Programmable Logic Controllers (PLCs) plays a critical role in controlling machinery and processes in various industries. Despite PLC functions remaining consistent across the globe. The choice of specific PLC brands and models varies by region due to varying factors. These factors include: local industry demands, availability, historical preferences, and regulatory standards. This article explores the most commonly used PLCs in five industrialized countries: the United States, the United Kingdom, Mexico, China, and Japan.

Countries

United States

In the United States, several key players dominate the automation industry. Allen-Bradley and Schneider Electric make up the two biggest domestic manufacturers. Additionally, factories across the US use Germany’s Siemens.

Manufacturers

United Kingdom

The UK’s industrial sector reflects a mix of international and European influences. Primarily the Germany company, Siemens leads the market with Allen-Bradley and Mitsubishi Electric also widely used.

Manufacturers

• Siemens: The SIMATIC S7 series remains the most widely used PLC in the UK. Its flexibility, scalability, and robust performance in various industrial environments make it a preferred choice across different sectors.
  
• Allen-Bradley: Allen-Bradley PLCs are also popular in the UK’s automotive and manufacturing industries where there is a strong U.S. influence.
  
• Mitsubishi Electric: Known for their reliability and cost-effectiveness, Mitsubishi Electric’s FX and Q series PLCs see the most usage in small to medium-sized enterprises.

This year the most elite athletes from all over the world come together in Paris, France. There they will spend two weeks competing against one another in the Olympic games. It’s no secret that a lot of planning, work, and effort goes into the Olympics. While the spotlight understandably goes to the athletes and their coaches who compete. The success of the Olympics also hinges on its more technical side. When we talk about the importance of technical operations. Servo amplifiers in the Olympics are crucial componenst that can make or break an event..

Read more: Servo Amplifiers in the Olympics

Servo amplifiers play an essential role in numerous applications within the Olympics. They ensure high precision, reliability, and performance across various sports and event operations. Here are some specific examples of how they are utilized:

Timing Systems

Timing systems like the ones made by Omega, the official time-keeping body of the Olympics, utilize servo amplifiers. Servo amplifiers control precision timing sensors and actuators, ensuring that the timing devices record the start and finish times to the thousandth of a second. This high level of accuracy plays an essential role in determining winners and setting new records. Track, Swimming, and Cycling are a few sports utilizing precision timing systems.

Robotic Cameras and Broadcast Equipment

Servo amplifiers play a big part when it comes to robotics, and the in the Olympics it is no different. Servo amplifiers offer precise and smooth motion for the camera to capture dynamic action from various angles without any shake or jitter. This precision control allows for cameras to pan and move while capturing fast-moving athletes as they make dynamic moves frequently missed by the human eye.

Gymnastics Equipment Calibration

When talking about gymnastics, factors like height, tension, and stability play very important roles in the outcome of gymnastics. Gymnastics requires everything to be precise and correct. This is not just limited to the actions and skill levels of the gymnast but also the equipment that they use. The slightest off set of height from a balancing beam or lack of tension on a line can cause an Olympian gymnast to lose their shot at the gold, if not something more catastrophic. The capability of servo amplifiers to adjust these factors with precise accuracy not only prevent unforeseen accidents, but also ensuring that someone takes home the gold!

Automated Training Simulators

High-end training simulators, such as rowing machines and treadmills used by athletes, often incorporate servo amplifiers. These amplifiers control the resistance and movement of the machines, providing athletes with consistent and precise feedback during their training sessions. For example, a rowing machine with a servo amplifier can accurately simulate the resistance of water, helping rowers to train more effectively.

Conclusion

Servo amplifiers are indispensable in the Olympic Games, providing the precision, reliability, and efficiency necessary for various applications. From timing systems and robotic cameras to training equipment and training systems, servo amplifiers enhance the overall performance and fairness of the competitions. As technology continues to advance, their role is set to become even more significant, contributing to the ever-evolving landscape of the Olympics.

Need a Servo Amplifier?

Have a tasks that requires peak levels of precision and functionality? Reach out to our team by phone: (800) 691-8511 or by email: sales@mroelectric.com. Check out our website www.mroelectric.com for more information on other products.

