PLC Controller Temperature Controllers

Last Updated: April 1, 2025

Description

PLC Controller Temperature Controllers are devices used to maintain a specific temperature within a system. They achieve this by monitoring the temperature and adjusting the heating or cooling elements to ensure the desired temperature is consistently maintained.

Working Principle

PLC Controller Temperature Controllers operate on a closed-loop control system. They utilize input sensors such as thermocouples or resistive thermal devices (RTDs) to measure the current temperature. The controller compares this measured temperature to a setpoint and adjusts the output to maintain the desired temperature. This is typically done by switching a heater or cooler on or off based on the temperature readings. The use of PLCs allows for precise control and automation of temperature regulation, making them highly useful in industrial settings where maintaining a constant temperature is critical.

Applications

PLC Controller Temperature Controllers are widely used in industrial processes where precise temperature control is necessary. For example, they are employed in the control of heaters within enclosures to maintain specific environmental conditions. They are also used in processes involving pneumatic valves where temperature regulation is crucial for the operation of the system.

Advantages over other Temperature Controllers

PLC Controller Temperature Controllers offer several advantages over traditional temperature controllers. They provide more precise control due to their ability to process complex algorithms and handle multiple inputs and outputs. This makes them suitable for complex industrial processes where accuracy and reliability are paramount. Additionally, PLCs can be programmed to perform various control functions, offering flexibility and adaptability to different applications.

Limitations

One limitation of PLC Controller Temperature Controllers is their complexity, which can require specialized knowledge to program and maintain. They may also be more expensive than simpler temperature controllers, both in terms of initial cost and maintenance. Additionally, they may not be suitable for environments with significant electrical noise unless properly shielded.

Considerations

When considering PLC Controller Temperature Controllers, it is important to evaluate the initial costs, which can be higher due to the complexity and capabilities of PLCs. Operating expenses may also be higher, as these systems require regular maintenance and potential software updates. Durability and accuracy are generally high, but they depend on the quality of the components used and the environment in which they operate. Replacement and maintenance costs should also be considered, as these can add to the overall expense of using PLC-based temperature control systems.

11 Results
Smart Fog® CPLC 1 Zone Relative Humidity and Temperature Controller Unit -- CPLC-1
from Smart Fog

Smart Fog ® CPLC 1 Zone Controller Unit is an industrial relative humidity and temperature controller. This unit provides accurate, user friendly control interface. Propriatory intelligent algorithms provide unsurpassed accuracy and set and forget functionality. Product Advantages: Competely... [See More]

  • Controller Type: Environmental; HVAC; Humidity
  • Features: PLC
  • Control: Nonlinear
  • Form Factor: Chassis; Stand-Alone
Wall Mounted HVAC Controller -- AM6108
from Cubic Sensor and Instrument Co.,Ltd.

INTRODUCTION. AM6108 HVAC system controller is with built-in IAQ sensor modules, which integrated NDIR CO2 sensor, laser PM2.5 sensor, HVAC indoor air quality sensor. It can monitor and display indoor CO2 concentration, PM1.0 PM2.5 PM10 concentration, HCHO, VOC and RH&T. The signal of controller can... [See More]

  • Controller Type: Environmental; HVAC; Humidity
  • Features: PLC; Multi-Function; Rate Indication/ Control
  • Control: Linear; PID
  • Form Factor: Wall Mount
Temperature Meter/Controller -- Type LDI35 CF
from CARLO GAVAZZI Automation Components

3 1/2-dgt or 3-dgt + dummy zero multi-range µP-based indicator or controller for temperature measurements by means of thermocouple or thermoresistance probes. Selectable input range. Degree of protection of IP 50 (IP 65 on request). Temperature measurements from thermoresistance or... [See More]

  • Control: Limit
  • Form Factor: Chassis
  • Features: PLC
  • Interface: Digital Front Panel
Anti Freeze, De-ice, Monitoring And Control -- TEF 1071 ICE CLASS
from R. STAHL, Inc.

Anti Freeze, De-Ice, Monitoring and Control. Features. May use regular contactors for circuit control; or solid stat relays (SSR) if the Power Function is to be used. All information and control in a single compact control panel; From 14 to 46 circuits. Fault monitoring for each circuit, plus common... [See More]

  • Control: Limit
  • Form Factor: Stand-Alone
  • Features: PLC
  • Inputs: 14
Temperature Controller -- 450
from Gefran

The series 450 temperature controller, measuring 48x48mm (1/16 DIN), offers simplicity of use and high quality of control. The input from temperature sensors is “universal ” and configurable with type J, K, R, S, T, B, E, N thermocouples and with 3-wire Rt100 resistance thermometers. The... [See More]

  • Control: Limit; PID
  • Form Factor: DIN
  • Features: PLC
  • Interface: Digital Front Panel
High Accuracy Process Controller -- 900 Series
from Florite International, Inc.

The 900 Series is an economic one loop microcomputer-based instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs.  Other 900 Series features include .005% high accuracy PID, batch, and dose control functions. Additionally, the 900 Series encompasses... [See More]

  • Controller Type: Laboratory
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Limit; Linear; Feedforward; PID
  • Form Factor: Board (optional feature); Chassis; Rack; Stand-Alone; Wall Mount
Electronic Control System -- IntelliRamp®
from KTR Corporation

IntelliRamp ® is an electronic control system allowing for program-controlled, accurate brake processes. Being combined with IntelliRamp ®, our brakes are therefore suitable for the use in sophisticated applications. The control computer is the core system component, responsible for all... [See More]

  • Control: Linear
  • Form Factor: Chassis
  • Features: PLC; Is a Chart Recorder
  • Interface: Digital Front Panel; Computer Programmable (optional feature)
Smart Fog® MS100 Control Unit -- MS100-VB
from Smart Fog

Smart Fog ® MS100 VB Control Unit is a reliable control center for the MS100 System. Easy plug & play install and maintenance free design provides a bullet proof industrial solution for humidity control appliacation. This unit controls a constant stream of 0 psi water pressure. Unit... [See More]

  • Controller Type: Environmental; HVAC; Humidity
  • Features: PLC
  • Control: Nonlinear
  • Form Factor: Chassis; Stand-Alone
Anti Freeze, De-ice, Monitoring And Control -- TEF 1072 ICE CLASS
from R. STAHL, Inc.

Anti freeze, de-ice, distribution and control. Features. Main switch, ampmeter and common alarm lamp installed in panel door. From 10 to 50 circuits. Uses high power contactors for activating the various circuits. One circuit breaker and earth fault switch per circuit. Adjustable timer relays allow... [See More]

  • Control: Limit
  • Form Factor: Stand-Alone
  • Features: PLC
  • Inputs: 10
Intelligent Integrated Instrument System -- Model 990
from Florite International, Inc.

The Florite Model 990X is an innovative, technically superior, high quality and reliable microcomputer-based controller suitable for any commercial or industrial application. The instruments user configurable screw-terminal channels enable any mix of up to eight inputs and or outputs regardless of... [See More]

  • Controller Type: Laboratory
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Limit; Linear; Feedforward; PID
  • Form Factor: Chassis; Rack; Stand-Alone; Table Top Mount
Industrial Controller
from KTR Corporation

Product features. Standard type for direct assembly of tank or pipeline. Dipping sleeve made from stainless steel. Up to 7 functions in one housing. Stable housing. Made from virtually non-inflammable and self-quenching Macrolon. For media from -30 ° C to +160 ° C. Applications: to control... [See More]

  • Control: Limit; Linear
  • Form Factor: Chassis
  • Features: PLC; Multi-Function
  • Interface: Digital Front Panel