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  1. Home automation

    NikosGR posted a topic in General Topics - The Lounge

     Hi all     Just a few words about me. I am Nikolas or Nik. I am electrical engineer mostly in industry. My knowledge in automation is enough to excecute my duties as maintenace engineer. I can reed ladder and also i am able of microcontrollers programming only in c. During my 35 years of working in that sector i made some automation projects at work medium size but never were involving HDMI!! The truth is i like these things a lot and i am not afraid to try new things and get knolidge even at that age. Now lets go to my question.    I am building a house and i want to use automated systems.The general idea in the first stage, is to use master plc in the house with an HMI wall mounted in the entrance and connection in a private hub for using also an ipad as remote control in the house. This master will have 2 slaves. One for handling all the outside area and automated doors as the heating system from the garage building with a local HMI, the other will controll the swimming pool.   So get them all together can you advice a PLC that can have communication with wifi,other microcontroller boards(arduino or pic) and other PLC's with affordable price.
  2. If anyone can help me with this, I want the machine only get into run state whenever there is an User logged in. If no user logged In and trying to operate something I will prompt an String message 'Need to login first'. and If logged in/logged out status i want to monitor on PLC. Though IN panel view it doesn't allows to operate  anything if not logged in but I want to monitor the status on PLC.
  3. Hello Everyone guys, Did anybody has used the 1734-PLM Starin Guage Input card from Helm Instruments for Contrologix PLC? HELM instrumenst gave a set of instructions for calibration of the loadcell at first but it doesn't works, HELM instruments is helping me on this but just in case if anybody knows anything about it. I have checked the wiring and it is correct. WhatsApp Chat - Ken helm.zip
  4. Hello everyone, now we are using Kinetix 6000 Multi-axis Servo Drives and TPM 025S – 031V – 6PB1 – 094C – W5 servo motor from Wittenstein, the main function of the servo motor is to elevate the welding module up and down. Several months ago, the servo suddenly increased the torque by 50% compared to normal state, which caused UPS several times in a shift. we went down to the machine and found out the locating pin was worn out and misaligned with the main transport plate. We replaced it and the torque went back to normal due to the welding module was aligned with the main transport plate. The E64 fault started to appear after this problem and still on till now. We did something that we thought can solve the problem: - Upgrade the PLC Logix L73 to L83 but it's not compatible with system so we keep using L73 - Replace the servo drive to the new one - Replace all the cables, check the connection if it was right or not - Check grounding, it was normal - Check the physical components connected to the servo, everything was ok - Measure vibration of servo motor & magnetic field - Replace the servo motor with the new one - Check looking assembly and alignment - Invite Rockwell and Servo expert to the site All the things we do but E64 keep showing so we bypass the E64 by changed feedback noise to status only and the system continue to work. Has anyone experience this before and can you share what you do to solve this. We want to eliminate the E64 completely so the feedback is true and we can we know the true root cause when it send signals, thank you everyone.
  5. Dear Team,   We are looking for a suggestion to drive a motor which is away about 2100 Meter from its starter. The Pump is located in a pond in the forest which is 2000 Meters away from the nearest building. The pump capacity is 55kW and we are considering 55kW HD VFD as a starter. As we see the distance is much higher we are looking for you valuable suggestion about how this thing is gonna work without any abnormalities.
  6. Hey everyone, I'm new to programming PLCs and I've run into a problem. I have a Micrologix 1400 Series B PLC, and for the past month, I've been using a free trial of RSLogix 500 Starter. But now, the trial ran out, and so I bought a license for "RSLogix Micro Starter". The problem is that when I downloaded my updated file to the PLC for the first time with micro starter, the PLC's outputs don't work anymore. I checked the PLC screen and the inputs from the HMI screen are getting recognized, but the inputs from the physical sensors are not. Also, none of the outputs are being activated on the PLC at all, which I can tell by looking at the I/O status on the PLC screen itself. I then uploaded a new test program, where you press a button and a light turns on, but that doesn't work either. I haven't changed any of the physical wiring, only thing I've changed is that I'm using RSLogix Micro Starter as opposed to RSLogix 500 Starter. I spoke to a Rockwell technician about this and he said that there shouldn't be any problem, as I haven't done anything wrong. So I now ask everyone on this forum if they could help me out a bit.
  7. Hi gentlemen, I have I bottle capping machine and I'm reading the torque value from one of the Sureservo2 drives. As the bottles pass through the machine, I need to display the peak torque value and hold it until the next bottle passes through. This machine could run up to 100 bottles a minute. I would also like to display a 10 bottle peak torque average. Does anyone know of a good way to do this? Any help would be appreciated.  
