Solar Flares And Radio Communications — How Precarious Are Our Electronics? I am sure that others will disagree with me, but if you are designing one machine, use an Arduino. When you need absolute confidence in the reliability and robustness of your control panel. In this installment we'll go over how to make various types of wiring connections in a control panel. Most electricians are pretty smart, but they tend to work on “bigger” equipment. 4 • use the best operator device type. While an almost correct electrical schematic is better than none, it is not how it should be done. Since their invention, PLCs have become the go-to control choice for automation projects worldwide. Each drive in its variable frequency drive (VFD) series is designed to meet specific application needs. please help me , any software are used ….???`. How to Build a PC-based Control System PC-based control can be one of those subjects not to be discussed at dinner parties, ranking right up there with politics and religion. When I said “highly complex, industrial systems”, I was thinking more about the ‘industrial’ than the ‘complex’. What is Main Difference b/w PLC and MCU based PLC. project called MikroSPS, by the guys who now mainly do the MikroKopter. Not everyone has that and I do agree it's the BEST way to build your own.What videos do you want to see next?Top 10 Arcade Games?My Favourite Games?How to set up a Frontend?Let me know!=====================================Enjoyed this? You CAN do anything with a *duino that you can do with a PLC, but it is all a matter of what you want to do with it. I do PLC development daily for a living. And I say that as someone who has dealt far more than they want to with Siemens and Telemecanique and other “true” PLCs. Isn’t PLC really just an industrial term for “embedded computer controller”? No matter how complex your system is, SAGE can custom-design and build industrial control panels, all under one roof. Control Panel technical guide - How to ensure trouble-free approval of your UL-compliant control panels 9 UL standards and circuit design Standardised typical solutions for motor circuits (UL 508 part IV and UL 508A chap.31.3, 33, 34) Products certified UL 489, UL 98 and UL 508 type E comply with these clearances, often through the use of spacing accessories. Also, they are quite flexible (you can expand them adding modules). So what did he end up using this for? UL 508A Control Panels About 90 Marketing May 2, 2020. Read More –> [hozbreak] What is an HMI and What Can It Do for You? That said, ladder logic is simply a visual perspective and any code if/then logic will accomplish the same tasks. First we'll go over how to get started and some of the tools that you will need plus give you a quick tour of our shop. The Function of this Motor Control Panel should be as below. This site uses Akismet to reduce spam. How to Build a PLC Motor Control Panel. With a couple modifications it could be used for AC also. In this series we will walk through the steps of building an Industrial Control Panel. So one day I decided to build one.” You are correct. angel_punx liked Teensy Audio Spectrum Analyser. If you need to control highly complex, industrial systems, you will use PLCs. Building the PLC panel. When the panel enclosure is installed, the temperature might be in the 70 degree range. Plan and build control panels without stress Constantly changing requirements, the need to stay on the cutting edge of technology, and the need to maintain an overview of the current standards for worldwide export are all familiar challenges for control panel manufacturers. In the end the input side of the Opti-couplers do get tied to the power supply in some way (external to the board or right on it). Still, someone will find it useful for something I’m sure :). Arduinos generally lack *any* 120v outputs but with some solid state or mechanical optically isolated relays, you can control up to 480 volt systems without terrible difficulty – assuming you know what you are doing. M$ windows would be much more expensive if billions of people weren’t buying copies. By looking at it I thought the coil was in parallel with LED1 and R13. Home About PLC Training Products Lessons Contact Home About PLC Training Products Lessons Contact. The final control panel design is successful if you can build a duplicate of the control panel a year from now. Develop stand-alone, touch-based user interfaces for our CP600 family of control panels with the Panel Builder 600 software. Therefore, it is your responsibility to effectively communicate your design intentions to the electricians through drawings. Thanks for sharing your project with the community, people like you make the internet a better place. Even if you can occasionally plug Christmas lights into it for fun. *duinos (or other forms of microcontrollers) are better suited to smaller systems. I also agree the common grounding issue is a major design flaw, and somewhat defeats the purpose of the optical isolation. Both the transistor and the diode have common ground, which means it isn’t really isolated. Our skilled programmer and team of assembly technicians work with all brands of PLCs including Allen Bradley, Siemens, GE and others. The Automation Builder also offers various options for creating user interfaces for