The fast-paced world of industrial automation remains constantly in motion.  In an environment that moves fast, the ability to diagnose and quickly control a fault remains crucial to operating an industrial machine efficiently and safely. Having a servo amplifier safety features saves money, time, and lives in the long run.  

Read more: Servo Amplifier Safety Features

Before we get into the multiple safety features of servo amplifiers. If you are not familiar with servo amplifiers, this article covers the fundamentals of what servo amplifiers are. Definitely give it a read over!

Overcurrent Protection

Overcurrent protection exist as the most fundamental safety feature found on servo amplifiers.   This mechanism prevents excessive current from flowing through the amplifier. Excessive current flows occur due to short circuits or sudden surges in demand. When an amplifier detects overcurrent,it shuts down or reduces power. This avoids overheating and potential damage to the motor and the amplifier itself. This not only preserves the lifespan of the components but also mitigates fire hazards associated with electrical overloads.

Thermal Protection

Another safety feature found in servo amplifiers, thermal protection use integrated sensors to monitor servo amplifier temperatures. These sensors initiate protective measures if temperatures rise above safety thresholds.  This usually involvesreducing the power output, activating cooling fans, or even shutting down the amplifier to prevent thermal runaway and damage. Effective thermal management ensures continuous, reliable operation and extends the equipment’s service life.

Over/Under Voltage Protection

Overvoltage conditions can arise from fluctuations in the power supply or regenerative energy from the motor, potentially damaging sensitive electronic components. Undervoltage situations can impair the amplifier’s performance, leading to erratic motor behavior. By monitoring and maintaining voltage within safe limits, these protective mechanisms ensure stable and predictable operation, safeguarding both the amplifier and the connected motor.

Fault Detection and Diagonistic

Advanced servo amplifiers often incorporate fault detection and diagnostic capabilities.  These systems continuously monitor operational parameters and can identify anomalies such as motor stalls, feedback errors, or communication failures. When a fault is detected, the amplifier can trigger alarms, log diagnostic information, and take corrective actions such as switching to a safe state or performing an emergency stop. This proactive approach to fault management not only prevents potential damage but also aids in troubleshooting and maintenance, reducing downtime and operational costs.

Conclusion

 The safety features integrated into modern servo amplifiers are essential for protecting equipment, ensuring safe operation, and enhancing overall system reliability. Overcurrent and thermal protection, voltage regulation, and advanced fault detection are just a few examples of how these features work together to mitigate risks and extend the life of both the amplifiers and the motors they control. As technology advances, we can expect even more sophisticated safety mechanisms to emerge, further improving the safety and efficiency of servo-driven systems.

Have a Broken Servo Amplifier?

A brief guide for common Fanuc servo amplifier alarm codes can be found here. For any inquiries regarding repair or replacement, our team is available by phone: (800) 691-8511 or by email: sales@mroelectric.com.

When thinking about automation, we imaigne massive warehouses housing automation lines that have conveyer belts snaking every which way.  Large robotic arms constantly move back and forth as they commit to the same repeated task over and over again.  You probably imagine sparks flying in the air as robotic arms weld parts to march larger machine bodies. The sight of a manufacturing facility may overstimulate the senses. The flashes of light, the sound humming and grinding, and the smell of various mechanical fluids in the air.  With so much stimulation, it’s understandable as to why people overlook the comparatively small but very crucial amplifier.  After all these small devices sit tucked away hidden from sight. Nonnetheless they perform the very important function of orchestrating tasks to other units with extreme precision. 

Read more: The Basics of Servo Amplifiers

The History of Servo Amplifiers

The history of servo amplifiers dates back to the 1920s where their original exploration largely targeted aviation and military applications.  During the bulk years of WWII during the 1940s, early servo mechanisms saw their use controlling gun turretts and radar.  Notice how I said “”servo mechanisms,” that’s because these weren’t quite the servo amplifiers that we are familiar with today. Instead they required hydraulic and manual action.  The end of the 40s and into the 1950s saw the development of the first electronic servo amplifier. The servo amplifier stood as a vast improvement compared to its predecessor, in regards to precision and reliability. 

