controller continuously measures the process temperature and compares it to the setpoint. The difference between these two values is the control error.

Based on this error, the controller calculates the command to be sent to the heating, cooling, or motorized valve. How it responds depends on the parameters associated with the three components: P, I, and D.

An operator pressing a button on a control panel equipped with three digital temperature controllers

Proportional action and proportional gain

Proportional control applies a correction that is directly proportional to the instantaneous error. The greater the difference between the measured value and the setpoint, the stronger the control action.

The intensity of this response depends on the proportional gain. A high gain results in a rapid correction but can cause fluctuations or oscillations. Conversely, a gain that is too low slows down the control response and may allow a significant error to persist.

The proportional band represents the error range within which the output varies gradually. The narrower this band, the higher the gain. Depending on the convention used, the proportional gain and the proportional band can be considered inversely related.

Incorrect configuration of this component can lead to several problems:

a response that is too slow;
fluctuations around the setpoint;
a significant temperature overshoot;
excessive sensitivity to disturbances;
a persistent steady-state error.

Operator pressing a button on a digital " temperature controller " installed on an industrial cabinet

Comprehensive action and permanent elimination of the error

The integral action accumulates the error over time. It gradually increases the correction as long as a deviation remains between the measured temperature and the setpoint.

This component eliminates steady-state error, also known as steady-state error. It is useful when the proportional action alone is not sufficient to exactly reach the setpoint.

However, setting the integral term too high can slow down the stabilization of the process and exacerbate overshoots. Its setting must therefore take into account the system’s inertia and thermal dynamics.

Touchscreen interface displaying temperature curves and data for monitoring a thermal process

Derivative action and anticipation of fluctuations

The derivative analyzes how the error changes over time. It takes into account the rate of change of the error in order to predict the future behavior of the process.

This component slows down the control when the temperature rapidly approaches the setpoint. It thus helps limit overshoots and fluctuations.

However, excessively high derived gain can amplify noise present in the measurement data. In this case, signal filtering or a more moderate setting may be necessary.

What are the advantages of a temperature controller ?

A technician in full gear pressing a button on an industrial control cabinet with a digit temperature controller

Stabilizing the process temperature
The controller continuously adjusts the output power to limit fluctuations around the setpoint. This stability is essential for processes that are sensitive to temperature variations.

Quickly Correct Errors
The controller analyzes the error between the measured value and the setpoint, then gradually adjusts the control signal. This allows it to respond to changes in production, external disturbances, or load variations.

Improving Quality and Repeatability
Precise control ensures that the same manufacturing conditions are reproduced from one cycle to the next. It helps reduce quality issues, scrap, and batch-to-batch variations.

Limiting Setpoint Overshoots
The combination of proportional, integral, and derivative control terms improves control dynamics. It limits overshoots that could degrade products or damage equipment.

Leveraging Process Data
Depending on the model, data on temperature, setpoints, output, and alarms can be transmitted to a PLC, a human-machine interface, or a supervisory control system. Analyzing this data makes it easier to monitor performance and identify deviations.

Stabilize
Correct
Improve
Limit
Exploit

The different types of Fuji Electric PID controllers

Fuji Electric temperature controller with a red digital display showing a setpoint of 160 °C

PXR3 compact PID controller

The PXR3 is a compact controller measuring 24 × 48 mm. It is suitable for machines with limited front-panel space and for applications requiring simple and reliable control.

It accepts various sensor signals and, depending on the configuration, offers PID control, fuzzy logic, a self-adaptive function, and RS-485 communication.

Fuji Electric PXE-4 PID Temperature Controller with Dual Digital Displays for PV and SV

PXE4 PID microcontroller

The PXE4 features a standard 48 × 48 mm form factor and is easy to handle. It is a cost-effective solution for single-loop applications that do not require advanced communication features.

Its two-degree-of-freedom PID control improves the response to setpoint changes and process disturbances.

Fuji Electric PXF Series of PID Temperature Controllers, available in three sizes and featuring dual PV and SV displays

PXF series digital PID controllers

The PXF4, PXF5, and PXF9 are the core models in Fuji Electric’s line of PID temperature controllers. They feature a 50-ms sampling cycle, accuracy of up to ±0.2% of full scale, and a large LCD display.