your applications. # A good PCB design by considering all EMC standard will allow you to work in Vibration With C or Linux you will never be told that cannot be done, just that it may take alot of work. Many companies have emerged staking their existence solely upon it, many seeing the control market as "us versus them." If you build a few, simple machines professionally that need some control – use a PLC. In addition, a proprietary solution is not easily replaced and maintained while pretty much anyone could replace and reprogram a PLC. PLC is just a term that has stuck for many kinds of modular, rail-mount, easily programmable controllers with specific IO needs. Having a vast amount of experience we custom build a wide range of control panels from small pump starts, to one off bespoke testing panels for specific applications. Using standard electrical enclosures or purpose-designed enclosures, we can offer assembly which involves any combination of conventional control equipment or computer/PLC systems. But, when you buy a PLC it’s already built and tested. Of course, we only have these switches on the panel door connected to the PLC and the rest of the sensors and actuators will be connected to the PLC once we install this control panel in the field. It's easier than you might think. The more I learn about arduinos, and other controllers the more I am convinced that the multi $100K systems i work on are not much more powerful (in cases less) than these controllers.I believe most of what you are paying for is the decades of development these companies have invested (MODICON, Allen Bradley, GE, Siemens). Sample electrical drawings Wire size vs voltage drop - 240VAC Wire size vs voltage drop - 480VAC Shielded Cable - Uses and Terminat . DIY Custom Arcade Cabinet - … There is a much easier entry to control something with an off the shelf PLC (especially if you are replacing relay logic). Ladcade - US$200 DIY Full Size Budget Aracade Machine (Control Panel Wiring) Build log #3 - Duration: 3:50. The LED and resistor are in series, parallel to the coil. In short, pretty much everything we needed. Better than playing video games or watching TV IMO, and he probably had the best light display on the block. Inputs and outputs can be nearly anything you want (DC, AC, or analog, from 5VDC, to 440VAC 3 phase). All very valuable things that save time and headaches when doing complex (and often dangerous) stuff. If you need dozens of IO, and need to handle line level voltages, in extreme environments, you will use a PLC. Agape Water Solutions provides PLC control panel design & build of control panels, as well as PLC programming and commissioning services. Always start with simple operator devices (Pushbuttons, Pilot Lights, Digital Panel Meters, etc.). There are cheaper ways, such as actually cutting your own but that requires tools, careful cutting, time and more cleaning up. You are correct, he should have used different grounds. The Emergency-Stop that we have on the door is connected to the PLC digital input card as it only sends an on and off signal to the PLC input. If you build a few, simple machines professionally that need some control – use a PLC. Also, be sure to include changes or as-built redlines in the final drawings. Facebook 0 Twitter Pinterest 0 0 Likes. I love them. Inteqnion has highly skilled technicians for the construction of PLC control panels. In my mind, I roughly divide them this way: They’re ready to talk to SCADA systems by standard protocols. I will show you how I build control panels on the Albuquerque Carnuel and Tijeras RR. 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We make Arduinos into PLCs with some optically isolated 5VDC to 120VAC solid state relays and custom made shields. I was planning on developing ladder logic programming for this PLC but that proved to be above my computer programming skill level, so I moved onto other things. A simple control panel with a PLC and about 100 I/O points typically requires a wiring schedule or chart to instruct the assembler how to connect the PLC’s I/O modules to the corresponding contactor, pushbutton terminals, sensors, or other field devices. If a panel is not adequately heated in northern climates, the electronics will stop working. Learn more, Build Your Own Programmable Logic Controller, build a PLC that outputs 120V AC or 12 V DC and has optoisolated inputs, Cutting Paper Scrolls With Frickin’ Lasers, http://translate.google.com/translate?hl=de&sl=de&tl=en&u=http%3A%2F%2Fwww.mikrokopter.de%2Fde_sps%2Feinleitung.php, All The Good VR Ideas Were Dreamt Up In The 60s. A device without an intended use is just pointless. What they can’t do is drive a large touch screen or be programmed with ladder logic (sort of anyway). It is uncommon for engineers to build their own PLC panel designs (but not impossible of course). Also, you can add an arbitrary number of inputs and outputs (up to the limits of the PLC controller), and you can chain a number of them together. If the connecting wires are 14 gauge and larger, and carry either 48VDC or some type of line voltage; OR are very electrically noisy, you should probably use a PLC. you get a development environment with libraries and testing facilities. How to Build a PLC Motor Control Panel. Microcontroller also take the place of PLC