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  1. Hello Everyone. We have Schneider TM241 PLC Along with Citect SCADA System at 100MWp Solar Power Plant to monitor and control various equipments like Inverters, Switch-Yard, MFMs, Weather Monitoring Systems etc... Government Authority here asked every solar plant to control the generation as per the instructions by Load Dispatch Center, for that we need to implement logic to control Generation as per requirement. For that we are controlling generation from inverters by giving them generation setpoints calculated by PLC using PID function.   But we are facing one problem while using PID. (FB_PID of Toolbox Library)   Suppose we need to generate only 60MW out of 100MW. So we set PID setpoint to 60MW and according to that we get PID output and according to that PID output value we provide generation setpoint to every inverters.   This system works very fine until the clouds comes into the picture.   Now suppose Setpoint of PID is 60MW and PV is also near about 60MW, and suddenly large cloud comes over plant and block solar radiation.   In this case generation comes down to 10MWp(or any value below 60MW), So output of PID will Increase and keep increasing and settle at the Maximum value. but without solar radiation generation value stays very down then Setpoint.   Now suddenly Cloud moves and again solar radiation increase, but the PID output is maximum at that time so, Suddenly Generation goes from 10MW to near about maximum capacity (100MW) instead of 60MW, and then it will slowly comes down to 60MW.   We need to rectify this generation shoot up when cloud moves. Anyone have idea how can we solve this problem or anyone have programmed PID in this kind of situation.   Is there any function block available to do this correctly like function block of PID with two Reference or something like that...   We are using TM241 which is CoDeSys based PLC.
  2. Hi everyone! I have a question to all of you guys - do you ever use any software or online tools to manage your automation/electrical engineering projects? I have worked in a number of companies and have seen various scenarios, from using excel tables to run multi-million dollar projects to using proprietary SW for every little tiny project. Unfortunately I do not have experience working for any major big integrator and am very curious how projects are managed at this level (and if every engineer likes the way it is handled).  Additional question - does anyone have ever used a software to automatically generate the PLC code? I know some companies develop products to generate the "skeleton" of PLC program and I think it is a great thing to have.
  3. Batch Reporting in NB-Designer

    Hello Everyone... Is it possible to create below type of report in NB Series HMI (NB-Designer) ?   Template Below CYCLE START TIME CYCLE STOP TIME TIME TAKEN BY CYCLE (MIN) HIGHEST AI VALUE  (BAR) 05:39:00 06:39:00 60 555.5 06:40:00 06:45:00 15 556   I have Cycle bit in PLC, using rising and falling edge of that we can detect cycle start time and stop time. i have no idea of calculating time taken by cycle and how to determine highest scaled value of analog input during cycle...? is there any macro to write to do so...?
  4. Batch reports Comfort Panel

    Hi experts,   I need to generate the batch report for my project without any script , i check in our forum but previous links are all deleted. Can any one please provide sample backup please ?     Because i am really confused to achieve the batch process. In Report generation we can print the PDF file which the data's are already entered in that particular page but my requirement is, i need to take print out the following details 1.The parameters should be stored in report from my batch start to batch stop with date and time. 2.And also i want to take report for some particular dates (that dates should be selectable from HMI)  Any idea how to do this?      Please see the attached image (example) and am badly need this please help me  https://youtu.be/tvao1QLlHnM
  5. Fuel tank level automatic report

    Hello, I have a fuel level reading system in a 2000 gallon diesel tank. the system has a slc 5 05 of rockwell. I need to connect the system to a printer located in an office 300 meters away from the tank. can someone give me lights about the type of printer I need and what communication technology to use, preferably wireless. Thanks.
  6. Dear Everyone can help     i have a batching system of about 12 materials and i need to generate a report for all batches in the day in runtime, i tried using SQL with Cicode but sometimes i can't find some material's data or to be Zeros. did any one here know a way to do that?? vijeo citect 7.4 thank you
  7. Cimplicity Auto Report Generation

    Dear All, I am having a problem with my cimplicity Auto Report Generation, When I Click on Generate Report, it shows "0 values collected" does anyone knows what's possibly could gone wrong here ??
  8. Could someone please generate PDF report for the ACD files on the attached .ZIP file? They are all RSLogix 5000 v20 files, I needed them for a university report which the deadline is today, but I don't have access to a computer with RSLogix 5000 :S Thanks!  ACD_files.zip
  9. Hi every body! Now I use a Q-motion controller Q172DSCPU with advanced synchronous control method. I try to synchronize 4 axes with Axis1 as command generation axis. The problem is that the command generation axis current value is not be cleared to zero after restarting the cycle. It should be cleared to zero to be kept within stroke limit during the process. Thanks in advanced  
  10. Hi everyone...im new on clerarscada 2014 R1.1 . I dont know how to generate report in clerarscada 2014 R1.1 . Only report generation is remaining in my project. Is anyone known about this. Plz help me
  11. hi i am using vijeo citect 7.4 i generate a report automatically using a triger but the report generated in the .rtf form which any body can change the values in the report so i want to either make the report in the read only form or convert it automatically to pdf + i ' ve another problem i am tring to write a string in the report using the form {tag_name:############} where the tag_name is a variable string memory where i store in it a word "starter" when the report is generated only two letters "st" is generated can any body give me a solution for these two problems , thanks in advance .
  12. Hi everyone, Currently i am having a PGP server fail to connect to the node as per the ICI status screenshot as per link below. https://www.dropbox.com/s/0qg435zkqzou9p3/Node%20Disconnected.bmp?dl=0 Appreciate anyone can assist me on this matter. I'm a new control engineer who just started working in a power plant and has limited exposure to the troubleshooting of this and i really hope that any of you can assist me. Thank you very much.