How to Use 4-20mA LED Indicators for Process Control | Enhance Your Control System with 4-20mA LED Indicators | Step-by-Step Tutorial: Setting up LED Indicator for 4-20mA Signals

Having an LED 4 to 20mA display panel in your production plant can offer several benefits, especially in industrial and manufacturing settings where precision and real-time monitoring are essential:

Accurate Process Monitoring: The 4-20mA signal is a widely used standard for process control and measurement. An LED display panel can provide accurate real-time information about the state of the process, making it easier to detect any anomalies or deviations from the desired values.

Easy Visualization: LED displays are known for their clarity and visibility even in challenging lighting conditions. They provide a quick and easy way for operators and maintenance personnel to see the status of the process without ambiguity.

Immediate Feedback: With a 4-20mA display panel, operators can get immediate feedback on the current state of the process, allowing them to make rapid decisions and adjustments to maintain product quality and production efficiency.

Reduced Downtime: Timely information on the 4-20mA LED display can help prevent potential issues or breakdowns by allowing for proactive maintenance or intervention, which can reduce downtime and production losses.

Improved Quality Control: Real-time monitoring of critical parameters through the LED display can enhance the quality control process. It helps ensure that products meet specifications and standards, reducing defects and waste.

Energy Efficiency: In some cases, a 4-20mA display can be used to monitor and optimize energy consumption in a production plant, leading to potential cost savings and reduced environmental impact.

Data Logging and Analysis: Many modern LED display panels offer the capability to log and store data over time. This data can be used for performance analysis, process optimization, and troubleshooting.

Integration with Control Systems: These display panels are often integrated with larger control systems, making it easier to coordinate and control various elements of the production process.

Safety: Monitoring critical parameters with an LED display can contribute to a safer working environment by ensuring that equipment operates within safe limits and by promptly identifying any issues that could pose safety risks.

Compliance: In regulated industries, the use of 4-20mA display panels can assist in meeting compliance requirements and demonstrating adherence to industry standards and regulations.

4-20mA LED display panel can enhance process control, improve production efficiency, reduce downtime, and contribute to the overall success and safety of a production plant. The specific benefits will depend on the nature of the production process and the way in which the display is integrated into the system.

#custronics #led4to20madisplay #led4to20macurrentindicator

LED Display System Design & manufacturer 
CUSTRONICS
Engineered & Assembly in Malaysia
https://www.facebook.com/JTTechtronics/
https://www.custronics.com

Jim Loo https://Www.wasap.my/60163199391

#custronics #jttechtronicssdnbhd #PPMdisplaypanel #MPMDisplaypanel #KPIdisplaypanel #productiondisplaypanel #leddisplaypanel #malaysialed #leddisplaypanelmalaysia #leddisplaymalaysia #leddisplayboardmalaysia #leddisplayboard #productiondisplayboard #productiondisplaymalaysia #rs232display #rs485display #mqttdisplay #andonsystem #andondisplay #andonleddisplay

How to wire 4 - 20mA Transmitter? Wiring Types: 2 -Wire, 3 - Wire & 4 - Wire

Standards and Definitions for 4-20 mA Transmitters 

Per the ANSI & Instrumentation Systems and Automation Society (ISA), type numbers with suffix letters are used as transmitter identifiers. Type number is the number of wires necessary to provide transmitter power. Shields and IO wires are excluded. Suffix letters identify the load resistance capability. 

We have three basic 4-20 mA transmitter types: 

• Type 2 Transmitter
• Type 3 Transmitter 
• Type 4 Transmitter

Type 2 Transmitter

Type 2 is a 2-wire transmitter that is energized by the loop current where the loop source voltage is included in the receiver. The transmitter floats and signals ground is in the receiver. 

Type 2 Transmitter

Photo : Type 2 Transmitter

Type 3 Transmitter 

This is a 3-wire transmitter energized by a supply voltage at the transmitter. The transmitter sources the loop current. The transmitter common is connected to the receiver common. 

Type 3 Transmitter

Photo : Type 3 Transmitter

Type 4-wire Transmitter 

This is a 4-wire transmitter that is energized by a supply voltage at the transmitter. The transmitter sources the loop current to a floating receiver load. 

Type 4 Transmitter

Photo: Type 4 Transmitter

Another Case Study:-

4 - 20mA Transmitter Wiring Types: 2 -Wire, 3 - Wire & 4 - Wire

Today’s electronic process transmitters - pressure, temperature, flow and level are connected in different wire types or configurations. These connection methods are of great concern to the instrument engineer/technician. The 2 - Wire, 3 - Wire and 4 - Wire types are often used to describe the method of connection of electronic transmitters. However in today's rapidly evolving technological world, the 2 - Wire type transmitter is by far the most common. Evidently so because of the huge savings in wiring and other advantages it possess over the other transmitter wire configurations.

