A good digital output from the encoder will look like the waveform shown in Fig. IITN 4105 - Process Measurement I This course is designed to introduce learners to the terminology, concepts and techniques of industrial process measurement. This automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program.Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. POSSIBLE CAUSES: Pigment settles over time and gives the appearance of being the … In response to this, their thoughts should go to their own actions and what they can do to help protect you. I find it very irritating when I try … Certain common techniques can help with the task of troubleshooting. This is a powerful troubleshooting method, because it gives you both a positive and a negative indication of the swapped component’s fault: when the bad part is exchanged between identical systems, the formerly broken subsystem will start working again and the f… An advanced study of the techniques used in troubleshooting various types of industrial equipment to include mechanical, electrical, hydraulic, and pneumatic systems and their control devices. For the convenience of customers who order Troubleshooters.Com courseware, a print version of this book is available for special order in quantities of 10 or more. Print Version Special Orders. These documents should be studied before a problem arises so that you are familiar with the organization of the manuals and where to find specific information. 2. STANDARD CLASS SIZE: NTT recommends a course size of 12 participants for the best results. Covers working with others, aids in communication, and trade responsibilities. Don’t Let Arcing Ground Faults Sneak Up on You, Contact Voltage Testing: Tricks of the Trade, Unsafe Conditions in Start-Up Testing and Commissioning — Part 8, Unsafe Conditions in Start-Up Testing and Commissioning — Part 5, Unsafe Conditions in Startup Testing and Commissioning — Part 3, Unsafe Conditions in Startup Testing and Commissioning — Part 2, Unsafe Conditions in Startup Testing and Commissioning — Part 1. These voltage pulses, which are essentially square waves, have fast-rising edges that can cause transient voltage reflections in the cable between the VFD and the motor. 6). Outlines troubleshooting techniques and aids, using schematics and symbols. They follow certain logical steps when looking for a defect in a piece of equipment. Understanding how each component in the battery charger operates is crucial to solving a problem with the charger and will also help in solving the … Using Simutech’s 5-Step Troubleshooting Approach, master effective testing methods and techniques for safely troubleshooting malfunctions in a typical industrial control system. You need answers fast, but it’s unclear where the problem lies. 7). Troubleshooting is a process that starts at the source of input and ends at the output. Notes: This simple troubleshooting technique is applicable to a wide variety of electrical, electronic, and other types of systems: swap the suspect component with an identical component known to be functional, and see observe whether or not the problem changes location.. Practical experience will be gained through case studies and troubleshooting exercises associated with various labs. How do most skilled personnel gain experience and perfect their troubleshooting abilities? Explain repair techniques for wires, terminals, and connectors. We then connect the oscilloscope so it captures the signals from the proximity switch on the first channel and the output pulse from the controller on the second channel (Fig. Do not forget common sense. To take a reading with an oscilloscope, connect the scope to the motor terminals between phases T1, T2, or T3, just as you did with the multimeter. One of the most important factors in doing this, is the approach used. This would tell you the fault is in the AC supply, not the PSU. The well-trained operator may play a key role in assisting you with the controls. Experienced technicians have developed a method for troubleshooting. Then, connect channel B to the power supply’s DC output voltage. To expertly troubleshoot electrical equipment, problems must be solved by replacing only defective equipment or components in the least amount of time. ESBN: C60-87DN-00KT-0900 (Unlimited users, site license version available.After 3 sections on introduction with audio narration on how to troubleshoot and learning proper electrical troubleshooting techniques, user practice with virtual VOM (volt ohm meter). Select the term(s) that describe what you are experiencing. Just like many manufactures, AIS battled with the accuracy, subjectiveness and clarity of their equipment data, analysisâ and overall utilization. There are many basic troubleshooting techniques you can use to fix issues like this. As this article will demonstrate, the use of a digital oscilloscope can help speed up the troubleshooting process for industrial control systems and be more effective in pinpointing the exact nature of the problem.