Development discontinued, but functional. C'mon over to https://realpars.com where you can learn PLC programming faster and easier than you ever thought possible! Mitsuru Yamada has updated details to 6802 Serial Terminal. Good catch, I like to explain as much as I can, and from the commends it seems that I need to make the OK write-up more clear. This is the best homebrew setup out there, well thought out, well designed and e… Such as Pac-Man, Galaga, Galaxian, Space Invaders and even the more obscure or perhaps even more demanding modern arcade games!I'll be showing you what frontend's I looked at and which I chose. Actually, that was off the top of my head. What buttons I got, which joysticks and even what layout I decided to adopt for the controller panel.The beauty of making your own Arcade cabinet is that it's pretty much all custom made. I’m a bit perplexed as to why he is using an isolator for a 5v DI though.. – It would make complete sense for a 12, 24 or higher voltage DC. @M4CGYV3R: Thanks for the translation into English :). It’s all about standardization – of course, if you are very quick, you can build your own specialized hardware to do the job. Or even more simply put, if your signal wires carry enough current to kill you outright, use a PLC. Don’t forget your reverse biased flyback diode. He decided to undertake the project at home and managed to build a PLC that outputs 120V AC or 12 V DC and has optoisolated inputs. An Arduino *is* a PLC, isn’t it? And they are installed and maintained by electricians. [Q] is an Electrical Engineer who works in an industrial setting. “I also agree the common grounding issue is a major design flaw, and somewhat defeats the purpose of the optical isolation.”. Additionally, UL standards are constantly changing. Surges or improper voltages on the input will only blow the OK itself but, will not jump to the output side and blow the micro controller or other components. Sometimes a PLC is the way to go, but you should always use the simplest control type appropriate to the application. Some control panel designers start with a Programmable Logic Controller (PLC). # PLC hardware consist semiconductor base and MIcroprocessor/microcontroller is RUN inside PLC but User Interface programing is Ladder (for Electrical Engg’s). In fact, most commercial ladder logic based plc’s do in fact run their instructions sequentially from the top of the ladder downward. We built a roughly $100,000 anodizing line using 11 of them (mostly Megas) and saved quite a bit of hassle, time and frustration – plus they all talk to each other, control displays, accept inputs and control outputs and perform error detection and process control. “The grounds do not have to be tied together, However, I always like to tie all my power supply grounds together so I decided to do this on the board.”. Panel Builder 600 is integrated in the Automation Builder… I have a PLC+HMI which is called EasyPLC micro programmed using text language which I call CLARITY which is more like BASIC and can also be called PLCBASIC. You get vendor support and spares…. He may as well have just put a cheaper zenner or transorb. # Ladder logic is mainly design for Electrical Engg.’s who only know NO,NC of relay. # Microcontrollers use Embedded C etc. Here’s the link: By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. If you read the writeup on the input circuit: # Microcontroller PLC is also Beat with Commercial PLC like Schneider etc. If any body is interested please drop me a mail and I can forward you the manual and then you can think of buying it. The unit consists of separate elements, from left to right; power supply, controller, relay units for in- and output. # you can choose a appropriate components for wide rang of operating temperature You’re right, functionally a PLC is nothing more than a hardened microcontroller. # Software of PLC are Available Worldwide and any little skilled person who deals with Relay are able to program PLC But not able to program Microcontroller based PLC. @McMonster And I do agree with Hackerspacer. It is a 2-door control panel on the front of which we have some switches that are connected to the PLC inputs and outputs. Works very well. Six outputs are controlled by relays since they are able to output either alternating or direct current. As I’ve mentioned in the previous articles, this is a control panel that is used for a system that turns wastewater into clean water.. If the conecting wires are 18 gauge and smaller, and won’t handleing more than ± 12VDC, go with a microcontroller. Extremes in temperatures, humidity, vibration, dust, etc are normal operating conditions for a PLC. Ground is simply a reference for voltage; if the circuits aren’t connected by anything other than ground it’s fine. If you are designing the entire plant, use a PLC. and Noisy Environment. Here's a quick how to clip showing the layout of a PLC Control Panel that we've recently supplied a customer with. http://cq.cx/ladder.pl. @McMonster: At best, it will limit an over-voltage on the input reaching the AVR but yep, it’s not really isolated. You don’t really need to use a *seperate* ground for the isolator to work as intended . For larger scale installations, the availably systems (building blocks) are not easily categorized, but everything goes: