An Overview of Eurotherm’s Temperature Controllers

In manufacturing, the role of temperature control is vital for maintaining product quality and ensuring process efficiency. Eurotherm’s range of single-loop and multi-loop controllers addresses this need by offering precise temperature management. Eurotherm’s controllers are designed to cater to various industrial requirements, ensuring that temperature regulation is both accurate and consistent.

In this article, we’ll outline Eurotherm’s most popular temperature controllers, including primary features and benefits, capabilities, and manufacturing applications.

nanodac™

Eurotherm's nanodac temperature controller. The display shows four channels. The first channel says 8.25 degrees Celsius, the second channel says 9.0, the third channel says 24.5, and the third channel says 142.0
The nanodac™ is a dual temperature controller/recorder offering the ultimate in graphical recording combined with PID control. The compact unit offers four universal inputs for batch recording. This controller is further enhanced by a full-color, 1/4 VGA display to bring a crystal-clear operator interface to even the smallest machines.

Features & Capabilities

  • 0.1% Reading Accuracy (at 125ms)
  • Easily Accessible I/O Points
  • Up to Eight Universal Inputs Available
  • Tamper-Resistant Data Recording
  • Can Control Two Valve Positioners (1/3: 2/3 Mode)
  • Two Red Alarm Lights

Specifications

Input Type mA
mV
RTD
TC
IP Rating IP65
NEMA12
Control Types On/Off
PID
VP
Supply Voltage 24V (DC/AC)
85-264V (AC)
Analogue IP 8
Analogue OP 3
Digital IP 3
Digital OP 5
Communication Protocols Ethernet/IP
Modbus TCP/IP
Control Loops 2

 

3200 Series

Eurotherm's 3200 series of temperature controllers. There are four controllers, each displaying different numbers.

The Eurotherm 3200 is available as a PID controller or an over/under-limit controller. It can also be configured to combine these two designs in one space-saving panel mount package. This controller is ideal for many applications, including plastic extrusion, heat treatment, thermal forming, ovens, and chillers.

Features & Capabilities

  • Easy Configuration With Little Training Required
  • 0.25% Reading Accuracy
  • Custom Alarm Messages
  • Out of Box Operation Available With QuickStart
  • Multi-Language Capabilities (English, German, French, Spanish, & Italian)
  • Internal Timer
  • Can Be Pre-Configured Based on Application
  • Heater Failure Detection
  • Internal Timer

Specifications

Input Type cT
mA
mV
RTD
TC
IP Rating NEMA 12/NEMA 4X (3216 Model)
IP65
Control Types On/Off
PID
VP
Supply Voltage 24V (DC/AC)
85-264V (AC)
Safety Approvals EN14597 TR
Analogue IP 2
Analogue OP 3
Digital IP 3
Digital OP 4
Communication Protocols Modbus

 

EPC3000

EPC3000 controllers are a range of easily programmable single-loop process controllers designed for high accuracy (0.1%) and repeatability. It’s primarily pre-configured for applications like heat/cool temperature control, carbon potential control, and dew point control. It can maintain consistent control for long periods without recalibration and can meet accuracy specifications for aerospace applications. It’s also the first controller certified to meet the Achilles® Communications Robustness Testing Level 1 cybersecurity requirements.

Features & Capabilities

  • High-Speed Ethernet
  • QuickStart Available for Out of Box Operation
  • Specialized Math & Logic Functions
  • Compatible with IoT & Industry 4.0 Applications
  • FM-Approved Option Available
  • Up to 20 Ramp/Soak Profiles
  • Adjustable PID Settings
  • Improved Design to Reduce Overshoot

Specifications

Input Type TC
PT100/PT1000
RTD
mV
mA
Zirconia
IP Rating Washdown: IP66
NEMA 4x (Indoor)
Standard: IP65
NEMA 12
Control Types On/Off
PID
VP
Carbon Potential
Supply Voltage 24V (DC/AC)
85-264V (AC)
Safety Approvals Achilles CRT Level 1 Cybersecurity
EN13849 PLC
EN14597 TR
Factory Mutual Approved
Analogue IP 4
Analogue OP 3
Digital IP 5
Digital OP 4
Communication Protocols BACNet
EIA-485
Ethernet/IP
Modbus RTU
Modbus TCP
Mounting 1/16 Panel
1/4 Panel
1/8 Panel

 

2704 Multi-Loop

Eurotherm's 2704 multi-loop controller. The display features two numbers (3.65E-5 chamber vac and 550. chamber temperature).

The 2704 Advanced Multi-Loop Controller is designed for complex and demanding applications, including solid extrusion, wire coating, furnace carburization, and incinerators, except for applications in explosive or corrosive environments. These controllers can be pre-configured in single, dual, or triple-loop format, feature flexible I/O, and have several math and logic functions.