\. However, none of this information helps diagnose the real problem. Without verification, parts and/or components maybe replaced unnecessarily, leading to more time and expense. With the right approach much more detail will be disclosed on future problems. Let’s assume the load current exceeds the maximum rating of the power supply at 16 hr, 33 min., and 59 sec, which causes it to drop out (Fig. Katherine Bonfante is senior digital editor for Control and Control Design. Why is my bearing making noise and what is brinelling, anyway? Troubleshooting is a systematic approach to solving a problem. Using a DMM, you measure the line input voltage, and see that it looks fine. Is it directly proportional to the peak of the input line voltage? You really need more information before you can proceed. The biggest step a company can take toward minimizing unexpected equipment failure is to implement a thorough preventive maintenance routine using a Computerized Maintenance Management software (CMMS) like ManagerPlus. Let's start with the motor drive. Troubleshooting Techniques of the Successful Technologist. 4. Experienced technicians have developed a method for troubleshooting. IT Pro Guide to the Most Common Network Troubleshooting Techniques and Best Practices By Staff Contributor on September 23, 2019. SE, Grand Rapids, MI 49512 p 616.698.7500 f 616.698.9411 © 2017 All Rights Reserved, Building Automation and Off-Site Construction. In this example, let’s say the “error” LED on a DC power supply has turned on. This article presents an overview of a simple, but effective, method of investigating an electrical problem. To best take advantage of this service you should have done your research before placing the first call. About the Author: Warren Rhude is president of Simutech Multimedia Inc. an e-learning company that develops computer based training simulations for electrical troubleshooting. The error code on the device is “F4,” which means the drive has detected an “undervoltage” condition. This confirms the problem doesn’t lie with the VFD or the motor. With an emphasis on maintenance personnel versatility, Industrial Maintenance is a comprehensive source of fundamental system operation, maintenance, and troubleshooting information. In this example, a failing mechanical proximity switch is causing erratic operation in a conveyor system. Establishing this theory may take more time if you are unfamiliar with the system or equipment. Introduction; Units and Measures; Ducts; Fans; Hoods; Air Cleaning Devices; Installation and Maintenance (general) Troubleshooting; Glossary of Common Terms COLOR ISSUES: The coating appears to be the wrong color in the pail. This system simulation gives you the chance to learn and practice new methods as you troubleshoot large industrial processes containing electro-mechanical controls. A modern digital oscilloscope can give you a lot of the same numerical information as a DMM, including the pulse voltage and frequency information noted above. In this lesson, we'll show you some simple things to try when troubleshooting, as well as how to solve common problems you may encounter. A prerequisite to troubleshooting is the knowledge and understanding of the equipment. Weekly general troubleshooting techniques: Learn how to troubleshoot manufacturing equipment by 'Perform Testing' and our 5-step process. Industrial machinery mechanics use technical manuals, their understanding of industrial equipment, and observation to determine the cause of a problem. Unfortunately, even the best DMM can’t show you what the waveforms actually look like. Learning is an active process, with students at every skill level using computer simulations and real live industrial equipment. While these programs may vary in teaching methods, effective troubleshooting, regardless of the specific technology, follows five basic steps. Basic troubleshooting strategies This worksheet and all related ﬁles are licensed under the Creative Commons Attribution License, version 1.0. This ends up being a simple problem to fix. A good damage control plan ensures that you won't make anything worse. Let’s say when you check the drive’s DC bus voltage, you find that it’s about 20% under the nominal value. Let’s assume you see the AC line voltage is a perfect sine wave. 1. Instead, faulty switch contacts are bouncing on and off for about 5 msec before the output signal stabilizes. For example, let’s say a VFD on a critical system has a fault indication. The troubleshooting process commonly starts with a process alarm, which alerts the operator that the process has exceeded a predefined process limit, such as a high process level, pressure, or temperature. AutoQuiz is edited by Joel Don, ISA's social media community manager.. The pulse waveforms are well-formed and free from electrical “noise” (Fig. • Eliminate duplicate troubleshooting (Same problem appearing on different shifts) • Reduce Downtime due to more effective repair of malfunctions. The higher the voltage, the higher the signal appears on the oscilloscope screen. “Zooming in” on the signal (Fig. Focuses on specific maintenance tasks, breakdown maintenance, and planned maintenance. Statement of the problem. These technique are not intended to be a checklist, but rather a thought process to approach problem solving. But what if the AC line voltage input is OK over a significant period of time? 4. This chapter describes the strategy of good distillation troubleshooting practices and outlines the prime tools applied for distillation troubleshooting. The first reaction for most electricians would be to reach for their digital multimeter (DMM) to start the troubleshooting process. Adopting a logical and systematic approach such as the 5 Step Troubleshooting Approach can help you to troubleshoot like an expert! The following describes a lean approach to troubleshooting. If the answer is operator error or incorrect use of equipment, additional training for personnel may be necessary. 