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  1. Hi Everyone,I have a customer that needs a CQM1H (CPU51) replaced. They purchased the processor new-old-stock from a source they found online. It arrived in the original packaging and had the safety label around the top of the unit, so it seems that it is as advertised and no need to suspect that it would have problems. I purchased secondhand, a power supply to attach to it and program it from the bench instead of in the machine. The customer also provided me with an SD card containing the project file(s) for the machine. I am able to load the project in CX-ONE (running on Win 7) just fine. My computer has a native serial port (COM1) and I built a programming cable to work with the DB9 peripheral port according to a diagram I found online.The processor powers up right away with the ERR/ALM continuously on. No other LEDs came on initially, and after a bit of playing around with communications settings, I finally landed the right protocol and my computer seemed to identify the processor correctly. I compiled the source and attempted a transfer to the PLC. I got some failed message (or maybe messages) at the end of the transfer. It did seem to send all of the binary code, it just ended with an error message that I unfortunately didn't write down or grab a screenshot.Anyway, what I have now is a PLC processor with the ERR/ALM LED on always, I've never seen it in RUN mode, and now after the programming attempt, I'm seeing the COMM LED strobing at about a .5sec frequency (with or without a cable attached to the peripheral port), AND I cannot get CX-Programmer to again acknowledge the processor anymore. I'd like to reset this back to the way it arrived to me, but can't figure out how to make that happen offline. The DIP switches don't seem to cause that effect. I should say also that the DIP switch settings are all OFF except 3 and 7.Any help is much appreciated!Thanks,John  
  2. Hi all , I have been using MELSEC - Q series plc for the past two project i dont find any issue with that but for the third project  used same PLC same model but there is issue which I found unable to resolve  The issue is when i try to communicate PLC using LAN cable by direct ethernet connection it works normally but by communicating using HUB network I cannot communicate, I checked all the parameters setting, I dont know what is the issue even contacted mitshubshi service to troubleshoot but they are not responding  So here i am for your guidence to solve this issue   see the images below to analyse this issue This connection is direct ethernet connection which works normally    The parameters are set and writed to PLC The IP is set to my PC for communication  When i try to find the cpu in the network it shows the cpu IP  After that I checked for connection Test it show error I have also attached the Network route which i used to communicate  Network Drawing.pdf I hope someone will help me to solve this issue Thank you , madhan ravichandran
  3. Hi all, I would like to know how to communicate scale indicator device mettler Toledo ind 320 using  module QJ71C24N-R4 by predefined protocal   I also tired to communicate in CH1 with the G.INPUT instruction to communicate when the device in MT continue mode it does communicate but I dont know how to convert value Now by trying modbus communication predefined protocal works fine but i cannot read data the is no SD/RD transmission happening  Can anyone help me with this  Thank you serial monitor.gxw serial monitor.gxw
  4. GT Designer - Alarm Screen

    Hello all.. I have a program for my customer.  There is an alarm page.  They want a solution screen for alarms. For example ; if there is an alarm , they will click a button near the alarm. They will see solutions for that alarms in a pop-up page. Is it possible with GT Designer  3 ? Thanks
  5. Alarm History on GT1275

    I'm using a GT1275 HMI with GTDesigner3 and am trying to add some Alarm Logging capabilities. I've made an alarm page and have it working correctly, but the problem is once the display is full it stops showing current alarms. Is there a way to have it only show the 20 most recent alarms? Make it where the newest alarm deletes the oldest alarm? Or at least make it where I can scroll down to see the latest alarm?   I've attached some screenshots of the current alarm page and settings. I tried the "clear oldest history..." button but I can't set a specified target value. That may not be the right way either so IDK.  Thanks. 
  6. Hi, Is there a way to write an Event Name to a string variable in Sysmac Studio? I'm using a NJ-301. My problem is that I can detect that there is an error and get the Error Code using functions GetECError, GetMCError, GetPLCError, etc, but I want to get the Event Name associated with the code (in a string variable), to display that string on an HMI (not from Omron). Is this possible?
  7. Crouzet Millenium 3