The 1960s and 70s brought the invention of the semiconductor and with that the next evolutionary step for servo amplifiers.  In 1969 the company, Modcon, built the first Programmable Logic Controller (PLC). Not only did the PLC revolutionize the automation industry but it also paved the way for more sophisticated control systems. By the 1980s, the integrating of digital signal processing (DSP) furthered the capabilities of servo amplifiers. By the 1990s, servo amplifier connectivity and communication made it an irreplaceable asset to industries across the globe.

How Do Servo Amplifiers Work

At the core of its functionality, the servo amplifier is a feedback device.This system relies on sensors, typically encoders or resolvers, to provide real-time data on the motor’s performance. The feedback loop continuously compares the actual position, speed, and torque of the motor with the commanded values from the control system.The servo amplfifier corrects any discrepencies by adjusting the power output accordingly. This closed-loop system ensures high precision and responsiveness, enabling complex and delicate tasks to be performed with ease.

Servo amplifiers come in various types, each suited to specific applications. Analog servo amplifiers, for example, control motor operations using continuous signals. Digital servo amplifiers, on the other hand, offer greater flexibility and precision by utilizing digital signals and advanced algorithms. These digital models often feature programmable settings, allowing for customization to meet the specific requirements of different tasks. Additionally, hybrid servo amplifiers combine elements of both analog and digital systems, providing a balance of performance and versatility.

The applications of servo amplifiers are vast and varied. In industrial automation, servo amplifiers control robotic arms, conveyor belts, and CNC machines, where precision and repeatability are essential. In the aerospace industry, servo amplifiers are critical for controlling the movements of aircraft components, such as flaps and landing gear. Servo amplifiers also find use in the medical field, where they enable the precise operation of surgical robots and diagnostic equipment. The ability to provide exact control over motor functions makes servo amplifiers indispensable in any field requiring high-precision motion control.

Conclusion

In summary, servo amplifiers are crucial devices in the realm of motion control, offering unparalleled precision and reliability. By continuously adjusting power based on feedback from sensors, they ensure motors operate efficiently and accurately. The variety of servo amplifier types allows for their use in a wide range of applications. This ranges from industrial automation to aerospace and medical technology. As technology advances, the role of servo amplifiers is expected to grow. Further enhancing their importance in achieving precise and efficient motor control.

Have a Broken Servo Amplifier?

A brief guide for common Fanuc servo amplifier alarm codes can be found here. For any inquiries regarding repair or replacement, our team is available by phone: (800) 691-8511 or by email: sales@mroelectric.com.

Servo amplifiers play a diverse number of roles across multiple industries.  Surprisingly some of the industries that utilize servo amplifiers are ones that a lot of people don’t really think about. However, without servo amplifiers these industries stand completely inept of any production. We’ve compiled a list of industries that heavily utilize servo amplifiers and the use they have across industries.  Some of these industries may seem obvious while others may actually surprise you. 

Read more: Industries that See the Most Use of Servo Amplifiers

Manufacturing and Automation

Probably the most obvious industry utilizing servo amplifiers are the manufacturing and automation industries. Industries in this sector often utilize advanced machinery to execute sophisticated task that require precision.In the industrial sector, servo amplifiers allow CNC machines to mill out metal to consistently specific sizes, while automated arms handle hazardous material.

Automotive

Multiple aspects of the car industry utilize servo amplifiers.  Aside from the manufacturing process, servo amplifiers see use in car washing machines, on equipment that perform car maintenance, and even car vending machines!

Medical Devices

Servo amplifiers have their place in the medical field as well.  They allow precise imaging control in CT, MRI, and XRay machines.  Additionally, the precision of servo amplifiers has found use in robotic surgery.

Packaging

Probably not as prominently thought of when discussing the applications of servo amplifiers, but an array of machinery see their applications across the industry.  Package filling machines utilize servo amplifiers for precisely distributing packing foam.  Servo amplifiers see their use in label printing and application machines. For bulkier packaging equipment, the use of servo amplifiers in pallet wrapping and lifting plays a vital role in keeping employees safe while efficiently working.