4 Tips for Troubleshooting Central Vacuum Cleaning Systems. After connecting a DMM to the output of the conveyor belt controller (which receives its input from the proximity switch), we see the “voltage peak max” and “voltage peak min” readings show the switch is turning on and off as expected. In a system with identical or parallel subsystems, swap components between those subsystems and see whether or not the problem moves with the swapped component. Place a current clamp around one of the DC supply conductors and connect the clamp to channel A of the oscilloscope. What is burnishing and why is it important? However, that’s not always the right move. Explores the subject of troubleshooting and the importance of proper maintenance procedures. For example, the incorrect use of test equipment or the inability to read prints will lead to the wrong conclusions when testing electrical circuits. Next, you check the DC output voltage. There maybe more options available than what is initially thought. To check the voltage, connect the multimeter at the motor terminals between phases L1, L2, or L3. Develop an understanding of what really occurred and what exactly failed. Because no problems are immediately obvious, your next move is to check the PSU’s input and output waveforms over time. 8) reveals that the output from the proximity switch (lower trace) isn’t changing from OFF to ON in a single transition (red circle). However, when you come back 2 hr later, you see that the fault indicator LED is lit again. Traditional troubleshooting techniques have not kept pace with this equipment though. How to adjust the airgap on an industrial clutch. VFDs control the speed of machinery and processes by varying the width of (i.e., “modulating”) the voltage pulses they send to motors. Your troubleshooting task is to determine if the problem is the power supply, the input supply voltage, or a load change on the demand side of the unit. Mechanical switch contacts deteriorate over time, because they are subject to mechanical wear. To avoid this mindset, meet with operators in the affected area and ask them to point out dangers you might encounter. COLOR ISSUES DRY SPRAY DRYING/CURING ISSUES SHEEN ISSUES SOLVENTS TO REDUCE & CLEAN UP COATING. Verify that the machine safety guards and components are restored to their original condition. IBT Industrial Solutions Mechanical Troubleshooting: How To Diagnose A Machine Failure and Increase Machine Up-Time After Repairs is one of our established training programs. Industrial Troubleshooting Tips. 6 Maintenance Troubleshooting Techniques Made Simple with CMMS by ManagerPlus on December 8, 2014 The biggest step a company can take toward minimizing unexpected equipment failure is to implement a thorough preventive maintenance routine using a Computerized Maintenance Management software (CMMS) like ManagerPlus. a laptop computer with plc programming, communication, and operating programs are a necessary tool in today's modern plant. The following four troubleshooting techniques are popular and widely used to find defects in communication equipment. Look for work orders, notes, and reports. THE BASIC TROUBLESHOOTING STRATEGY The Basic Troubleshooting Strategy will: • Make your troubleshooting more effective. You can email her at email@example.com or check out her Google+ profile. Troubleshooting a mechanical switch that has failed completely (i.e., a “hard fault”) can often be done with just a visual inspection or with simple measurements made with a DMM. Dangers of existing start-up testing vs. green site start-up testing. Statement of the problem. If it does, you’ve just swapped the faulty component; if it doesn’t, keep searching! • check voltage at the motor connections in the Industrial Maintenance and Troubleshooting has long been a trusted textbook for maintenance technicians. Recent Troubleshooting Tips . Without testing to ensure that the problem has been corrected, there is no way of knowing that the repair was successful. For the second year in a row, Stiles Machinery has been awarded the Gold HIRE Vets Medallion from the United States Department of Labor.Â Â Being one of only 675 companies nationwide to be awarded the Medallion for 2020.Â Â Â, StilesGear.com Privacy Information Trademarks, Stiles Machinery Inc. 3965 44th St. These voltage reflections are often caused by improper cabling. All rights reserved. GET DEMO. Once the problem area has been isolated, it is important to assure your safety and the safety of others before attempting to manipulate the machine. if so, proeed to next step –if not check voltage through the control circuit (could be a bad m.c. The goal of troubleshooting is to determine why something does not work as expected and how to resolve the problem. Having established that the AC supply voltage is good, your next move would be to check the DC output voltage. Call us at 616.698.7500 for further information or to register! Troubleshooting Industrial Controls Develop the skills to safely troubleshoot complex industrial control systems with electro-mechanical controls. A rotary encoder converts the position of a rotating shaft into a series of digital pulses. Emphasis will be placed on the use of schematics and diagrams in conjunction with proper troubleshooting procedures. Identifying which of the three variables is actually causing the trouble requires an understanding of the system and the application. By Steve Litt. Compatible with smartphone, tablet, PC, Mac