    Recently had to get a program out of a millenium 3 plc which I had programmed a few years ago but the cable would not connect.The only difference this time ,as my laptop no longer had a rs232 port,was the use of a USB to rs232 converter. Having trawled the web I managed to find the circuit of the interface cable below. It looks like the signal from the computer uses the negative going part of the pulses which aren't present on most usb to rs232 converters. Is this correct?
  8. Hello, Good Day All. I am facing this issue while I am going to copy old plc to new plc. but old plc having 4965 steps, once going execute this program to new plc its showing more than 8000 steps. please suggest on this. PFA.
  9. Good morning Today I have the honor to present you our project, on which we have worked the last months. We have been annoyed for years that when creating software in special machine building, sometimes the same/similar messages are created over and over again and then they are described similarly or the same in the machine documentation. The thought, if the mechanical components are mostly the same/similar, the error description can also be "copied" (at least initially). An Excel table with the error numbers seemed to us here a good beginning, however it would be practical, if with each message text also still the description to the message in a document, including pictures, tables etc., were deposited. This was then the point where we first thought about an online tool. This also solves problems with collaboration and makes it possible to work together. Also additional languages can be added if a machine is to be rolled out to a new market. PLC-Alarm is a young Austrian startup founded by PLC programmers to ease the handling with machine messages and their descriptions. Therefore we tried to solve the following problems besides the creation of an error list: Working together on message lists Hierarchical creation of message lists Inheritance of message texts and message descriptions to lower-level projects Adding additional message lists to make message texts more variable. Adding a description to any message text in any language via Google Docs. (Connection to Microsoft Word-online is in progress) Document template for uniform presentation Combining all message descriptions into one machine document file. Highlighting used messages to avoid having unused message text in the message list. And to shorten the machine document file. Upload a file containing the used message numbers to mark them automatically. Any export options for PLC, SCADA and HMI systems possible. (Currently optimized for TIA Portal only). Suggestions for additional features welcome As mentioned in the last point, currently only exporting for a TIA Portal text list is possible since the first customers are also programming on Siemens. But we are looking forward to extend this according to customer requirements. Do not hesitate contact us via e-mail. We invite you to test our free web applications and leave your feedback. The application is already successfully in use at the first customer and we are looking forward to more users. Homepage: https://plc-alarm.com WebApp: https://www.plc-alarm.app Thank you for reading to the end ;) Have a successful day Franz Pachinger PLC-Alarm.com Support@plc-alarm.app
  10.   Hello, I downloaded the program from the M251 PLC program, using the SoMachine4.3 environment. However, the downloaded program does not compile because the library is missing. The library is from a different manufacturer. Is it possible to find this library on the M251 PLC device? is there any way?
  11. Anyone you know any books,software or educational package to learn plc program at home Please??  
  12. Mitsubishi Fx2n Modbus rtu vfd

    Hello everyone, may you all bless with the best. Can anyone please help me on connecting and programming In Modbus rtu INVT CHF-100A vfd with FX2n having rs485-bd module. I want to connect 11 vfd and one fx2n plc also .
  13. Mitsubishi Fx2n Modbus rtu vfd

    Hello everyone, may you all bless with the best. Can anyone please help me on connecting and programming In Modbus rtu INVT CHF-100A vfd with FX2n having rs485-bd module. I want to connect 11 vfd and one fx2n plc also 
  14. Hello everyone,  I have a Panelview plus 600 ( I know it’s old but I’m trying to get it to work). It’s on a yogurt bucket filler, I don't have any application to run or to do anything. What software do I need on a computer to be able to transfer it to the panelview. Is this even possible?  There is nothing in the memory right now but how to I program it and what program do I use?  I’m in the Los Angeles area and even willing to pay for someone to come and do it.  I need to get this to work, thank you so much. 
  15. E-Designer

    I have E-Designer 7.52 Build 344 installed on 3 windows 7 laptops the 2 that the problem is on are Pro 64 and the 1 thats working is Home Premium 64 but I seem to recall having this problem on the the Home one 9 years ago and getting it sorted but cant remember how The problem In Alarms,  Alarms New Alarm Alarm text: When typing cursor stays at left side and can only be moved to the right by the arrow key then jumps to left side after letter is pressed or you can type in reverse Signal:        Typing works normal OK:             Entry is not valid ;May not be blank Copy: Ok: Same result Properties:Ok:Same again Is there anyone who can help me with this as the laptop that works is on its last legs Thanks  
  16. MITSUBISHI A1S68AD PROGRAM

    HELLO EVERYONE I am having problem writing in A1S68AD program, please help me out. My system configuration is as :- 1. A1S POWER SUPPLY   2. A2SHCPU   3. A1SJ71AT21B    4. A1S68AD  5. A1S62DA  6. A1SX81-S2 7.  A1SX81-S2  8. A1SX81-S2  9. A1SY10  10. A1SY10  11. A1SY10  12. A1SX80-S2  13. A1SX80-S2 14. A1SY10  This is my existing configuration. But now there is one more slot empty and now i want to add one A1S68AD CARD in the empty slot, i tried writing the program for this card, but plc gives me error. SO, anyone can send me the program with addresses for this card. It will be very helpful as I am new to this A series Mitsubishi PLC. AND HERE BELOW IS THE ATTACHED EXISTING PLC PROGRAM AND SYSTEM IMAGES. PLC PROGRAM.zip
  17. I am trying to online edit a program in a MELSEC QCPU, using GX Works2, but I keep getting this error "A file which does not exist in the PLC was specified" <ES:010a4022> Few weeks ago I had just online edited the same program in the same PLC with the same steps with no problem. There had been no changes to the PLC after that. Just all a sudden when I try to edit yesterday I get this error. Not an expert in Mitsubishi, just started learning the basics. Connection to PLC is by USB cable. Steps I followed to connect to PLC:    -Online > Read from PLC    -Select PLC Series: QCPU (Q mode)    -Select PLC side I/F Serial Setting: Serial USB    -Select all target program to Read, then Execute I am editing the file that I had just read from PLC Steps I followed to online edit:    -Online > Monitor > Monitor (Write mode)    -Execute the function below when mode is changed: Checked all    -Edit the program (basically just deleted one -||- contact and drew back the line)    -Compile > Online Program Change Then Bam! error get! "A file which does not exist in the PLC was specified" <ES:010a4022> I had tried Verify with PLC, but all results match. Is there something I am missing? Help much appreciated!
  18. Hi fellow PLC veterans, I am new in the PLC world so please forgive me if my questions read dumb to you..   I am just wondering if there are any newer PLC machines that can: 1. keep the program even after its battery is completely flat or faulty  (Is this even possible?) 2. allow users to copy and save the program somewhere so one can install the program again without the need/presence of the machine supplier What tools/software may be required?   Thank you for reading and look forward to your response :)
  19. Unconverted Ladder Code?