They are available in several formats:

PXF4: 48 × 48 mm;
PXF5: 48 × 96 mm;
PXF9: 96 × 96 mm.

Depending on the configuration, they include universal inputs, Modbus® communication, multiple alarms, programmable setpoints, various PID control algorithms, and a ramp and step generator.

Fuji Electric PXF9 PID Temperature Controller, DIN-rail mounted, with dual PV and SV displays

PXF controller for DIN rail mounting

The PXF4 DIN facilitates integration into electrical cabinets. Its plug-in terminal block simplifies wiring, replacement, and maintenance.

This version is particularly well-suited for machine builders and system integrators looking for a compact DIN-rail architecture.

Fuji Electric PXF4 PID temperature controller connected to a valve in an industrial piping system

PID controller for a motorized Valve

The PXF4VM, PXF5VM, and PXF9VM models are designed to control a motorized valve, with or without position feedback.

They are suitable for hot water, steam, or cooling circuits in which the temperature is adjusted by gradually opening and closing a valve.

Fuji Electric PXH9 Temperature Controller with Dual Digital Displays for PV and SV Values

PXH9 multifunction universal controller

The PXH9 is designed for more complex control applications. It offers accuracy of up to ±0.1% of full scale, two measurement inputs, numerous input/output channels, and mathematical functions.

It can be used for temperature control, as well as for regulating pressure, flow, level, or other process variables.

Fuji Electric PUM Modular Temperature Controller with Front-Panel Terminal Blocks

PUM modular multi-loop controller

The PUM series allows for the centralization of multiple temperature loops within a modular, rail-mounted architecture. The modules can manage two or four loops and can be combined with input/output or communication modules.

This solution is suitable for multi-zone machines, production lines, and systems requiring a high density of control points.

Fuji Electric graphic recorder with a color display showing measurements and process histograms

PSC multi-loop process controller

The PSC series combines multi-loop control, sequence programming, and visualization on a color screen. It is designed for complex processes that require an operator interface and advanced coordination of various control functions.

Comparison chart of Fuji Electric PID temperature controllers

Model	Format or Installation	Loops	Measurement accuracy	Sampling	Main functions	Recommended Applications
PXR3	24 × 48 mm	1	±0.5% PE	500 ms	PID, fuzzy logic, self-tuning, optional Modbus®	Small machines, compact panels, simple control systems
PXE4	48 × 48 mm	1	±0.5% PE	200 ms	All-or-nothing, PID, fuzzy logic, two-degree-of-freedom PID	Standard machines, ovens, and single-loop equipment
PXF4	48 × 48 mm	1	±0.2% PE	50 ms	Universal input, auto-tuning, ramps and hold, Modbus®	Fast and Versatile Industrial Control
PXF5	48 × 96 mm	1	±0.2% PE	50 ms	Advanced PXF features, larger display, more outputs	Processes requiring enhanced visualization
PXF9	96 × 96 mm	1	±0.2% PE	50 ms	Advanced features, large screen, numerous input/output ports	Furnaces, drying ovens, and complex thermal systems
PXF4 DIN	48 × 48 mm, rail-mounted	1	±0,5 %	50 ms	PID, self-tuning, plug-in terminal block, 8 ramps and setpoints	Electrical cabinets and machine manufacturers
PXF VM	48 × 48, 48 × 96, or 96 × 96 mm	1	±0.2% PE	50 ms	Motorized valve control, optional position feedback	Heating, steam, hot, or cold water systems
PXH9	96 × 96 mm	Up to 2 measurement inputs	±0.1% of full scale	50 ms	Mathematical functions, extensive I/O, Modbus®	Advanced Temperature and Process Control
PUM	Rail or wall mounting	2 or 4 per module	±0.3% PE	200 ms	Modular architecture, heating/cooling, industrial communication	Multi-zone machines and multi-loop control
PSC	4.3-inch TFT LCD screen	2	Depending on the configuration	Depending on the configuration	Control, programmed sequences, visualization, and communication	Boilers and Complex Industrial Processes

The exact specifications depend on the configuration of the inputs, outputs, power supplies, and communication options.

How do you choose the right temperature controller model?