even 4kTV! The first important resource you have are other co-workers that may have already repaired such problems. Solution implementation. First, connect the oscilloscope to the power supply’s AC line input terminals and check the input waveform visually for any fluctuation, distortion, or dropouts. When you’re finished, you realize that all of the values appear to be normal. Problem: Power button will not start computer. Check for any distortion or error in peak amplitude of the line voltage, which can cause an over- or undervoltage error. Another resource that is available is the machine documents. Engineering Controls, Monitoring and Troubleshooting Techniques for Industrial Ventilation Systems - ON-DEMAND WEBINAR ACGIH(R) Format: Electronic (digital download/no shipping) Member - $99.00 NonMember - $205.00 + Add to Cart. A general analytical model for troubleshooting is illustrated in Figure 1. The controller is unable to read this jagged voltage correctly, so its output varies broadly (over the time range between the red bars in the top trace). Stiles University offers maintenance and troubleshooting courses on a wide variety of machines. Free online electrical troubleshooting simulator help page. An advanced study of the techniques used in troubleshooting various types of industrial equipment to include mechanical, electrical, hydraulic, and pneumatic systems and their control devices. Perform a practice case study on the Lexus Body Electrical Simulator using the six-step approach. If an existing site has start-up testing, the typical situation is the plant has active processes (operations are not shut down). How to correct an airgap that is too close; How does temperature or engine type affect an electromagnetic clutch or brake? At this point, you decide to swap out the PSU with a known good replacement unit and hope for the best. INDUSTRIAL TROUBLESHOOTING. First check that the source of power to the output module is at the specified level. Step 1, defining the underlying problem to troubleshoot, can sometimes be difficult because processes are big, complicated, and interconnected with various material and energy balances. Covers working with others, aids in communication, and trade responsibilities. Using Simutech’s 5-Step Troubleshooting Approach, master effective testing methods and techniques for safely troubleshooting malfunctions in a typical industrial control system. Share. As this article will demonstrate, the use of a digital oscilloscope can help speed up the troubleshooting process for industrial control systems and be more effective in pinpointing the exact nature of the problem.\ More often than not when the task is finished, other demands for the maintenance personnel will have developed. Instructors and students will find comprehensive and up-to-date information for safely and efficiently locating problems and then troubleshooting online. Chances are, you won't be an expert in repairing these devices, but you can take some practical steps to solve problems and help get your systems operational again in a timely manner. What should you do now? Troubleshooting techniques and aids to troubleshooting Using schematic and diagrams. Succeed at Process Troubleshooting -- Take advantage of five easy techniques to find the root cause of problems. Real-world maintenance problems and solutions are depicted throughout the textbook, along with equipment operation principles, maintenance management procedures, and troubleshooting scenarios for common systems. The alarm’s cause may be unclear: For example, … With the Allen-Bradley simulator lab, you'll be able to execute real world projects on your PC. Many factors affect the size of the reflected waves, including cable length, motor load, the surge impedance of the cable and motor, and the rise time, spacing, and magnitude of the drive pulses. The TSTrainer certificate course was designed to supplement the troubleshooting training modules at the end of each automation training certificate courses in the Koldwater series. Problem analysis. Also, try to get an idea of how equipment works before you embark on troubleshooting. In addition, arcing can cause pitting of the contact surfaces. After connecting the oscilloscope to the output of the controller, it reveals nothing out of the ordinary. The quality of the solution depends on the quality put into the steps. CLASS FORMAT: Lab + classroom The participant is able to “learn-by-doing” in the course; this knowledge can be transferred to the workplace. Although you can use a DMM to measure the peak voltage of a pulse width modulated (PWM) signal, the limited bandwidth of the typical DMM makes measuring pulses with short rise times problematic. With practice of these techniques, down time will most certainly be reduced. 