  8.  We have been tasked with saving money on equipment within our 4 plants here in the USA. I would like to investigate using low cost HMI's, I've had great success using C-more in the past. Has anyone had any of the several low cost HMI's attached to Emerson PAC (AKA GE Prophecy) PLC's? has there been any connectivity issues? I'd like to try one to replace the Emerson HMI's which are hard to source, and expensive. I believe any time setting up a low cost option would offset the cost of the Emerson, and open up our choices of HMI's and not be boxed in to one brand. We also use Profinet along with Ethernet connection, I believe the Emerson HMI only uses Ethernet (for us) but if there is a Profinet version that is easy to set up, that would make it an easy sale for me.   This HMI would also have to work with the older 90-30 series PLC's, but i'm pretty sure the communications have not changed much from the to the stand alone RSTi-EP and RX3i PLC's. Any advice would be appreciated.  Have a great week. 
  9. Hello all,   I am working on a batch computer for a concrete mixer, and the computer that was running the plant before has stopped functioning. It was an old PC running MS DOS. The code is encrypted and replacing it is not a cost effective option.   I therefore am looking into using a PLC to control this batch plant. I have a setup that was in progress by another employee who no longer works for us, it is a CLICK PLC from Automation Direct, and it is supposed to be paired with a EA9 T8CL touch screen HMI from the same company. I would like some advice on just some basics, I would greatly appreciate some input.   I essentially only have one input, and that is an analog scale, 0-20mA input. I have digital outputs for sand, gravel, cement powder, and a water meter for adding water to the mixture. I have one final output, an additive for reducing the required water in the concrete.   What I would like to create is a program that when it is told to start, looks at the scale, and if the scale is less than say 100 pounds, opens sand until it hits 1700 pounds (as an example), then turns it off. Then it turns on the gravel and adds that for another 1700 (again for example, all these are variable), turning the gravel off after. Next the cement, and so on. I don’t need someone to write the program for me, but can someone point me in the right direction on using an analog input to turn digital outputs on and off? Again, your help would be greatly appreciated.   Thanks for taking the time to read this long post.
  10. Hello, everyone! I am following this YouTube tutorial where it teaches you how to add a block of Modbus server within Studio 5000 for communication with plc ControlLogix. The video: https://youtu.be/qcF4m7rPjkw However, according to a comment from the author of the video himself in my comment I can make such a connection through a Modbus device. How do I do this within ur5 and how can i access UR5 inside Studio 5000?
  11. I have a PLC ladder logic problem that I am stuck with and would like to know if there is a solution for it. PLC Ladder Logic Problem on PLC Fiddle: Automatic Window Blind There is a window blind that is controlled by using an opening and closing motor. There are 2 IR sensors that act as limit sensors to identify the boundaries of the opening and closing of the blind. The blind can either fully open or fully close. The blind is fully opened during day time and is fully closed during night time. We assume that the day time is for 12 hours and night time is for the other 12 hours. The PLC ladder logic must include at least a SENSOR, an ACTUATOR, a TIMER, and a COUNTER. You may use PLC Fiddle to draw the ladder logic: https://www.plcfiddle.com/ The process is as follows: 1. Assuming that the blind is now fully closed (during night), the night time 12-hour count down starts. The counter is done using a timer that counts 1 second, and after every second, the counter goes down starting from initial value of 12 (1 second represents 1 hour count down for simplicity). 2. When night time counter reaches 0, the counter resets back to 12 and stops, then the blind opening motor activates and keeps running until the blind edge reaches the opening limit sensor. 3. The opening motor then stops, and the day time 12-hour count down starts. The day time counter operates the same as the night time counter. 4. When day time counter reaches 0, the counter resets back to 12 and stops, then the blind closing motor activates and keeps running until the blind edge reaches the closing limit sensor. 5. The closing motor then stops, and the night time 12-hour count down restarts again. The whole process is repeated again. Please find attached below the rough sketch for the idea. Feel free to either sketch the ladder logic or use PLC Fiddle (link above). Thank you.
  12. Hello all,    I have 3 kinetix 5500 drives connected in series but some how the 3rd drive lost power. all the fuses in the cabinet look good. nothing else is tripped either.    any advice is appreciated.  thank you   
  13. I'm looking for a serial device server, which will be a cheaper equivalent of moxa. Does anyone recommend anything?
  14. I hear a lot of people talking about the annoyance of price estimates (meaning they don't get a clear, transparent price from the beginning) and the costly engineering that seems to never end. Do you think that a step-by-step, clear process and course of action from A to Z would be beneficial for companies? And I'm not talking here about SCADA software, like Ignition. I'm talking about using Ignition to build and implement a fully working SCADA solution, customized to your company BUT you know exactly the price and the methods/processes that will be used (it's a replicable framework to get similar results for multiple companies - and the results would be a SCADA solution without the headaches of the unknown prices and engineering characteristics). Basically, a clear project-based approach rather than an hourly approach where things can get confusing.    Do you think the industrial space could use something like that?