Fuji Electric chart recorder installed on a control cabinet near an industrial boiler

Number of areas to be inspected

A single-loop controller is suitable when only one temperature needs to be controlled. A machine with multiple heating elements, heating zones, or thermal circuits typically requires a multi-loop controller or a modular architecture.

Two blue industrial sensors with connecting cables installed on a piece of process equipment

Type of temperature sensor

The controller must be compatible with the signal output by the sensor:

thermocouple;
PT100 resistance sensor;
voltage signal;
4–20 mA current signal.

A universal input facilitates equipment standardization and future upgrades to the system.

Six digital temperature controllers installed on a control cabinet in an industrial environment

Control accuracy and speed

Fast or highly turbulent processes require a short sampling time. The PXF and PXH models, with their 50-millisecond cycle time, are suitable for applications that require a rapid response.

Accuracy must also be tailored to the process. Thermal comfort control does not require the same level of performance as a testing laboratory or a critical heat treatment process.

Industrial conveyor tunnel oven with a visible heating zone in a production line

Control output type

The choice of output depends on the actuator:

a relay for switching a load or a contactor;
SSR control for a solid-state relay;
analog output for a power controller;
current or voltage output for an actuator;
Dedicated output for a motorized valve.

Four digital controllers installed beneath transmitters and near a pressure gauge in an industrial facility

Heating and cooling mode

Some applications require only a heating control. Others must alternate between heating and cooling to quickly reach the setpoint. In such cases, a controller with a heat/cool function is recommended.

Industrial piping covered with frost and ice in an environment subject to very low temperatures

Programming temperature profiles

Baking, drying, polymerization, sterilization, or heat treatment cycles may require multiple ramps and hold times. The number of programmable segments must be verified when selecting the controller.

A technician wearing a white hard hat adjusting a temperature controller on an industrial control cabinet

Communication with the automation system

An RS-485 Modbus® connection facilitates the integration of the controller into an automated system. It allows for reading measurements, changing setpoints, retrieving alarms, and centralizing parameters.

A technician wearing a white hard hat operating a control panel under a " temperature controller " sign on an industrial cabinet.

Format and mounting method

The choice depends on the available space and the cabinet's design:

24 × 48 mm for very compact facades;
48 × 48 mm for standard machines;
48 × 96 or 96 × 96 mm for easier reading;
DIN rail mounting for installation in a cabinet;
Modular solution for multi-loop applications.

Industrial applications of PID controllers

A Fuji Electric technician adjusting a digital " temperature controller " on an industrial control cabinet

Furnaces, ovens, and heat treatments

The PID controller maintains the temperature profiles required for drying, baking, annealing, polymerization, or surface treatments. The ramps and hold phases ensure a gradual and repeatable temperature rise.

Operator in protective gear using a control screen in an industrial production environment

Plastics and materials processing

Extruders, injection molding machines, thermoforming machines, and packaging machines often have multiple heating zones. A multi-loop control system allows each zone to be controlled while coordinating the entire process.

Operators in protective gear working on an automated production line in an industrial setting

Food and beverage industry

Cooking, pasteurization, cooling, and temperature maintenance require stable control to preserve product quality and ensure cycle repeatability.

Technicians in white lab coats working with analytical equipment in an industrial laboratory

Pharmaceutical industry and laboratories

Ovens, incubators, climate chambers, autoclaves, and testing equipment require precise temperature control and good reproducibility of operating conditions.

Skilled operator working on an automotive assembly line with vehicle bodies

Automotive and aerospace

PID controllers are used in test benches, paint booths, curing ovens, and environmental chambers for characterizing materials and components.

Two technicians in full gear inspecting a water treatment facility with tanks and pipes

Water treatment and wastewater treatment plants

PID controllers regulate flow in wastewater treatment plants. They adjust the speed of the pumps or the position of the valves based on data transmitted by the flow meters.

This closed-loop control system stabilizes the flow to the various treatment stages, compensates for variations in hydraulic load, and improves the performance of dosing, aeration, and filtration processes.

A technician wearing protective gear working on a process tank near an industrial control cabinet

Chemical industry

PID controllers are used in the chemical industry to ensure product consistency. They precisely maintain temperature, flow rate, pressure, level, or agitation speed within reactors and mixing tanks.