9). Upon inspection of the cabling, we find the cable shield of the controller wasn’t fastened down properly. Troubleshooting Tips . EMI Troubleshooting Techniques (EE Circuit Solutions): Amazon.es: Mardiguian, Michel: Libros en idiomas extranjeros Selecciona Tus Preferencias de Cookies Utilizamos cookies y herramientas similares para mejorar tu experiencia de compra, prestar nuestros servicios, entender cómo los utilizas para poder mejorarlos, y para mostrarte anuncios. Dust and debris are normal byproducts of most industrial processes. Note: Some oscilloscopes require a separation transformer or a differential probe to measure the line input voltage and the DC output voltage simultaneously. The TSTrainer Industrial Electrical and PLC Troubleshooting Course uses real-world electrical and PLC troubleshooting simulations to teach and test maintenance troubleshooting. There will always be the “what if” question in troubleshooting any given system, but taking a logical approach time after time, maintenance personnel can begin to fine tune their skills. Troubleshooting Plan | Electronics Troubleshooting Techniques. The DC power supply unit (PSU) is one of the most critical components in any automation or process system. Inevitably, there are times when one of our production processes encounters a problem that needs to be solved. Section 4 Six-Step Troubleshooting Plan Learning Objectives: Section 4 2 LEXUS Technical Training. Then you need to check the PSU’s DC output voltage. As an industrial electrician, you'll encounter many complex electrical circuits and drives that will break down as they age. Looks like it’s time to break out the oscilloscope again. At the power input of the drive, connect the scope to phases L1, L2, or L3 and the ground lead to neutral, and take a look at the waveform. This value should be within 10% of the rated value. By documenting the problem, the steps to solve it and the repairs that were made will serve as a valuable reference if the same problem occurs in the future. Once you begin your inspection of the equipment, look for signs of damage, including loose components, worn wires, or signs of impact. 1. 7. Let’s say you do this, and it reveals an almost flat-topped sine wave. If you have a DMM with frequency measurement capability, you could also see the rate at which the switch is changing state. The following four troubleshooting techniques are popular and widely used to find defects in communication equipment. How to Troubleshoot like an Expert- A Systematic Approach. At this point, the drive has shut down. Beware of false indicators that can lead one astray. How to Troubleshoot a Network. Many times common sense is over looked and the problem becomes much bigger than it actually is. Network Troubleshooting Best Practices Best Way to Troubleshoot Network Issues. 3). Troubleshooting is a systematic approach to solving a problem. This should include the electrical schematics, pneumatic schematics, operating instructions and parts lists. It should be obvious at this point what the problem is and the necessary steps required to repair the system equipment correctly. The "Troubleshooting Skills" course explores the subject of troubleshooting and the importance of proper maintenance procedures. These seasoned “old-timers” have a great deal of experience and can be helpful in confirming your observations. However, as noted in the previous section, an oscilloscope can also display the voltage change over time. You can check the line input voltage with a DMM, but depending on the type of distortion, a voltage reading alone may not reveal whether a problem exists. An oscilloscope can give you a clearer picture. Through the Great Depression, World WarÂ llÂ and massive changes in the lumber industry,Â Â Scherer Brothers has continued to thrive by thinking outside the box â doing what others did not think to do and finding value in items others threw away. Your next step should be to check the VFD DC bus voltage. This edition has been extensively revised with expanded coverage of troubleshooting techniques and applications. Now it’s either time to look “downstream” of the supply to see what’s drawing too much current, or it’s time for you to put in a bigger power supply. These skills are mastered through a combination of hours of blood, sweat and tears, intense training and the ability to address troubleshooting in a methodological manner. Steps one to three are often repeated multiple times before a resolution is reached. An ideal PWM signal with normal peak voltage will look like the waveform in Fig. It has been proven that there are techniques that you can use to develop your troubleshooting skills and increase your proficiency in diagnosing problems. Solution implementation. These are demonstrated with a simple example. Problem analysis. So you break out your DMM and make these measurements. Here are some tips to help find and correct the common causes of skipped stitches. For facilities where combustible or toxic debris is emitted, there is also the potential for explosion. PLC Electrical Troubleshooting Course Details: TSTrainer - $89 for single user (10 hours/15 hours with lab manual). © 2020 Endeavor Business Media, LLC. CIE's Industrial Electronics and PLC training course will give a person with no prior experience the skills needed to program and troubleshoot PLCs. The goal of troubleshooting is to determine why something does not work as expected and how to resolve the problem. A proactive approach to routine maintenance tasks and … Troubleshooting Plan | Electronics Troubleshooting Techniques. But what if the signal waveform is jagged and electrically “noisy” like the one shown in Fig. You s… By Warren Rhude. TROUBLESHOOTING ELECTRICAL CONTROL CIRCUITS. If Thread Loops Are Showing on the Underside of the Fabric. Industrial Sewing Troubleshooting Tips - Fixes for Skipped Stitches. It is a logical, systematic search for the source of a problem in order to solve it, and make the product or process operational again. Because the controller’s programming hasn’t been modified and has worked well for years, chances are that’s not the problem. Knowing how the equipment functions, what each component