Two wire transmitters:

These are the simplest and most economical and should be used wherever load conditions will permit. They are often called loop powered instruments. In a 2 -wire system, the only source of power to the transmitter is from the signal loop. The 4 mA zero-end current is sufficient to drive the internal circuitry of the transmitter and the current from 4 to 20 mA represents the range of the measured process variable. The power supply and the instruments are usually mounted in the control room. The schematic diagram below shows the wire transmitter configuration:

Three wire transmitters:

Some transmitters require more power than the signal loop ( 4-20 mA. etc) can supply their internal circuitry. A DC common wire is run from the instrument to the transmitter. This permits the transmitter to draw whatever power it needs from the power supply and produce the desired signal current at the transmitter output. The schematic diagram for a 3 -wire transmitter is shown below:

  

Four wire transmitters:

4-wire transmitters have their own internal power supply hence they are often referred to as self-powered instruments. They require no connection to the DC power supply. A 120 Vac sources is connected only to the receiving instrument. These are often used where an instrument is added to the load of the DC supplies. The disadvantage is the need for AC power at the instrument site. Below is shown the wire configuration of a four wire transmitter:

Note that in all the transmitter wire configurations shown above, a load resistor of 250Ω is used. Usually process controllers used in instrumentation systems are not equipped to directly accept milliamp input signals, but rather voltage signals. For this reason a precision resistor is connected across the input terminals of the controllers to convert current signals from transmitters into standardized analog voltage signals that controllers can understand.

A voltage signal range of 1 to 5 volts is standard, although some models of controllers use different voltage ranges and therefore require different precision resistor values. If the voltage range is 1-5 volts and the current range is 4-20 mA, the precision resistor value must be 250 ohms.

In the transmitter wire configurations discussed above, it is assumed that a voltage signal range of 1-5V and a standard current signal of 4-20mA are used.

4-20 mA Transmitter Types With Wiring Illustrations

If you are involved in the installation, setup and maintenance of process measurement instruments in the field or in plant process control applications, it is imperative for you to know the three types of 4-20 transmitters (2, 3, 4 wires) and how each is wired. This knowledge may be useful when you are troubleshooting for a problem in the loop where you need to know beforehand how the transmitter is energized. Although 2 wires 4-20 transmitters are common in applications, you may encounter an application with 3 or 4 wires transmitters, where you have to troubleshoot for a measurement error and fix it. 

credit to : https://www.instrumentationtoolbox.com/

#instrumentation #processcontrol #4to20mawiring #4-20mawiring

#custronics #ledsafetyscoreboard #safetyfirst #OSHAscoreboard

LED Display System Design & manufacturer 
CUSTRONICS
Engineered & Assembly in Malaysia
https://www.facebook.com/JTTechtronics/
https://www.custronics.com

Jim Loo https://Www.wasap.my/60163199391

#custronics #jttechtronicssdnbhd #PPMdisplaypanel #MPMDisplaypanel #KPIdisplaypanel #productiondisplaypanel #leddisplaypanel #malaysialed #leddisplaypanelmalaysia #leddisplaymalaysia #leddisplayboardmalaysia #leddisplayboard #productiondisplayboard #productiondisplaymalaysia #rs232display #rs485display #mqttdisplay #andonsystem #andondisplay #andonleddisplay

Occupational Safety (OSHA) LED Digital Electronics Factory Safety scoreboard l Safety First Digital Signage l Safety First Auto Count Safety ( OSHA ) Scoreboard l LED digital factory display

Occupational Safety First Auto Count Safety ( OSHA ) Scoreboard

Visually keep track of your safe working days with the Custronics Auto-count safety scoreboard that has selling 50 types of the electronic scoreboard market for years and the best part - it's been upgraded!

Advantage of Occupational Safety (OSHA) LED Digital Safety scoreboard

Eliminate the manual process of erasing and writing in the number of safe days, Digital Safety Scoreboards provide an automated update system.

Promote safety and inform employees of how many consecutive days your business has run accident free. Safety scoreboards automatically track your facility’s safety performance while motivating your workforce to heighten their safety practices everyday to encourage workers to exceed their previous safety record. Installing safety scoreboards in your facility can help motivate and inspire your workers by increasing accident awareness to maintain a safe work environment. These eye catching scoreboards can be used in all types of factories, warehouses, offices and construction sites

#custronics #ledsafetyscoreboard #safetyfirst #OSHAscoreboard

LED Display System Design & manufacturer 
CUSTRONICS
Engineered & Assembly in Malaysia
https://www.facebook.com/JTTechtronics/
https://www.custronics.com

Jim Loo https://Www.wasap.my/60163199391

#custronics #jttechtronicssdnbhd #PPMdisplaypanel #MPMDisplaypanel #KPIdisplaypanel #productiondisplaypanel #leddisplaypanel #malaysialed #leddisplaypanelmalaysia #leddisplaymalaysia #leddisplayboardmalaysia #leddisplayboard #productiondisplayboard #productiondisplaymalaysia #rs232display #rs485display #mqttdisplay #andonsystem #andondisplay #andonleddisplay

IoT Smart LED TV Super Wide Bar Screen powered by Custronics | JT Techtronics Sdn Bhd | Built in Cloud base management system

Newly imported 36.5-inch parking lot smart bar screen? (38/Stretched Bar screen LCD )

With the continuous development of science and technology, strip screens are increasingly used in various places. Among them, 36.5-inch parking lot smart wide stretched display have been widely used in parking lot management systems. As a high-end display device, its maintenance and upkeep are particularly important.