Features & Capabilities

Features and capabilities will vary based on the model but may include:

  • Probe Cleaning & Diagnostics
  • Open Communication
  • Pressure Alarms
  • Sooting Alarm
  • CO Correction
  • Dewpoint Measurements
  • Leak Detection
  • Melt Pressure Control
  • Offline/Online Editing
  • Fixed & Modular I/O
  • Customizable Displays
  • Easy Calibration
  • 0.1% Accuracy

Specifications

Input Type mV
mA
RTD
TC
Volts
IP Rating CE
cUL
EAC (NADCAP & AMS2750D Applications)
Control Types PID
On/Off
Valve Position
Carbon Potential
Humidity
Supply Voltage 24V (DC/AC)
85-264V (AC)
Safety Approvals EN61326
EN61010
Analogue IP 8
Analogue OP 8
Digital IP 44
Digital OP 43
Communication Protocols Ethernet/DeviceNet (Slot H or J)
Profibus (Slot H)
Modbus TCP
Profibus DP
Modbus RTU
Mounting 1/4 DIN

 

2604 Advanced Process Controller

Eurotherm's 2604 process controller. The display shows a number 2604.0, representing the model number

Eurotherm’s 2604 Advanced Process Controller is a versatile device designed for complex process control applications, including test chambers, autoclaves, kilns, and furnaces. It also offers a high level of functionality and flexibility, making it suitable for use in many industrial settings where precise control and customization are necessary.

Features & Capabilities

Features and capabilities will vary based on the model but may include:

  • Up to Three Control Loops
  • Setpoint Programming Available (Up to 50 Programs & Three Setpoints)
  • Features INSTANT ACCURACY™ in All Inputs
  • Advanced Maths (24) & Logic (32) Functions
  • Customizable Interface
  • Can Control:
    • Temperature
    • Flow
    • Pressure
    • Level
    • Relative Humidity
    • Dewpoint
    • Carbon Potential
    • Oxygen Concentration
    • Total Dissolved Solids
    • Melt Pressure
    • pH
  • 0.1% Reading Accuracy

Specifications

Input Type mA
mV
RTD
TC
Volts
IP Rating IP65
Control Types PID
On/Off
VP
Supply Voltage 24V (DC/AC)
85-264V (AC)
Communication Protocols Ethernet/DeviceNet
Profibus DP
Modbus TCP
Modbus RTU
Analogue IP 8
Analogue OP 8
Digital IP 44
Digital OP 43
Mounting 1/4 DIN

 

Piccolo™

Eurotherm's Piccolo controller. The photo is a side view of the controller. The side of the controller has a stick with specifications. The front of the screen is displaying the numbers and words "116.0 P116" representing the series and model number

The piccolo™ controllers provide precise and stable control to maintain quality limits and are well-suited for furnaces, kilns, ovens, batch operations, and plastic processing control. These controllers balance performance and simplicity, making them a practical choice.

Features & Capabilities

  • Quick Code for Fast & Easy Configuration
  • Recovery Point Feature to Restore Original Settings
  • High-Visibility Three-Color Display
  • Energy Usage Estimates
  • Customizable Settings
  • 0.25% Reading Accuracy
  • Soft Starts & Ramp-Soak Timers to Prevent Damage
  • Detects Heater Failures & Leaks

Specifications

Input Type mA
mV
RTD
TC
Volts
IP Rating IP66
NEMA 12
Control Types PID
On/Off
Supply Voltage 24V (DC/AC)
85-264V (AC)
Communication Protocols RS485 Modbus
Analogue IP/OP 1
Digital IP 1
Digital OP 2
Mounting 1/16 Panel
1/4 Panel
1/8 Panel

 

3500 Series

A Eurotherm 3500 series temperature controller. The display shows 3504 degrees Celsius and has additional numbers representing millivolts, probe temperature, and dew point.

The 3500 series are advanced process control units designed for complex applications requiring high precision. They are particularly ideal for automation applications, including heat treatment, semiconductors, environmental chambers, autoclaves, reactors, and fermenters. These controllers are known for their dual-loop control, making them ideal for interactive processes, and offer a wide range of features.

Features & Capabilities

  • Two Independent or Synchronized Programmers (Up to 50 Programs)
  • Flexible I/Os (Relay, Logic, Triac, & Analogue)
  • Can Control Carbon Potential in Furnaces
  • Customizable Maths, Logic, & Timing Functions
  • Easy Selection of New Recipes (Up to 8)
  • Infrared Adaptor for Easy Configuration
  • Compatible With Eurotherm’s Graphical Wiring Editor
  • 0.1% Reading Accuracy

Specifications

Input Type mA
mV
RTD
TC
Volts
IP Rating IP65
NEMA 12
Control Types PID
On/Off
VP
Supply Voltage 24V (DC/AC)
85-264V (AC)
Communication Protocols Modbus Master
Modbus
DeviceNet/Ethernet
Profibus
Analogue IP 5
Analogue OP 6
Digital IP 40
Digital OP 41
Mounting 1/8 DIN
1/4 DIN

 

Learn More About Eurotherm’s Temperature Controllers

Located in Michigan, Hi-Watt is a leading regional distributor of industrial heating and temperature control products, including Eurotherm’s temperature, data/graphic, and power controllers.

Please contact us today if you have questions about any of the temperature controllers listed in this article or if need help selecting the best controller for your application.