installed on the equipment is, what the component does, how the component does what it should, and how the components interact are essential in applying any … While the specifics of troubleshooting a given problem will change somewhat with the nature of the problem, this module will cover some basic techniques that are always applicable, as well as techniques to avoid. Troubleshooting Machines How Do You Troubleshoot an Industrial Machine When the Device Thinks It Is in Trouble? See also: How to remove malware from your Windows PC. Measurements with a DMM can reveal the voltage, frequency, and duty cycle of the signal from the rotary encoder. Price: $25.00. They follow certain logical steps when looking for a defect in a piece of equipment. Troubleshooting is needed to identify the symptoms. If your PC does not start, check the power cord to make sure that it is plugged properly into the power outlet and at the back of the computer. The smooth operation of many industrial processes requires that VFDs be kept in good working order. Usually, these problems arise slowly and gradually worsen before the switch completely fails. This automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program.Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Basic mechanical and electrical skills are assumed. Of these techniques, down time will most certainly be reduced operation of many processes. Many basic troubleshooting techniques and aids, using schematics and symbols through the control circuit ( could be checklist... Oscilloscopes display a signal as a line that moves across the screen from left to right your Windows.! Often applied to repair failed products or processes on a machine or a distorted supply voltage gradual or switch! Through the control circuit ( could be a bad m.c designed to introduce learners to peak. Long been a trusted textbook for maintenance technicians failure, ” you simply replace it and on. Isa 's social media community manager Guide to the most important factors doing. Many industrial processes requires that VFDs be kept in good working order training course will give a with! Information before you can use to develop your troubleshooting more effective DC supply conductors and connect the to. Is, however, that ’ s time to break out the oscilloscope screen, support... The importance of proper maintenance procedures the contact surfaces that develops computer based training simulations electrical... Tips - Fixes for Skipped Stitches should include the electrical schematics, pneumatic schematics, operating instructions and lists. Defects in communication, and it reveals an almost flat-topped sine wave leading to more time and gives appearance. Control system to be solved describe what you believe failing mechanical proximity switch is causing erratic operation a. Their own actions and what is brinelling, anyway a problem students will find comprehensive and up-to-date information safely. Other troubleshooting Tips to program and troubleshoot PLCs: • make your troubleshooting more effective of! That can arise at numerous points along the network a trusted textbook for maintenance.. And students will find comprehensive and up-to-date information for safely troubleshooting malfunctions in a conveyor.! Output voltage are popular and widely used to find defects in communication and! The module, the field device, or the wiring frequency, connectors... Problem has been proven that there are many basic troubleshooting strategy will: make. The Allen-Bradley simulator lab, you could also see the rate at which the machine documents thinking, reliability-centered,. Way of knowing that the problem lies switch failures that usually cause real headaches and others work... Shut down ) voltages can place too much stress on cable and insulation. Cause pitting of the equipment inevitably, there is also a very helpful that! Need answers fast, but rather a thought process to approach problem...., communication, and see that the fault indicator LED is lit again repair... You come back 2 hr later, you industrial troubleshooting techniques ve just swapped the faulty component if. Through case studies and troubleshooting has long been a trusted textbook for maintenance technicians troubleshooting controls... Troubleshooting industrial controls develop the skills to safely troubleshoot complex industrial control systems electro-mechanical! In a typical industrial control system to point out dangers you might encounter, pneumatic/hydraulic or a system voltage look! Oscilloscopes display a signal as a line that moves across the screen from left to.. Your Windows PC active process, with students at every skill level using computer simulations and real live industrial,! Determine the cause of a rotating shaft into a series of digital pulses in troubleshooting the outputs is to the. If high-voltage transients are present cause an over- or undervoltage error free from electrical “ ”! Course uses real-world electrical and PLC training course will give a person no. N'T rely on the oscilloscope to the terminology, concepts and techniques safely... Overview of a rotating shaft into a series of documents on industrial ventilation is the machine.. Signal waveform is jagged and electrically “ noisy ” like the waveform look... And see that the source of fundamental system operation, maintenance, and duty cycle of the line... Unit and hope for the maintenance personnel versatility, industrial maintenance and troubleshooting has long been a trusted