Renewable Energy

The environmental impact of automation has always come under scrutiny from opponents of industrialization as well as those concerned with climate and environmental issues. The question of sustainable energy exists as the primary topic of debate within the broader environmental discussion.  Servo amplifiers have found a niche place in the renewable energies sector.  Wind turbines use then for controlling pitch and yaw allowing for optimal energy capturing.  Additionally,servo amplifiers find use in solar panels tracking the position of the sun with precise accuracy.  

Food and Beverage

Servo amplifiers play a big role in the production of some of our favorite snacks and drinks.  Sensors allow for precise measurements of distribution to each package.  Not only that but they also dictate temperature and time ensuring that we get the most enjoyment ouf of the foods we enjoy.  Additionally, these servo amplifiers manage the sealing and labeling of food packages.

Conclusion

Multiple industries use servo amplifiers for task that crucially need precision, efficiency, and automation. Their ability to provide accurate control of motors and actuators makes them indispensable in modern industrial applications. As technology continues to advance, the use of servo amplifiers is likely to expand into new and emerging fields, further enhancing productivity and precision.

Servo motors exist as a crucial component in industrial automation.  Without them the entire industry sits at a literal standstill. For this reason engineers design modern servo motors with durability and longevity in mind.  That being said, the demands of the industry vary and longevity as a concept is only relative to what is being demanded.  Maintenance and environmental factors also play a role in the life span of a servo motor.

Read more: How to Extend the Life of a Servo Motor

Here are some common faults with server motors as well as a few suggestions on maintaining and extending the life of your servo motor.

Common Faults

Ways to Extend the Life of Your Servo Motor

• Preventative Maintenance: Regular cleaning, inspection, and lubrication (if applicable) can catch problems early and keep your servo motor running smoothly.
• Reduce Load and Strain: Don’t overload the servo motor beyond its capacity. If possible, use a servo motor with a higher torque rating than the minimum required for your application.
• Manage Temperature: Ensure proper ventilation around the servo motor to prevent overheating. You might need to adjust operation cycles or add cooling fans in high-stress environments.
• Limit Travel Extremes: Avoid constantly running the servo motor to its full range of motion. This can put extra stress on the gears and motor windings.
• Use Shock Absorbers: If the servo motor deals with impacts at the end of its travel, consider adding shock absorbers to absorb impact and reduce stress.
• Choose the Right Servo: Select a servo motor with specifications that match your project’s needs. Consider factors like torque, speed, and operating voltage.
• Proper Power Supply: Ensure a steady and appropriate voltage supply to the servo motor. Fluctuations can damage internal components.

While the majority of servo motors are designed to withstand a lot of punishment put out by the demands of production they still retain a lifespan. This lifespan varies based on a myriad of factors from environmental to basic maintenance. The importance of regular maintenance and preventative care to servo motors will not only extend the lifespan of their service, but also save a company a lot of money in the long run.

Have a Broken Server Motor?

MRO Electric offers services for repairs and part replacement. A customer representative can be reached by phone: (800) 691-8511.

Introduction

Understanding FANUC servo amplifier alarm codes is crucial for maintaining peak performance in CNC (Computer Numerical Control) machines. These alarm codes serve as warning signals, indicating potential issues within the servo amplifier system. Ignoring or misinterpreting these alarms can lead to costly downtime, decreased productivity, and even damage to the machinery.

By comprehensively understanding these alarm codes and their associated troubleshooting measures, machine operators and maintenance personnel can swiftly address issues. This minimizes disruptions to production schedules and ensuring the longevity of the equipment.

Read more: A Guide to FANUC Servo Amplifier Alarm Codes

Understanding FANUC Servo Amplifiers

FANUC servo amplifiers are integral components of CNC (Computer Numerical Control) machines. These amplifiers are responsible for controlling the movement of servo motors, which are pivotal in driving the various axes of motion within the CNC system.

Servo amplifiers receive signals from the CNC controller and translate them into precise voltage and current outputs to drive the servo motors accurately. This precise control is essential for achieving the exact positioning, speed, and torque required for machining operations.