    Hi All, Please see attached screenshot: Whenever I want to save the ladder program or start simulation, this window pops-up. If I press 'yes' I loose the whole work. I tried to open existing program and modify it, but it did the same. When I clicked 'yes' I lost all modification and just the original program remained. (I made the program in the morning, opened and saved many times but it started popping this window later.) I work with FXCPU series, FX3U/FX3UC type, simple project in ladder. This worked well but now is not anymore. I use Melsoft GX Simulator! Can anyone advise why this is happening? It is very annoying! It is pointless to work on anything now! Many thanks
  20. Hi, guys.I am struggling to develop a solution for a costumer in a Historical Alarm Viewer screen, I am new to Cimplicity and to database supervisory interface. Among other things, the customer is asking to:- Change the "A"; "R"; "G"; "N" notations under "log_action" column to somenthing more intuitive for the users (operation). Please have a look at the image "image.jpg";-Change the point manager process "MASTER_PTMR0_RP" log under "logged_by" column to the user that is currently logged in. Specificaly saying, when I send a command (changing a setpoint or issue a reset command, for example), although it is the user acting, the historical alarm viewer logs the action as "MASTER_PTMR_RP". I Imagine that is because this process is reponsable for exchange point data to/from the IHM points database, but it is still essential to the system administrator to know which user sent that reset command or changed the variable setpoint.The log inputs at the image "image.jpg" has boolean and integer commands (".CXX" sufix);-Log into the historical alarm viewer if the user logs out and what user logged in.It is valid to mention that I am using the ALARM_LOG table (apparently it is the only table working with the application, DATA_LOG, EM_LOG and the others simply do not work, they don't show any column at all, honestly I don't know why).I tried to use Microsoft SQL Server Management Studio to edit the table information, but, somehow, it seems to be blocked to edition.I imagine they are some specific configurations, but I have no idea on how to acomplish them. Maybe if I could use other tables would fulfill the requirements, but , like I said, they are not working (right now I am trying to re-configure the Database Logger from the beggingin to see if it works with other tables).If you could give me some inisights on how to change these settings I would be very grateful. I will be happy to give more information if needed.Thanks in advance.
  21. Has anyone found a way to put the UserAlarmViewer messages into a Label? I use 3 different alarm levels and would like to have a single line alarm banner. In NJ, I use an Array of Bool for triggers. In Siemens, I made a message banner that cycles through each message every 3 seconds from a text file and displays the string in a label. Logic is much different in Omron so rewriting is not possible, nor does Omron use VBA.
  22. I have an analog output card 1734-OE2V and there is in the fault/actions page parameters for program mode. What is program mode and when it is activated? Fault mode is clear but... Program should be written the value, but when this happens?
  23. Hi all, I am using alarms to generate reports through sql . But sometimes my alarms are getting missed and due to that my reports are not getting proper expected output. My alarm bit is almost high for 3 to 6 seconds , however i have observed that its getting missed . I dont know why . In below image after @22.41.03 the next snap should have been captured around @22.41.33 Instead of that it captured @22.42.03 have anyone faced issue with alarm missing issue? Any suggestions would be very helpful.   Thank you.
  24. MITSUBISHI A2SH-S1 CPU

    Hey i want to know that in mitsubishi A2SH-S1 CPU how can i determine that battery voltage is what and if battery voltage is low then i want to on an output so that i can change the battery with the new one so that my program does not gets erased. 
  25. Pumps controlled with counter

    I need som help and suggestion how i can control 2 pumps that shall go 10 times each?i have 2 level sensors that is giving it the start and stop,and pump1 shall start 10 times,then pump2 shall start 10 times.Can i use CNT and how is the best smooth way to do it?   thx