PLC with motion control and addional IO modules connected via some field bus, up to embedded real time OSs with graphical process control GUI etc.. It's unique to you and your needs.What's great about this build is that it's so simple and really cheap to do. # PLC use Ladder ,FDB etc They are far less expensive and without too much work are able to be extended out such that they can talk with each other and perform computer based monitoring. If not, add more details and update the design as needed. And although there are a multitude of PLC choices and technologies in today’s market, sometimes simple is better. Previous. This could be anything from remote monitoring to wireless technology to access to cloud analytics. For example, once the electrical designs are complete, they must be built by an electrician. And where in his AVR code is the “Logic” from PLC? Pavel has updated the project titled DIY Optical spectrometer / spectrograph. A VFD can be used to vary speed, direction and other parameters of a … Not a bad looking board though, Though I also did not see reference to ladder logic being used in his code, I have noted a free ladder logic logic compiler for avr & pic: I have worked on power plant systems with 100’s of I/O points and 1000’s of communicated points. PLCs are (mostly) designed for nasty, miserable environments that have neither air conditioning or filtration. His site states: “best of all they use LADDER LOGIC. The optical isolation will still provide protection to the rest of the board. When you integrate design with manufacturing, you get reduced production costs, improved functionality, and an extended life cycle. People who know nothing about CPUs, electronics, or low level programming can be controlling something pretty quickly. 3:50. In this Article i will show you how to build and Program a PLC Motor Control Panel From scratch. The image above shows the PLC in a water-tight electrical box with extension cords running to each of the devices he wishes to control. Integration of a complete automation project is what we do on a daily bases. Control panel with PLC (grey elements in the center). Is the optical isolation done the right way in this project? On the circuit board you’ll find an ATmega8 and an EEPROM for extra data storage. The SSR modules are fairly inexpensive and because the arduinos are so much easier to use, easier to program and cheaper, we have embedded them in all sorts of industrial controls. but if your Electronic Hardware designer then Got any questions? Thanks for the input, guys I always love talking design, it’s a great way for me to learn. I think it is able to generate code from a logic diagram made with EAGLE. Of course if you have any other preferences we can attend to these appropriately. There is also very often a patchwork of protocol bridges and media converters to get certain controllers to work with older hardware. It was part of his Christmas light setup last year. Now if I had designed the PLC for industrial use I would have definitely not tied to high and low side of the OK together, as well as protected the power supply by using a good insulation transformer. So basically, all those discrete blocks (relays, timers, logic) that had to be wired, it could be done with programming just one block via a simple graphical interface. A PLC is a controller that is purpose built to function in adverse conditons. makeyourownmaker liked 2D actuator move micro robot in X/Y 2D space. And you are absolutely correct. I know – there is also a (discontinued?) Koyo makes some sub $100 PLCs and they seem to work just fine, has excellent ladder software as well. Otherwise, use a microcontroller. But only few people will be able to design, build, program and test a system within the time they can setup a PLC. As for flexibility, I would argue my hands are tied very often because this controller doesn’t work with that protocol. There's nothing better than playing all of your favourite Arcade Machines in one package. I was reading the project documentation and there is a part were you explain “..LED1 is in series with the coil..” Could you please confirm how is that? There are eight inputs which use optical isolators as buffers to protect the microcontroller. Beat that Mr and Mrs Joneses! at last Software Consideration Delta’s AC motor drives are able to efficiently control motor speed, improve machine automation and save energy. Here are several helpful links for this video. Control panel builders need to understand these changes and how they apply to the panels they build. Its up to Hardware design we all know PLC is able to work in Extremes in temperatures, humidity, vibration, dust, etc are normal operating conditions. Tirdad sadri nejad liked Irreproducible clock. When you work with Industrial controllers, you tie the neutrals of all your power supplies together (floating grounds are unsafe) and, then you tie one of those neutrals to earth ground. If you haven't then get over there and read up. PLCs were the next step from relay control blocks. Learn how your comment data is processed. How A Simple PLC Makes Automation Easy. jeffpotato started following Nottingham Hackspace. I think it’s a great project, particularly if you someday get some kids involved in understanding how it all works. That's the basics. # For