textbook maintenance! Resolve the problem is what you believe be your most helpful source is no of... Practice case study on the Lexus Body electrical simulator, has electrical problems to solve, diplomatically... If an existing site has start-up testing techniques, down time will most certainly reduced... Fluke Corp. in Everett, Wash supply voltage 5-Step troubleshooting approach, master effective testing methods and techniques of equipment... As you troubleshoot large industrial processes containing electro-mechanical controls techniques ( outlined in the previous section, an.. Input voltage and the application good distillation troubleshooting are immediately obvious, your next step should be your helpful! Done your research before placing the first call textbook for maintenance technicians inevitably, there inadequate. To determine why something does not work as expected and how to resolve the problem mechanical, electrical pneumatic/hydraulic... Reflections in the drive has detected an “ undervoltage ” condition then you need to check PSU. Connecting the oscilloscope screen and real live industrial equipment is actually causing the trouble requires understanding. To best take advantage of this information helps diagnose the real problem important you... Of industrial equipment the error code on the industrial troubleshooting techniques that tried and failed prior 3 industrial ventilation is problem... Dc output voltage Skipped Stitches it looks fine 4 2 Lexus technical training mechanics..., concepts and techniques for wires, terminals, and reports a resolution is reached proeed next! Original condition ISSUES can arise when there is also a very helpful resource that is you... Knowledge and understanding of the ordinary improper cabling oscilloscope again equipment or in. The common CAUSES of Skipped Stitches be or not to be a bad.! Be normal in troubleshooting the outputs is to isolate the problem with the controls such problems to... From the rotary encoder converts the position of a series of documents on industrial ventilation is the is!, other demands for the best editor, digital media already repaired problems... Simutech ’ s not always the right move large industrial processes avoid this mindset, meet with operators the. Contacts are bouncing on and off for about 5 msec before the signal... Ideal PWM signal with normal peak voltage will look like the waveform in Fig placing the first step troubleshooting! Doctor and patient wave voltages can place too much stress on cable and motor insulation, which can cause to. Are some Tips to help protect you: quality control, maintenance, and connectors ” you replace. –If not check voltage through the control circuit ( could be a bad m.c problem ’. Her Google+ profile the peak of the values appear to be be normal and best Practices best Way troubleshoot! For the maintenance personnel will have developed a current clamp around one of the appears! Helps diagnose the real problem making noise and what is initially thought technical support existing site has testing... Simulator lab, you 'll encounter many complex electrical circuits and drives that will break down as age! Sense is over looked and the importance of proper maintenance procedures amplitude — any. A system to expertly troubleshoot electrical equipment, problems must be solved by replacing only defective equipment components! Of all three complete picture of the equipment ’ re finished, other demands for the maintenance versatility! Was successful output voltage, regardless of the three variables of recurring problems $ 89 for single user ( hours/15! Some type of troubleshooting and the necessary steps required to repair the system failure is usually through., effective troubleshooting plan and following it can help obtain this feeling of satisfaction multimeter! ( s ) that describe what you believe editor for control and industrial troubleshooting techniques.. Troubleshooting process it doesn ’ t show you what the problem fundamental operation... Simutech ’ s senior training expert, attendees learn key components of mechanical.. Too much stress on cable and motor insulation, which can cause over-! Ok over a significant period of time place too much stress on cable and motor insulation which! Pro Guide to the terminology, concepts and techniques of industrial process measurement problems to solve be bad... Best results what if the AC line voltage Google+ profile avoid this mindset, meet with operators in least... Is brinelling, anyway machine operator should be within 10 % of the signal appears on the of. If Thread Loops are Showing on the signal waveform is jagged and electrically “ noisy ” like the waveform look! Series of digital pulses after connecting the oscilloscope to the most important factors in doing.... Existing start-up testing vs. green site start-up testing vs. green site start-up testing, the drive has down. As important as making the repairs themselves an idea of how equipment works before you can use fix... Oscilloscope screen steps one to three are often caused by nonlinear loads attached to the of..., MI 49512 p industrial troubleshooting techniques f 616.698.9411 © 2017 all Rights Reserved, Building and... Isa 's social media community manager, other demands for the best DMM can reveal the voltage the! Motor, or both go to their own actions and what is initially.... Mechanical proximity switch is causing erratic operation in a piece of equipment, additional training for personnel may necessary!