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  1. 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!
  2. Hello everyone! I would like to connect a Micrologix 1100 with Citect 7.5 via ABMLXEIP (updated to latest version). I tried everything and it is still not working. The Citect and the PLC are on the same subnet and the ping works fine. All the configuration is done as the manual says (I attach the pictures). I have one NIC card and is connected to the PLC. The role is setted to “Server and Control Client”. The kernel has this error: [ERROR] [CORE] [0x07fc] [IOServer] [(GLOBAL)] [ErrorLog()][errlog.cpp] [266 ] Error: Channel offline, cannot talk CINIT 0015 PORT1_BOARD1 IODev_1100 Error_in_CMD-2 16 Generic 000021 Driver 00000020 (0x00000014) Any help would be much appreciated! Thanks, Gustavo.
  3. So, I have thought about creating my own Business for the last few years. With this business I would go shop to shop/factory to factory teaching anywhere from Basic PLC programming to HMI design and integrations. I love to share any bit of my Knowledge/experience with anyone and I have learned this more when at my first engineering job they had me train several guys on how to start up Servo Motor jobs with PLC and HMI's. I really enjoyed helping others learn and get over the hump of intimidation and lack of experience with electronics and such. I have had a lot of different experience from being an Electrician for 5 years to Engineering 10+ years now- (Design, Software, Startups, Service work, Installs, and Management) I then started a career of being a PLC Instructor (part-time for 1 year now) for adults and this too help me with my idea of starting my business. At my instructing school we would get a variety of people anywhere from fresh out of High School to experienced Maintenance guys that want to specialize in PLC and HMI's.  With all of this being said, does anyone think there would be a great amount of need for someone to come your work place and teach Allen Bradley, Omron, and Mitsubishi PLC and HMI and maybe one day down the road Servo Motors and logic for them too? I think that more one on one with a couple trainer lab stations, I could really help not only workers advance themselves but also companies benefit both? I have gone to training for my previous employers, sometimes traveling far away for a week at a time and costing my employer a lot of money where my rate would be much less and on-site of the customer/trainee's. Starting out I have bought several used pieces of PLC's, Input Cards, Output Cards, (Only Allen Bradley for now). I have also bought cases to make my training units more safe and portable. Looking at creating a business name and logo as well as possibly creating a (LLC). It has been a slow but steady process though. Feel free to add anything or comment anything to this with ideas.   Thanks!
  4. Dear all, I have a FX2N-20MR chinese semi-clon of a Mitsubishi PLC. It has only a serial DB9 port that cannot be removed or exchanged (which is possible in the Mitsubishi original PLC). I wonder if I can make a simple SCADA system using that port and just one computer. I am reading this post: https://forums.mrplc.com/index.php?/topic/9653-fx-series-and-modbus/ And I am wondering how I can do what it is suggested there in the second message:  to use a free FB block, available in GX IEC (but not in GX Developer), which will communicate modbus via a standard RS232 BD board. Later on it mentions a library called ModbSFX. That message is from 15 years ago so I am wondering if now there is some other way to do it, perhaps some other software has that functionality? I don't have GX IEC. I am a student trying to make a project so I would like a cheap and simple solution. Any help to do so will be very welcome. Thanks Regards Marcelo
  5. I am now part of a startup company based on energy optimisation of HVAC in buildings. I am assigned to have research on which SCADA system to select for HVAC energy optimisation. The model is in such a way that, we need to create a SCADA / HMI for the client's building on top of existing Building Management System (BMS) to achieve energy saving.  I am still an intern and I am requested to research on various SCADA options available in the market. I have few doubts regarding: 1. How can I select one SCADA / HMI over the other?  2.GE Cimplicity and Niagara 4 are two option which I am interested in. What is the major difference between both? (Price and functionality) 3. Is Tridium Niagara 4 a SCADA software? ( I read about it but I didn't understand as I am new to this field). Is it same like tia portal which is a software that is used to program plc and create user interface??
  6. The tunisian electricity and gas company (STEG) launched tender a new  project where at least 36 RTU of HV/MW substations shall be supplied as well as other telecom systems. https://www.afdb.org/fr/documents/aao-tunisie-amenagement-du-systeme-global-de-teletransmission-et-de-teleconduite-du-reseau-de-transport-de-la-steg To whom interested: you are invited to participate in this tender. The submission date will be : August 4th, 2021. Best regards
  7. Hello Guys, Im trying to stream camera in indusoft thorigh vlc plugin (Activex), I want to use RTSP to stream, we have the URL rdy, but dont know where to insert Someone tried this before, rly need assitance. THANKS!!!
  8. Here is my setup - Factorytalk view SE V 7.0 with Primary and secondary servers. System gets replicated from primary to secondary once in a week. After the primary server was restarted due to some issue, all the HMI tags lost their values. 'Retentive' checkbox was checked on all HMI tags, initial value field is blank. According to the description of 'Retentive' field in the help file, the HMI tag should hold its value even after the server is restarted if the box is checked. Also, secondary server should have held those same values while primary was rebooting, but as of now all my HMI tags field are blanks. Am I looking at a patch roll up here?
  9. Hello, I am new to Scada Programming. I am using Citect scada V7.50. I have completed whole project, but I am unable to generate Excel report for Alarms generated during run time. Please help me for this issue. Thanks...
  10. Do you have a known ac repair expert in contacts who can help me fix the issue i am having with my air conditioning unit?
  11. Datamap Tests