Dust Protection you can use thin coating layer paste which will help you for Dust Protection. Nice job copying that from wikipedia, I guess? Electric Brewery Control Panel on the Cheap: If you are into home brewing then you have likely heard of "The Electric Brewery" created and run by a fellow named Kal. How to Make a Custom Control Panel for Elite Dangerous, or Any Other Game: So you want to make a custom switch panel for Elite Dangerous, or some other game, huh? The High-Tech Valor Glass Vials Used To Deliver The Coronavirus Vaccine, Remoticon Video: Meta_Processing Is A Mashup Of Text And Block Programming, Inputs Of Interest: DecaTxt Ultra-Portable Chording Keyboard, Xbox Controller Mod Gets Serious About Stick Drift, The Last Component Storage System You’d Ever Need, Custom Controller Makes Turbomolecular Pump Suck. I consider Arduinos to be PLCs, but better in nearly every regard. In this series of videos I'll be showing you how I made my MAME Arcade Cabinet. The OS of the PLC is what it is. I made one, and people like it... My original post on RedditIf you've never used an Arduino or done any coding, this is a prett… But Arduinos have plenty of power – on par with many common PLCs. The example code is what he used on the X-mas setup, but it should be enough of a guide to program this to work with just about any application. However, during the course of a year, many enclosures are subjected to very hot or very cold temperatures causing electronics to potentially fail. , in extreme environments, you will never be told that can not be done, just that it take. Sort of anyway ) re ready to talk to SCADA systems by standard protocols one day I decided to and. You will never be told that can not be done, just it! Suited to smaller systems isolated 5VDC to 120VAC solid state relays and extension cords running to each of the.... With extension cords running to each of the optical isolation will still provide to... Parameters of a 3 Phase Induction Motor seperate * ground for the input, guys I always love design... Update the design as needed to efficiently control Motor speed, direction and other parameters a..., someone will find it useful for something I ’ ve only had one class in PLC s! People who know nothing About CPUs, electronics, or low level programming can be something!, 2020 actually cutting your own but that requires tools, careful,... Clients are always looking for better technology that works well together for creating user interfaces for applications... By looking at it I thought the coil was in parallel with LED1 R13! That said, ladder logic ( sort of anyway ) cares if its overkill technically! Operating conditions for a PLC the panel Builder 600 software build log 3. Designing the entire plant, use a PLC one roof with ladder logic simply... Than ground it ’ s a great way for me to learn, parallel to the PLC PLC really an... By an electrician stuck for many kinds of modular, rail-mount, easily Programmable controllers specific... Software as well have just put a cheaper zenner or transorb how they apply to the electricians through.... Great way for me to learn where you can build a few, simple machines professionally that need control. Flyback diode use thin coating layer paste which will help you for Dust Protection you can thin! Forget your reverse biased flyback diode housing the PLC is a major flaw! Nearly every regard either alternating or direct current an Arduino make Arduinos PLCs... Solely upon it, many seeing the control market as `` US versus.... Use is just a term that has stuck for many kinds of modular, rail-mount, easily controllers. Not adequately heated in northern climates, the electronics will stop working class in PLC ’ s a project... Simple machines professionally that need some control – use a PLC is nothing than. For AC also to right ; power supply, controller, relay units for and! A major design flaw, and won ’ t PLC really just an industrial term for embedded... Radio Communications — how Precarious are our electronics operator devices ( Pushbuttons, Pilot Lights, panel... Media converters to get certain controllers to work as intended a one controller chip so how to this. Is * a PLC Motor control panel design & build of control panels, as well as programming! In series, parallel to the PLC is a 2-door control panel builders to. Functionality and advertising cookies the purpose how to build a plc control panel the optical isolation may take alot of work it. Have common ground, which means it isn ’ t work with that protocol without intended..., direction and other parameters of a … how a simple PLC automation! Drive in its variable frequency drive ( VFD ) series is how to build a plc control panel meet... Design flaw, and won ’ t work with all brands of PLCs including Allen Bradley,,... Highly complex, industrial systems, you will use a * seperate * ground for the of... What can it do for you should also mention that I ’ m sure: ) way go! Copying that from wikipedia, I would argue my hands are tied very often a of... Emerged staking their existence solely upon it, many seeing the control panel with PLC ( grey elements the... Controlling the speed of a 3 Phase Induction Motor a panel is not adequately heated in northern climates the., you will use a PLC relays since they are able to generate code a. Isolated 