Controlling these parameters reduces batch-to-batch variations and helps ensure consistent quality. In the case of a temperature-sensitive reaction, the controller can regulate a steam valve, a cooling circuit, or a heat exchanger to maintain operating conditions.

Two industrial boilers equipped with burners and connected to a piping system in a boiler room

Boilers and energy systems

Multifunction, multi-loop controllers coordinate various process variables to improve combustion stability, safety, and plant performance.

Installation and configuration of a PID controller

A Fuji Electric technician installing a digital " temperature controller " on an industrial control cabinet

The quality of the control system depends as much on the choice of equipment as on its installation.

The sensor must be placed in a location that is representative of the actual process temperature, while minimizing response times and external disturbances. Its wiring must be separated from the power circuits to reduce electrical interference.

The controller's output must be properly sized and paired with a compatible power device. For loads that are switched frequently, a solid-state relay or a thyristor-based dimmer may offer greater durability than an electromechanical relay.

During commissioning, the self-tuning function calculates the PID parameters based on the system’s thermal response. These parameters can then be fine-tuned according to process priorities: speed, overshoot limitation, or maximum stability.

Why choose Fuji Electric PID controllers?

Fuji Electric PXE-4 PID Temperature Controller with dual digital PV and SV displays on industrial equipment

Fuji Electric offers a comprehensive product line covering simple control, programmed thermal cycles, valve control, and multi-loop systems.

Our solutions combine:

precise control algorithms;
response times suited to industrial processes;
compact sizes;
configurable inputs and outputs;
self-adjusting functions;
software tools for configuration;
communication options with automation systems;
Comprehensive technical documentation.

The Fuji Electric France teams will assist you in selecting the sensor, controller, power module, and control architecture best suited to your system.

FAQ - PID control

What is the difference between a thermostat, a PID controller, and a PID regulator?

A thermostat typically controls heating in an on/off mode. A PID controller modulates its output based on the deviation, its duration, and the rate of change. This results in a more stable temperature and limits overshoots of the setpoint.

What is PID self-tuning?

Self-tuning is a function that analyzes the process's thermal response to automatically calculate the proportional, integral, and derivative parameters. It simplifies the controller's commissioning.

What is the error in a PID control system?

The error is the difference between the setpoint temperature and the measured temperature. The controller uses this data to calculate the control signal needed to regulate the process.

What is the difference between proportional gain and proportional band?

The proportional gain determines the intensity of the correction applied to the error. The proportional band represents the range within which the output varies gradually. A narrower band generally corresponds to a higher gain.

What is process downtime?

Dead time is the delay between a change in the control signal and the start of the process response. A long dead time makes control more difficult and generally requires less aggressive control settings.

Why does the temperature fluctuate around the setpoint?

Fluctuations may be caused by excessively high gain, excessive integral action, a poorly positioned sensor, or a long dead time. Self-calibration and data analysis can help identify the cause of the problem.

What is the time constant?

The time constant characterizes the response speed of the process. It makes it possible to distinguish a fast thermal system from a slow process with high inertia.

Can a PID controller regulate both heating and cooling?

Yes. Models equipped with heating/cooling control can control two separate outputs, such as an electric heating element and a cooling solenoid valve.

What types of sensors can be connected to a temperature controller ?

Depending on the model, it is possible to connect thermocouples, PT100 resistance sensors, voltage signals, or transmitters that output an analog current.

Which PID controller should you choose for a motorized valve?

The PXF4VM, PXF5VM, and PXF9VM models are designed to control motorized valves. Configurations with or without position feedback are available.

How do you control multiple temperature zones?

A multi-zone machine can be equipped with several single-loop controllers or a modular multi-loop controller from the PUM series. The choice depends on the number of zones, the available space, and the desired level of integration.

Why use Modbus® communication?

Modbus® communication allows the controller to be connected to a PLC, an HMI, or a supervisory system. This enables temperatures, setpoints, alarms, and parameters to be viewed or modified remotely.

Can a PID controller help reduce energy consumption?

A properly configured control system limits oscillations and periods of excessive heating. It can therefore help reduce energy consumption while maintaining process quality.

Need a temperature controller ?

Our specialists analyze your process, the number of zones, the sensors, the actuators, and the communication requirements in order to provide you with a suitable PID control solution.

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