Network / Fieldbus Output Level Controllers
Last Updated: April 1, 2025
Description
Network/Fieldbus Output Level Controllers are devices designed to manage and regulate the level of materials, such as liquids or solids, within a system. They achieve this by interfacing with a network or fieldbus system to communicate control signals that adjust the level of the material being monitored.
Working Principle
Fieldbus technology operates by unifying all process signals into a single feed for a controller, allowing multiple digital and analog signals to be connected simultaneously. These controllers often include PID control capabilities due to their embedded microprocessors, which help in processing functions near the devices themselves. This setup is beneficial as it relieves the master controller from handling all processing tasks, thereby enhancing efficiency and reliability in industrial processes .
Applications
Network/Fieldbus Output Level Controllers are widely used in industrial processes where precise level control is crucial. For example, they are essential in chemical processing plants for maintaining the correct levels of reactants in reactors. They are also used in water treatment facilities to control the levels of water in various stages of the treatment process, ensuring optimal operation and compliance with environmental regulations.
Advantages over other Level Controllers
One significant advantage of Network/Fieldbus Output Level Controllers is their ability to integrate with a wide range of digital and analog signals, providing a unified control system. This integration allows for more precise and reliable control compared to standalone controllers. Additionally, the use of fieldbus technology can reduce wiring complexity and improve communication efficiency between devices .
Limitations
A notable limitation of fieldbus network communication is the rate at which data can be transmitted. While this can be mitigated through sound system architectural design and programming, it requires significant expertise and resource investment .
Considerations
When considering Network/Fieldbus Output Level Controllers, it is important to evaluate the initial costs, which can be higher due to the complexity of the system and the need for compatible network infrastructure. Operating expenses may also be influenced by the need for specialized personnel to manage and maintain the system. Durability and accuracy are generally high, given the advanced technology used, but replacement and maintenance costs should be factored into the long-term operational budget. Compatibility with existing systems and protocols is another critical consideration to ensure seamless integration and operation .
from BinMaster, Inc.
The BinMaster C-100 control console provides convenient walk up or drive up access to level and volume data indoors or outdoors at the push of a button. The C-100 offers measurements displayed as feet or cubic feet, US gallons or bushels, and tons, metric tons, or kilograms. Measurements can be... [See More]
- Control Signal: Current Loop Output; Network / Fieldbus Output; Other; MODBUS
- Features: PLC; Datalogger; Totalizing (Length or Roll Diameter) Indication/ Control
- Control: Limit
- Form Factor: Chassis
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]
- Control Signal: Analog Voltage Output; Current Loop Output; Switched Output; Serial / Digital; Network / Fieldbus Output; Screw Terminal
- Control: Limit; Linear; Feedforward; PID
- Controller Type: Batch; Flow; Laboratory; Pressure
- Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Siemens Process Instrumentation
MultiRanger/HydroRanger 200 HMI is a versatile short- to medium-range ultrasonic single- and multi-vessel level monitor/controller for virtually any application in a wide range of industries. Differential measurement and six control relays. Process Intelligence. Range of models for simple level... [See More]
- Control Signal: Current Loop Output; Serial / Digital; Network / Fieldbus Output
-
Media: Liquid; Solid; Other;
Wet wells, flumes/weirs, bar screen control, hoppers, chemical storage, liquid storage, crusher bins, dry solids storage
from PMC Engineering LLC
The DPM is a multipurpose, easy to use digital dual-input process meter ideal for level, flow rate, temperature transmitter, or pressure transmitter applications. Various math functions may be applied to the inputs including addition, difference, absolute difference, average, weighted average,... [See More]
- Control Signal: Switched Output; Network / Fieldbus Output; Modbus RTU Communication
- Control: Limit
- Controller Type: Flow; Pressure
- Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
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]
- Control Signal: Analog Voltage Output; Current Loop Output; Switched Output; Serial / Digital; Network / Fieldbus Output; Screw Terminal, DA15
- Control: Limit; Linear; Feedforward; PID
- Controller Type: Batch; Flow; Laboratory; Pressure
- Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Siemens Process Instrumentation
SITRANS LT500 is the next evolution of digital level, flow, and pump controllers for radar and ultrasonic transmitters – or any 2-wire 4-20 mA device. It is the first choice for radar sensor measurements at 80 GHz and features single and dual point measurements, 6 relays, and Modbus RTU, HART,... [See More]
- Control Signal: Current Loop Output; Network / Fieldbus Output
- Media: Liquid; Solid
- Control Outputs: 3
from PMC Engineering LLC
The PM is a multipurpose, easy to use digital process meter ideal for level, flow rate, temperature, or pressure transmitter applications. It accepts current and voltage signals. Three of the front panel buttons can be custom programmed for a specific operation. Dual Scale for Level Applications -... [See More]
- Control Signal: Switched Output; Network / Fieldbus Output; Modbus RTU Communication
- Control: Limit
- Controller Type: Flow; Pressure
- Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control