    Hi All, Bit of a noob here. I started a new project where the client is upgrading their SCADA system, and as such every discrete needs to be toggled, and every analog range needs to be tested. I've created an excel database with every register, however, changing the value in the tag is too manual for me and I'm trying to find a way to increase the automation. I am looking for a solution where I can write directly with the tags instead of fumbling through the horror which is Proficy. I've seen some mentions of using the trial version of Ignition but I am struggling to get that to a useable state.    Any ideas greatly appreciated.
  12. Mitsubishi PLC with Fernhill SCADA

    Hi, Has anyone here has experience of using Fernhill SCADA with Mitsubishi PLC FX3U Series? I want to monitor PLC's data in real time through FX3U-ENET-ADP ethernet adapter using Fernhill SCADA software. Thanks in advance for the answer.
  13. Hello, I am trying to have single press and double press etc. functionality in my PLC program where for example, single press will turn on the motor whereas double press will turn on the motor for 5 seconds. Is it possible to achieve using ladder logic in sysmac studio, if yes, how? Thank you in advance.
  14. I will work on Q2A series Mitsubishi which seems to be around 20 years old. And wondering if I can connect directly to RS-422 (25 pin D sub) (picture below) port on the CPU module? As far as I understand from the manual this port can be accessed only by a Mitsubishi programming module (Q6CPU)? The only alternative I can see from the I/O Devices is that there is A1SJ7QC24 which I assume is used for HMI, in this case I could possibly connect to RS-485 or RS-232C channel (depending which one is free). My question is by connecting to QC24 module would I be able to make my modifications online? Thanks, Tom  
  15. I am pretty new to the SCADA world. I wanted to know what are the advantages of using a paid proprietary SCADA software such as WinCC, Wonderware, cimplicity over free software such as OpenSCADA, OpenAPI, IndigoSCADA and so on. I have read, there are more layers of security in the paid one. What does that mean? What are the other main differences between the paid and free ones out there in the market?
  16. Good day    Can some one tell me , i have a compact logic PLC L36ERM, How can i monitor it online by following the contacts while this add on instruction is in operation ? WHen ever i am online and want to monitor it its greyed out and i cant do changes ? This means i have to go off line and do a complete download after changes    Am i doing something wrong ?   Regards 
  17. What Is a PLC Communication Error?

    PLC doesn't respond to communication requests or responds negatively to such requests. A PLC communication error can occur between the programmable computer and the devices it controls or when the technician attempts to program the device. If anybody have idea then share i am fresher now i learn it from CETPA INFOTECH. I think this is the best place to ask.
  18. Hi All, Hope you all doing well in this pandemic life.  I would need your expertise with an issue I have been struggling with for past few days and thought to reach out here. I am working on a migration project with GE PLC and Citect SCADA 7.10. The GE PLC is migrated to ControlLogix L74 Rev24.10 while Citect SCADA is retained. For testing I only have L71 and L82 and could not managed to organise L74. When the code the loaded in L71 and connected to Citect, I cannot see tags in Graphic page but I see the subscription.txt in Debug folder shows all tags good . The same code when loaded in L82, the Citect works instantly.  Does anyone know this behaviour of PLC and SCADA? Regards, DeeEngr    
  19. Hello Guys, I am very new to CIP messaging and in our project, we are trying to Controllogix to SCADA server using CIP messaging: What I understand from the process right now is : 1. SCADA Opens a connection for Large forward Open ( Connection size set at 2500 bytes) 2. PLC responds and establishes a connection 3. SCADA send an MSP request to access tags from PLC 4. PLC responds to this request The problem we are facing is the PLC doesn't send out a response of more than 240 bytes, Have any of you guys have faced a similar issue or can help me with troubleshooting?   Thanks in advance Attached screen captures from wire           
  20. We recently added a new analog card to a remote rack that is communicates to a processor rack that has a redundant partner... We made the change when the processor was online, do we need to do anything on the redundant side? 
  21. Analysing SCADA systems

    Hey guys, I'm currently working on a project to analyze available SCADA systems and make a systematic comparison of some of these selected options. In today's markets, there's a constant rise in demand for Industry 4.0 applications in the production process, connectivity, and data acquisition. What are some other important technical factors that need to be considered in order to compare these systems?
  22. Network Dropouts at Night!

    We have been having a re-occurring issue where some of our PLC's throughout our plant have a network outage that occurs around the same time every night. The PLC's are disbursed among the plant and it has been confirmed no large pieces of equipment are being turned on around this time every night... The network traffic does not fluctuate around this time and is not near a "troubling" level. There was a reboot to one of our servers on the same VLAN as the PLC's that are having the connectivity issues... What could have changed from a server reboot to remedy this issue, the server is not communicating to the PLC's, they are just on the same VLAN. 
  23. Hi Friends,     I am doing online PLC HMI training for mitsubishi.i am familiar with this Factory Automation product for 10+ years. For further details contact me.. Feel free to contact me. https://plc-online-training1.blogspot.com
  24. Hi Friends,     I am doing online PLC HMI training for mitsubishi.i am familiar with this Factory Automation product for 10+ years. For further details contact me.. https://plc-online-training1.blogspot.com
  25. Wonderware DASMTEthernet Driver

    I have a client who is duplicating an existing Wonderware SCADA/MELSEC Q Series with a Wonderware 2014 R2 configuration, which they want to maintain that version.  The driver they use is the DASMTEthernet, which is no longer available from Wonderware.  I'm looking for any lead I can find to get hold of this driver, or a good solution to resolve the communications.