The significance of FANUC servo amplifiers lies in their ability to translate digital commands into precise mechanical motion, ensuring the repeatability and accuracy demanded by modern manufacturing processes. Servo amplifiers play a critical role in achieving optimal performance in CNC operations. That includes producing complex parts with tight tolerances or executing high-speed machining tasks.

Understanding the function and operation of FANUC servo amplifiers is fundamental for CNC machine operators and maintenance personnel. It allows them to troubleshoot issues effectively, optimize performance, and maintain the reliability and precision of the machinery throughout its operational life.

Troubleshooting FANUC Servo Amplifier Alarms

When troubleshooting FANUC servo amplifier alarms, it’s essential to follow a systematic safety procedures to identify and resolve issues effectively. Here are some basic tips to consider:

Prepping to Troubleshoot

1. Safety First: Before starting any troubleshooting procedures, ensure the CNC machine remains powered off and safely isolated from the power source. Furthermore, follow all recommended safety procedures. This includes using appropriate personal protective equipment (PPE) when working with electrical components.
2. Refer to Documentation: Consult the FANUC servo amplifier manual or documentation provided by the manufacturer for specific alarm code definitions, troubleshooting steps, and safety precautions. Familiarize yourself with the layout and components of the servo amplifier system.

Checking Equipment

1. Check Connections: Inspect all electrical connections, including power cables, signal cables, and feedback cables, for any signs of damage, looseness, or corrosion. Ensure that connections are secure and properly seated.
2. Review Alarm Codes: Take note of the specific alarm code displayed on the CNC machine’s control panel or diagnostic interface. Cross-reference the code with the manufacturer’s documentation to determine the potential cause of the alarm.
3. Inspect Servo Motors: Check the servo motors for any mechanical issues such as binding, excessive wear, or damage to the shafts, couplings, or encoders. Next, check the motors for proper lubrication and potential debris.
4. Test Power Supply: Verify that the power supply to the servo amplifier remains stable and within the specified voltage range. Use a multimeter or other appropriate testing equipment to measure voltage levels and identify any fluctuations or abnormalities.
5. Reset Alarms: In some cases, resetting the alarm may temporarily clear the fault condition and allow the machine to resume normal operation. Make sure to do this after identifying and addressing the underlying cause of the alarm.

Documentation

1. Document Findings: Keep detailed records of the troubleshooting process, including observations, measurements, and actions taken. This information may prove valuable for future reference and for communicating with professional technicians if needed.
2. Know When to Seek Help: If you encounter alarm codes or issues that you are unable to resolve , it’s important to seek assistance from qualified professionals or FANUC-certified technicians. Moreover, attempting complex repairs without the necessary expertise can lead to further damage or safety hazards.

Encountering an Issue with Your FANUC Servo Amplifier?

Get expert assistance now, to minimize downtime and keep your operations running smoothly. MRO offers a wide range of repair services and replacement parts.

Common FANUC Servo Amplifier Alarm Codes

Alarm	Description
0 PLEASE TURN OFF POWER	A parameter which requires the power off was input, turn off power.
1 TH PARITY ALARM	H alarm (A character with incorrect parity was input). Correct the tape.
2 TV PARITY ALARM	TV alarm (The number of characters in a block is odd). This alarm will be generated only when the TV check is effective.
3 TOO MANY DIGITS	Data exceeding the maximum allowable number of digits was input. (Refer to the item of max. programmable dimensions.)
4 ADDRESS NOT FOUND	A numeral or the sign “ – ” was input without an address at the beginning of a block. Modify the program.
5 NO DATA AFTER ADDRESS	The address was not followed by the appropriate data but was followed by another address or EOB code. Modify the program.
6 ILLEGAL USE OF NEGATIVE SIGN	Sign “ – ” input error (Sign “ – ” was input after an address with which it cannot be used. Or two or more “ – ” signs were input.) Modify the program.
7 ILLEGAL USE OF DECIMAL POINT	Decimal point “.” input error (A decimal point was input after an address with which it can not be used. Or two decimal points were input.) Modify the program.
9 ILLEGAL ADDRESS INPUT	Unusable character was input in significant area. Modify the program.