  15. Productivity 2000

    mfreundl posted a topic in Automation Direct

    Has anyone had the opportunity to work with Automation Direct's new "Productivity 2000" PLC? I have personally had the opportunity to use their "Click" PLCs which are, as advertised, very cheap, but effective. These little plcs are similar to Allen Bradley's micrologix line of processors, but definitely are not as well made. The software is free (a nice bonus) but definitely lack in features that you would get from the Rockwell folks. Still, for a simply job on a tight budget they work well. As for the new Productivity line, it looks (from a software side only) like many of the features you would find on the Contrologix and Compactlogix systems are now available. The user interface looks relatively clean and easy to use (Coming from an Allen Bradley background). So...any thoughts on the Productivity 2000?
  16. So im looking for recommendations on a safety PLC application, and I'd like some advice. So the addiction is zero motion detection, were using a 5069-L306ERMS2, 5069-IB8S, 5069-OBV8S. What id like to know if its feasible and safe. Can a zero speed detection code be written and safe in a PLC? I mean you can buy a zero speed detection safety relay, and two generic sensors , one PNP, and one NPN, and its just watching the pulses to happen in a predetermined manor and that both transition in the correct manor and that they both stop. So why or why not do this in a PLC? Any advice on how to do it, and considerations or advice?  What are peoples thoughts and or advice?
  17. I am working on project where I need to program delta PLC to receive ASCII code from scanner. I anyone know how to program it helpls me alot.
  18. Hi All,  Please any advice on where to find field service engineers/technicians in Belgium and France? I am looking for someone who has experience working with PLC, HMI and S7 300.   
  19. Hello everyone, I want to indentifying harware of a B&R Automation PC online to diagnose and set an encoder for the B&R ACOPOS servo drive but when I upload or identifying the hardware ,Automation Studio can not find the machine servo drives..If anyone has a similar experiense,I appreciate your help in this regard.photos of this mismatch are attached. Thanks in advance

