Frequency Input Universal Process Controllers

Description

Frequency Input Universal Process Controllers are devices designed to manage and regulate various process variables by accepting frequency input signals. These controllers are versatile and can handle multiple types of input and output signals, making them suitable for a wide range of industrial applications.

Working Principle

Frequency Input Universal Process Controllers operate by receiving frequency signals from sensors or other input devices. These signals are then processed to control various parameters such as temperature, pressure, or flow rate. The controllers use algorithms like PID (Proportional, Integral, Derivative) to maintain the desired setpoints by adjusting the output signals accordingly. This capability makes them highly useful in maintaining precise control over complex processes, ensuring stability and efficiency in industrial operations.

Applications

Frequency Input Universal Process Controllers are used in various industrial applications. For example, they can be employed in manufacturing processes where precise control of machinery speed is required. They are also used in chemical processing plants to regulate the flow rates of different substances, ensuring the correct mixture and reaction conditions.

Advantages over other Universal Process Controllers

One of the key advantages of Frequency Input Universal Process Controllers is their ability to handle a wide range of input and output signals, providing flexibility in different industrial settings. They are also capable of precise control due to advanced algorithms like PID, which are not always available in simpler controllers. This precision is crucial in applications where even minor deviations can lead to significant issues.

Limitations

A limitation of Frequency Input Universal Process Controllers is that they may require more complex setup and tuning compared to simpler controllers. This complexity can lead to longer installation times and the need for specialized knowledge to configure and maintain the system properly.

Considerations

When considering Frequency Input Universal Process Controllers, it is important to evaluate the initial costs, which can be higher due to their advanced capabilities. Operating expenses may also be increased due to the need for regular maintenance and potential calibration to ensure accuracy. However, their durability and precision can offset these costs over time, especially in applications where process stability is critical. Additionally, replacement and maintenance costs should be factored into the overall cost of ownership, as these controllers may require specialized parts and expertise for servicing.

11 Results
Universal Process Controller -- Control Master CM10
from ABB Measurement & Analytics

The CM10 process controller is scalable in terms of both hardware and software, enabling it to meet your application requirements. The flexible control functionality including on/off, time proportioning, analog PID, dual output control and math & logic make this controller suitable for a wide... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; RS-485, Modbus
  • Features: Multi-Function
  • Control: Limit; Linear; PID
  • Form Factor: DIN
Universal Process Controller -- Control Master CM30
from ABB Measurement & Analytics

The ControlMaster CM30 is a flexible, 1/4 DIN, universal PID process controller that boasts a clear, full-color TFT display and an intuitive operator interface that simplifies configuration and operation. Highly scalable in both hardware and software functionality, a CM30 can be specified easily to... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; RS-485, Modbus
  • Features: Multi-Function
  • Control: Limit; Linear; PID
  • Form Factor: DIN
Universal Process Controller -- Control Master CM50
from ABB Measurement & Analytics

The CM50 universal PID process controller offers many features and performance capabilities to suit a wide range of industrial applications. Detailed process information is presented clearly on the CM50's full-color TFT display and an intuitive operator interface simplifies configuration and... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; RS-485, Modbus
  • Features: Multi-Function
  • Control: Limit; Linear; PID
  • Form Factor: DIN
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]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; Screw Terminal
  • Control: Limit; Linear; Feedforward; PID
  • Controller Type: Flow; Laboratory; Level; Pressure; Temperature
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Cooling Tower Conductivity Controller -- WCT400
from Iwaki America and Walchem, IWAKI America Inc

The WCT400/410 Cooling Tower Controllers represent the latest in technological and innovative advancements from Walchem. All of the standard features you ’d expect from a conventional cooling tower controller are included, plus optional simple-to-use information management tools that enable... [See More]

  • Type: Switch / Relay Input; Frequency Inputs
  • Features: Multi-Function; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Limit; PID
  • Form Factor: Chassis
Controller -- ESX
from STW Technic

Designed for harsh environments, freely programmable [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Frequency Inputs
  • Form Factor: Stand-Alone
  • Features: PLC
  • Interface: Computer Programmable
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]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; Screw Terminal, DA15
  • Control: Limit; Linear; Feedforward; PID
  • Controller Type: Flow; Laboratory; Level; Pressure; Temperature
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
WebMaster® One -- WMB8
from Iwaki America and Walchem, IWAKI America Inc

WebMasterONE is the most powerful, affordable, online analytical process controller the water treatment world has ever seen! The simple, intuitive programming makes it easy to configure your WebMasterONE to control multiple cooling towers, boilers, closed loops, waste streams or virtually any water... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation (optional feature); Frequency Inputs; Serial / Digital Input; Ethernet, Modbus TCP/IP
  • Features: Multi-Function; Datalogger
  • Control: Limit; PID; Other; Flow Based / Timer
  • Form Factor: Chassis
Universal Embedded Process Controller -- Model N920
from Florite International, Inc.

The Model N920 is an embedded version of the 900 Series instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs. Other Model N920 features include .005% high accuracy PID, batch, and dose control functions. Additionally, the Model N920 encompasses rate... [See More]

  • Type: Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; 3.5mm Plug
  • Control: Limit
  • Controller Type: Flow; Level
  • Features: PLC; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
WebMaster® One -- WMT8
from Iwaki America and Walchem, IWAKI America Inc

WebMasterONE is the most powerful, affordable, online analytical process controller the water treatment world has ever seen! The simple, intuitive programming makes it easy to configure your WebMasterONE to control multiple cooling towers, boilers, closed loops, waste streams or virtually any water... [See More]

  • Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation (optional feature); Frequency Inputs; Serial / Digital Input; Ethernet, Modbus TCP/IP
  • Features: Multi-Function; Datalogger
  • Control: Limit; PID; Other; Flow Based / Timer
  • Form Factor: Chassis
Universal Process Monitor/Controller -- 700 Series
from Florite International, Inc.

The 700 Series is an economic one loop microcomputer-based instrument incorporating a digital input, as well as a relay output. Other 700 Series features include rate metering, dual totalizing, easy menu navigation, multiple audio/visual alarm functions, a serial RS-232 port, LWAN (modem)... [See More]

  • Type: Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; 3.5mm Plug
  • Control: Limit
  • Controller Type: Flow; Laboratory; Level
  • Features: PLC; Multi-Function; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control