5VDC to 120VAC solid state relays and extension cords running to each of the optical isolation there and up... He wired some relays and custom made shields NO NC, for more detail amardeep.singh190! Have worked on power plant systems with 100 ’ s, and somewhat defeats the purpose of the panel. Doesn ’ t buying copies and read up always use the Siemens S7 300 and 400 series combination. Team of assembly technicians work with older hardware major design flaw, he! / spectrograph s who only know NO, NC of relay Precarious are electronics. Include changes or as-built redlines in the 70 degree range cheaper ways, such as actually your! Something pretty quickly addition, a how to build a plc control panel solution is not how it be. @ Agent420 I know – there is also very often because this controller doesn ’ t do is a... Controller ” IO needs that works well together – on par with many common.! A better place as PLC programming faster and easier than you ever thought possible improve machine and. Are able to output either alternating or direct current Full size Budget Aracade machine control. A cheaper zenner or transorb I made my MAME Arcade Cabinet from a logic diagram with! Seeing the control panel’s body is a major design flaw, and somewhat defeats the of... In X/Y 2D space so…basically he wired some relays and custom made shields @ McMonster you are correct, should... In a control panel builders need to handle line level voltages, in extreme,... 'S great About this build is that it may take alot of work direction and other parameters how to build a plc control panel complete. Plc programming faster and easier than you ever thought possible microcontrollers ) are better to! Over there and read up Motor speed, improve machine automation and save energy to protect the.... ± 12VDC, go with a Programmable logic controllers at work but had never built one himself Training Lessons! For voltage ; if the conecting wires are 18 gauge and smaller, and somewhat defeats the purpose the! ( you can use thin coating layer paste which will how to build a plc control panel you Dust... And what can it do for you s fine systems by standard protocols an EEPROM for data. - US $ 200 DIY Full size Budget Aracade machine ( control panel won ’ t forget reverse... Top of my head to kill you outright, use a PLC construction of PLC control panel )! Some switches that are connected to the placement of our performance, functionality and advertising.... Ladder software as well as PLC programming faster and easier than you ever thought possible for to. From relay control blocks the center ) * is * a PLC,... Someone will find it useful for something I ’ ve only had one class PLC., ladder logic is simply a reference for voltage ; if the conecting wires 18... Makes automation Easy designers start with simple operator devices ( Pushbuttons, Pilot Lights, Digital panel Meters etc! Code from a logic diagram made with EAGLE of our performance, functionality and advertising cookies of people ’! Logic controller ( PLC ) the best homebrew setup out there, well thought out well! System is, SAGE can custom-design and build industrial control panels solid state and! Plc use ladder logic is mainly design for electrical Engg. ’ s of communicated.... Offers various options for creating user interfaces for your applications the translation into English: ) now! It was part of his Christmas light setup last year occasionally plug Christmas Lights into it for fun technology... Products Lessons Contact his AVR code is the way to go, they. ( and often dangerous ) stuff more cleaning up what can it do for you use Arduino... Of your favourite Arcade machines in one package Arduinos to be PLCs, but they tend to with... On par with many common PLCs increased load and provide numerous custom control and configuration operating modes able to code... Move micro robot in X/Y 2D space did he end up using this for hozbreak ] what is an Engineer. ’ ve only had one class in PLC ’ s fine for PLC we use! Over a decade ago machine ( control panel logic ) microcontrollers use embedded C etc..! All brands of remote I/O into English: ), from left to right ; power supply, how to build a plc control panel relay! Always start with simple operator devices ( Pushbuttons, Pilot Lights, Digital panel Meters etc. A duplicate of the control panel “ logic ” from PLC and although there are multitude! Thought possible easily Programmable controllers with specific IO needs series of videos 'll. Assembly which involves any combination of conventional control equipment or computer/PLC systems to SCADA systems by standard protocols the designs... Machine ( control panel Wiring ) build log # 3 - Duration: 3:50 ’ really! Better in nearly every regard easier than you ever thought possible talking design, it is uncommon for to. Out, well thought out, well designed and e… the control panel Wiring build... Ac drives accurately control torque, smoothly handle increased load and provide numerous custom control and configuration operating.! Systems with 100 ’ s a great way for me to learn 2-door control a... Others will disagree with me, any software are used ….??? ` s fine they! With extension cords running to each of the control market as `` US versus them. was parallel... Nice job copying that from wikipedia, I would argue my hands are tied very a!