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  1. Hello! I am using PLC TM221CE16R and SoMachine Basic v1.6. My PLC has firmware 1.6.0.1. I use analog expansion bus, input module TM3AI8. Everything was working fine for 2 hours until suddenly I got next message in SoMachine Basic: I/O expansion configured but is absent or inoperative. I/O expansion bus is not started. Since then ERR LED is always blinking. I already tried deleting program, updating firmware, removing expansion module in configuration page, removing/adding physical module, selected module as Optional, removing battery - nothing helped. If I try removing application, ERR LED is still blinking. Seems like I can't delete previous program, something like config file is burned into PLC.  On the other hand: if I write some simple program, PLC works fine. It turns on/off relays correctly. Just expansion bus is not working. It is not working even if it's not configured or attached physically to PLC.Can anybody please help me? It is really frustrating.
  2. Dear experts, I have a problem with drive for servo motor "Schneider elau c400", the problem is that I was doing parameters backup, but it stopped suddenly and tgen I found that all parameters back to default, what are the initial parameters of the drive which can start the motor?
  3. Hello,   I need to communicate a Datalogic Qw2120 ( with a USB connector  )  to a Modicon M251, it has a RJ45 Serial, i don´t know where to start , can anyone please give me a hand ? I would appreciate it very much.    
  4. Hello,   I need to communicate a Datalogic Qw2120 ( with a USB connector  )  to a Modicon M251, it has a RJ45 Serial, i don´t know where to start , can anyone please give me a hand ? I would appreciate it very much.
  5.   Hi everybody, this is me psoting for the first time here.  Currently I am taking a distributed control systems course, and one of our current tasks is the following: "Develop a control system with the task to control an induction (asnychronous) motor. You may use HMI SCU 8B5 (Schneider electric PLC) and Altivar71( Schneider VFD). The communication protocol to be used is CanOpen. The process should be visualized on the HMI of the PLC. Using the IGSS scada system, you should be able to control and observe the system on a PC." I have written the SoMachine program that I will upload to the PLC(basically Schneider provided the code for the exact same hardware:https://drive.google.com/file/d/1VW9deqK5TeEEQeA6fZZjteijUs7xVPcH/view?usp=sharing). Then I moved on to set up the IGSS scada program, following the pdf manual listed on their site, page 18 and on:http://d2i1dro1ulg1xm.cloudfront.net/training/FullWS_Exercise_Master.pdf . I tried to follow through all the steps, however I do have a few questions. First, in step 8., which driver should I use for my hardware? I selected the Modicon driver, as that was one of the few Schneider drivers available(see attached image). My second question is with regards to connecting the variables that the PLC sends to the PC and actual objects in the graphical environment, such as on page 32. How do I do it? If anyone has more materials on this topic, it would be greatly appreciated. I can't get any help from my tutor(he refuses, and says we do our own research). If you know somebody who could perhaps help me out on this one, please feel free to share with them this question.     
  6. Hello, I am new to the forum. Being doing a lot of googling to see if theirs any cross-compatibility between an M241 PLC and a Simatic panel PC and stumbled across this forum which hopefully could help me out. I'm starting an automation project to automate my home brewery. The M241 from Schneider electric seems to tick the boxes for what I require.  At my work theirs a redundant Simatic Panel PC 670 just waiting to be recycled. My question is, can I use the panel pc purely as an HMI for the M241?  
  7. Hi Everyone! Where are my experts? I am undertaking a project at work. The project contains analog style motor positioning circuits (operational amplifiers, integrators, and other PI elements). Not that this is relevant to the post yet ;) .It's my first PLC project ever! I am using the Schneider M258 with SoMachine 4.1 The PLC is talking to SoMachine via Ethernet (obviously I have a router between the PLC and my pc).I can Login and run the first POU I created. It's a simple And logic circuit for now. I have a co worker (c programmer) agreeing to help me pass data from my PLC to a browser screen. Although he's not familiar with PLC he's quite skilled writing code. He has wrote a Modbus protocol which allows him to interpret Modbus commands on his desktop.   1) Do I Need any special hardware to pass the data out of the PLC into the Router then into his browser. 2) As a trial can I send him MODBUS commands regarding my AND circuit? 3) How do I create such a command? 4) Is it possible for him to send me Modbus commands to change variables inside my program? 5) Are there web browser "plug-ins" for this idea? Thanks for reading and hopefully all of you can help me answer some of these questions.        
  8. Hi all,   currently as part of a project I am trying to communicate between a Schneider M340 plc and an Allen Bradley micrologix processor. I am programming the M340 and the micrologix has been installed by another supplier. they have mapped the Modbus registers on their side and given me a spreadsheet with these.  I am able to read values with no issue but I cannot write values back.   i've included a screenshot or the read_var and write_var instructions I am using. I would really appreciate any help if anyone has any insight on this   Mark
  9. I need to charge a plc program on a TSX67. Can you tell me which cable and program  I need to connect and charge to the TSX67Can you help me please?
  10. Hi all, I am working at a company that has a paint booth that is rather outdated. It has 10 robots in the booth and the safety circuit for each robot is controlled by a Modicon Nano TSX PLC. I have managed to successfully download the programs with the PL7-07 software (managed to do it on a laptop with window XP). We have some back up programs that were taken roughly 4 years ago and I would like to load them both up on the software and compare them. Is this function possible and if so how do I do it?   Thanks  Shane
  11. I need help regarding setting up modbus communication between Allen bradley micrologix 1400 and Schneider altivar312 vfd and rslinx for pc. I am totally stuck with it. 
  12. I can not figure out how to perform Io Scanning without using NOE Module  Is it by using Read_Var and Write_Var ?  and if it is , How . Any links can help ?