Stretched bar LCD screen

As a new type of vehicle-mounted device, the 36.5-inch parking lot smart bar screen is thin, lightweight, vibration-resistant, and weatherproof, and customize according the client needs. It can not only provide basic navigation, music, and other functions, but also support a variety of intelligent functions, such as video playback, voice recognition, etc., to improve driving safety, improve the utilization of space in the car, and improve the quality of onboard equipment. The 36.5-inch parking lot smart bar LCD has a wide range of application scenarios and can provide drivers and passengers in the car with a better car experience. In order to ensure the long-term stable operation of the 36.5-inch parking lot smart strip screen.

Stretched bar LCD

1. Keep it clean

It is crucial to keep the surface of the 36.5-inch parking smart stretched LCD screen clean. Avoid using a damp or dry hard cloth to wipe the screen, as these may cause scratches or create static electricity. The correct method is to use a professional screen cleaner and a soft dry cloth to gently wipe the screen in one direction. Additionally, the screen surface should be cleaned regularly to remove dust and dirt.

Stretched LCD display

2. Avoid strong direct sunlight

Although the high-definition 36.5-inch parking lot smart stretched strip screen can display clearly under various light conditions, strong direct sunlight may cause damage to the screen. Prolonged exposure to sunlight may cause screen aging, resulting in color distortion or reduced brightness. Therefore, in the parking lot, you should ensure that the 36.5-inch parking lot smart stretched bar screen avoids direct exposure to sunlight.

Stretched LCD screen

3. Pay attention to temperature and humidity

The performance of the 36.5-inch parking lot smart stretched strip screen is greatly affected by temperature and humidity. High temperature and humidity may cause water mist or water droplets to appear on the screen, affecting the clarity and usability of the screen. Therefore, in the parking lot, you should ensure that the ambient temperature and humidity are appropriate and avoid extreme temperature and humidity environments.

Stretched LCD bar screen

4. Stability of the power supply system

The normal operation of the 36.5-inch parking lot smart stretched bar screen requires a stable power supply. An unstable power supply may cause screen malfunction or damage. Therefore, it is very important to ensure the stability of the parking lot power supply system.

Stretched bar LCD

5. Timely maintenance

Once the 36.5-inch parking lot smart stretched bar screen fails, it should be repaired as soon as possible. Professional technicians can take corresponding maintenance measures according to the type of fault to minimize the extent of equipment damage. If immediate repair is not possible, the screen should be replaced with a backup device to ensure proper operation of the parking lot.

 LED Display System Design & manufacturer 

CUSTRONICS
Engineered & Assembly in Malaysia
https://www.facebook.com/JTTechtronics/
https://www.custronics.com

Jim Loo https://Www.wasap.my/60163199391 #
 #custronics #jttechtronicssdnbhd #PPMdisplaypanel #MPMDisplaypanel #KPIdisplaypanel #productiondisplaypanel #leddisplaypanel #malaysialed #leddisplaypanelmalaysia #leddisplaymalaysia #leddisplayboardmalaysia #leddisplayboard #productiondisplayboard #productiondisplaymalaysia #rs232display #rs485display #mqttdisplay #andonsystem #andondisplay #andonleddisplay #ledmessageboard #queuemanagementsystem #qmsmalaysia #sistemangkagiliran #queuesystem

Electronics LED MPM Display Panel Parameter Setting | NPN | PPM Digital indicator rotary encoder | LED Display Panel

What type of rotary encoder of our LED display a rotary encoder able to support? with an LED display panel in the context of a manufacturing execution system (MPM). Rotary encoders are input devices that can be used to control various parameters or functions in industrial settings, including LED display panels. specifics of programming and hardware setup can vary based on the brand and model of your LED display panel, as well as the type of rotary encoder you are using. Always refer to the user manuals and technical documentation provided by the manufacturers for detailed guidance specific to your equipment.

Program the control system of Custronics LED MPM/PPM display panel to interpret the signals from the rotary encoder correctly. you may program according shown in the video on type of the signals from the encoder.

#custronics #mpmdisplay #rotaryencoder #ppmdisplay #spmdisplay #cpmdisplay #malaysiamade

LED Display System Design & manufacturer 
CUSTRONICS
Engineered & Assembly in Malaysia
https://www.facebook.com/JTTechtronics/
https://www.custronics.com

Jim Loo https://Www.wasap.my/60163199391 #
 #custronics #jttechtronicssdnbhd #PPMdisplaypanel #MPMDisplaypanel #KPIdisplaypanel #productiondisplaypanel #leddisplaypanel #malaysialed #leddisplaypanelmalaysia #leddisplaymalaysia #leddisplayboardmalaysia #leddisplayboard #productiondisplayboard #productiondisplaymalaysia #rs232display #rs485display #mqttdisplay #andonsystem #andondisplay #andonleddisplay #ledmessageboard #queuemanagementsystem #qmsmalaysia #sistemangkagiliran #queuesystem