  20. PLC Recommendations for newbie

    Bruce001 posted a topic in Product Reviews

    Dear Mr. PLC forum members, I am brand new to the world of PLC’s and I am looking for advice on PLC platform selection for a device prototype. The proposed PLC is for a “smart” hydroponic system. Please see system I/O and other parameters below. Parameter 1: Price - I am self-funding this so price of PLC and software is important. Happy to spend ~$2000 for PLC; I/O cards and related hardware. Total prototype cost is around $15,000 including PLC. Parameter 2: Availability & Support in Australia. Parameter 3:Newbie Friendly: I intend to code the PLC myself and have never coded a thing in my life before.  Parameter 4:Discrete Outputs: 11; Discrete Inputs: 0; Analog Outputs: 2-3; Analog Inputs: 9  Parameter 5: Capability to extend to IOT for remote access control and monitoring (via cellular or wifi router)   As you can see, this is a relatively simple automation project. All my research seems to point to Automation Direct’s BRX PLC but I just wanted to get some suggestions and feedback before purchasing. Anything else that might suit my needs? Any insight would be greatly appreciated. Bruce   
  21. Hi everyone, Now the crisis has put myself out of job in short period of time I'm thinking of going Self-employed in Industrial Automation. The salary I could make while being employed would be around £35-50k in UK (even though I had limited experience on Mits and Siemens) which is quite a good salary in UK in this sector, depending on the job as well. I'm more of a hand on guy and I like working on site while prototyping in the lab, and I believe if I was a self-employed Industrial Automation Engineer I would thrive better for a few reason: - Limited schedules means I push myself to 100% of my abilities to help me develop and grow - Hands on, commissioning and prototyping - Higher risk and higher reward as prices are for projects not hours - After few years a possible income of around £70-120k - Possibility of developing my own solutions/programs/scripts/devices for customers in automated facility - Using python for Data science/analytics which is currently my hobby - Automated online diagnostics and maintenance improvments   I've never had a chance to cover all of the above previously and I believe there would be a huge demand for a person who can provide and prove a benefit to the businesses of all of the above subjects. I'm a great problem solver, regardless if it's an electrical or software issue however when I'm hired I don't feel the satisfaction from finishing job and I would rather move on the next project rather than stay still for a long period of time.   Are you guys self-employed/contractors? How did you start?   Thanks, Tom  
  22. Hello all, this is my first post. I am using an AB Micrologix 1400 (1766-L32BXB Ser C FW 21). I was trying to generate a pulse train using the PTO instruction. I have modified PTOX funct. file. The ladder is just a simple XIO followed by PTO, (The Quick Start ladder from 1766-RM001). When I looked at the output waveform on my oscilloscope, I noticed that it wasn't a square wave. I decided to run it at several different frequencies to see how the wave form would change. At 10Hz i got a square wave. As I increased the frequency the falling edge became sloped and almost horizontal. Is this how the output should behave? The data sheet indicates a max frequency of 100kHz, but at frequencies over 150 Hz. The wave form looks like the output of SMPS. 
  23. Hi guys, since this is a forum for people starting out with TIA Portal, I would like to share with you my course that I developed for the last 6 months.  This course uses a real-life sample application and translates it into a fully functional TIA Portal PLC application.  This course of 2,5 hours consists mainly of video explanations with practical programming assignments to put your newly gained knowledge straight to work.  As a controls engineer, I have over 10 years of hands-on experience with TIA Portal ranging from software development, commissioning and troubleshooting. At the end of this course, you´ll be able to: Structure and program a real-life user application in TIA Portal Download and Troubleshoot a TIA PLC application Program function blocks (FB) using ladder logic Build global data structures using user-defined-data-types (UDT) and data blocks (DB) With the coupon link below, you can enrol for only $12.99 (might vary depending on the country you live in).  The course is normally $99.99, so you get an amazing all-round programming package for almost no money.  So go and check it out  Take me to the Course Now!      
  24. New in Box Productivity 2000:  P2-04B - Base (2 available) P2-HSO - High Speed Output Module P2-550 - CPU P2-RS - Remote Slave CPU P2-08ADL-1 - Analog Input Module P2-08TD2 - DC Output Module (2 available) P2-01AC - AC CPU Power Supply (2 available) New In Box HMI EA9-T15CL-R - 15 inch touch screen HMI Accepting Reasonable Offers
  25. I want to offer my industrial surpluses for your projects! All details are verifiable. Excess surpluses often occur. Sending to any country in the world. The price is low. I can pick something up for you personally. Sending can be made, both expedited, and economy air delivery. Ukrposhta or EMS Ukraine. Siemens Simatic, Wieland,  Wago 750, BECKHOFF, Schneider electric, Schneider Automation, Yaskawa Omron, KEYENCE, Pepperl+Fuchs, Telemecanique, ABB, FESTO,  DUNKERMOTOREN, Eaton, Micro Innovation, Jumo, Phoenix contact, Bruel & Kjaer, Unitronics, Samson, Danfoss, OMRON, Rexroth Indramat, Fanuc.  https://www.ebay.com/usr/vitalij6131   All parcels are sent by Airmail, are processed with disinfectants and sent with a large number of bubbles before being sent. For safe delivery of the parcel to you! I am worried about your safety, in this difficult time for you!