  13. Hi,friends. I have a project which is about control of speed.When I do this ,I need to use  Schneider PLC with M238 by using PID Controller.I decided to  control  speed of electric motor of this PLC . Is there any source material or anyone who struggled with this before  for this project?
  14. Hi,  i want to read real time and date in simulation mode. How can i do this in Unity pro? Thanks for helping
  15. ASCII Code 8 Byte In Twido

    Hey Guys!!!! I'm trying to use ASCII 8 bites in TWIDO PLC and on MOD BUS TCPIP it connected to WinCC , where I'm trying to read the ASCII in as a STRING char that to in 8bits. The problem I'm facing is that it is getting swapped like if I'm writing VA in PLC then on SCADA it is showing AV. In WinCC there is no setting for word swapping. Therefore Kindly help me for this in plc end
  16. Hey Guys!!!! I'm trying to use ASCII 8 bites in TWIDO PLC and on MOD BUS TCPIP it connected to WinCC , where I'm trying to read the ASCII in as a STRING char that to in 8bits. The problem I'm facing is that it is getting swapped like if I'm writing VA in PLC then on SCADA it is showing AV. In WinCC there is no setting for word swapping. Therefore Kindly help me for this in plc end
  17. Hi all, I am trying to control and/or read values from Schneider Altivar12 VFDs. Via Modbus on a AB Micro850 PLC (using the Connected Components Workbench Software). There seems to be two ways to do this with the Micro850, either with messaging (using the msg_modbus instruction function block) or with the Modbus mapping feature. I have a list of the communication parameters (see attached fileATV12_Communication_parameters_BBV51917_1.4IE05b.xls ATV32 Communication parameters_a1.2ie03.xls) But I haven't had any experience with Modbus and I am not having any success. There is not very much documentation about how to do this, If anyone can help me who has done this or knows how to do it I would appreciate it.  
  18. Hi everyone, I would like change user password on HMI GTO via Vijeo script. I don't know which variables store the password. Anybody as an idea? Thank you in advance
  19.   Hi All.I hope you are all doing excellent and also, hope you can help me.Today I contact you as I am having some issue when programming a PLC.I need to create a piece of software that:1) Can control a random number of machines at any given time.2) Each machine is a slave 3) They are exactly the same, do exactly the same thing.--------------So far I have managed to create a piece of code that allows me to control a fixed number of machines but things get complicated when one job does not need 10 machines but 20 and the next one needs 15, and the next need 5 and so on.I have thought to use arrays to do this job but this is an area I have not touched at all and I would like to ask for your advice in this area.I hope everything is understood.Thank you very much for your help in advance.
  20. Hello, I got a new work job to design a cycle tester for a mechanism to make sure will work for at least 5000 cycles open - close. I never made a pls program I start researching few days ago and seams to be very complicate to make it. I have a TM221C16R PLC from Schneider. please help me with some instructions. the cycle tester will have a start pushbutton, stop pushbutton, door open switch, one air cylinder with solenoid to push and pull and a counter. Thank you, Romica
  21. Hello everyone, I hope you are all doing very great, I'm new to Schneider PLCs and I have a project that I need to work on, so I will need your help with the following issues: *) How can one determine which Schneider PLC series is used if you only have a fuzzy picture of the PLC ?  *) I need to setup a historic of alarms, I have 13 PLCs, no connexion between them... I was thinking about creating a connexion between those PLCs and a database, so I need your help to determine a list of ALL the materials i will need (from cables to servers to a computer if necessary...) and some documentation on how that can be done... Thank you so much for helping me, Best regards
  22. Hello guys,   I'm new on this forum but I'm not new at PLC programming world. So far I had only experience with Siemens PLC controllers.    Now I have a relatively simple application in which I have 12 DI, 4 DO, 4 AI and 4 AO. The client insists that I use Schneider PLCs. I must admit that I had no previous experience  with these PLCs. Therefore I kindly ask for your help in choosing the appropriate PLC configuration.  The PLC must have RJ45 for connection to LAN network. I want to create a small HMI application and thinking of using IGSS software. There will be one simple PID controller to control temperature in one vessel.  Temperature is 4-20 mA signal. Via HMI application, operator can change setpoint for the temperature closed loop. Also, I need that other computer on the network have possibility to open HMI picture but only in read only mode. For this purpose, Web server would be ideal. I was thinking of using M258, but it seems to big controller for this number of I/Os. What can you suggest me regarding the PLC configuration and HMI software? Thank you!
  23. Hello there. I have connected wireless module (master) to Vijeo Citect 7.4 using RS-485 to USB converter. My slave modules are supplied power from gird/generator and the master module is supplies from a UPS.    I'm reading Modbus registers of slaves modules data via wireless master. Every time we have a power failure from grid, I get #BAD from all slave addresses. The generator kicks off within 30 sec. That is the slaves are off for 30 sec. Even after the slaves are powered on, SCADA does not poll data from it until I restart the SCADA.    My current MODBUS parameters are:   Inittype = 3, TimeOut = 3000, WatchTime = 10, Retry = 2. Could you please assist me on which parameters to change in .ini so that SCADA reads Modbus registers of slave for more than 30 sec.   I tried increasing TimeOut to 30000 but it couldn't solve the problem. I would appreciate if some one could help me out.   Thanak you in advance.      
  24. Hi, Um new to plc and at the beggining i bought a Twido TWDLCAA24DRF old one without the cable.I want to know if any rs485 to usb cable is possible to programme this plc? please someone help me   is this cable is possible?
  25. Hello, i have a premium plc of modicon schneider electric i made the application 6 years ago and now i want to change my variables but my password does not work anymore or i forgot. does anyone know how to recover this or to crack my own password. th   suriname