Marjan

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Posts posted by Marjan

  2. Posted

    Hello everyone, we have started to use a new Schneider PLC M238 and we have some problems with Modbus communication. We are reading holding registers (%MW49=400050) and writing to this modbus register. This work's OK. Now we need to write a coil. On the M340 this was done like this: %M100= modbus register 000101. How can we write a single coil to the M238? best regards

  4. Posted

    Hi, I am going to use xCP Modbus slave driver for CP340 http://www.runmode.com/xcp_modbus.html. Now I have another problem. How to configure CP340 communication paramateres (baudrate, data bits, parity,..), because in the HW Config, where I can configure CP340 the button Parameters (Properties - CP340 RS232C...) is not enabled. Why is the button disabled? Best regards

  5. Posted

    Hello everyone, I have a problem with my memory card. I have a S7-313C with memory card. Now I can not download a program, because the the memory card is password protected and do not have a password. Is there any way to format the MMC so that I can download the program? Best regards

  7. Posted

    Hello everyone! I have just recived a CPU S7-313C with DI/DO modules, CP340 communication card and MD720-3 gprs modem. This is a water plant wich I need to put into scada iFix. I have a few experience with simatic plc but not very much with communication protocols with S7. I know this CP340 card does not support modbus protocol (driver). What protocol does this card support so I can linked to iFix scada. Is this SI7 or something else and how do I do it? Best regards

  13. Posted · Edited by Marjan

    I am using Mb1 opc server from geFanuc for modbus serial communication. My communication parameters are 9600,8,1,N (RTU) and Twido has modbus address 2. I am reading registers 400001 to 400008. I am using a coverter from RS485 to RS232, because Twido has RS485 port. If I connect Modicon momentum to this OPC server it work´s OK. What am I doing wrong?

  14. Posted

    Hello! I am trying to communicate with TWIDO TWDLCAA10DRF trough modbus OPC server. The server doesen´t poll the data from TWIDO. If I poll the same data with modscan, it work´s OK. Are there any additional settings to make in the Twdio so it will communicate with opc server? This standard modbus OPC server communicate´s fine with any other PLC´s. Have a nice day

  16. Posted · Edited by Marjan

    Hello! I am trying to connect Twido TWDLCAA10DRF and Magelis XBT H011010. I have made a cable to connect them and a test project. When I connect them, there is a note on Magelis DIALOG TABLE WRITING/READING IMPOSSIBLE. For the test I am trying to read one register from Twido. Cable connection is in attachments. Can anyone help me please!? Best regards

  19. Posted

    Thank you! Now I have another question. I want to put more rows in my FDB sections, but it seems it doesen´t wor, when I change it in the project settings. How can I do that? I was using direct adresses until now (like %M2001,...), but now I want´t to use symbols instead of direct adress. Why doesen´t change in the program from %M2001 to Pump1 when I put the symbol in the variable table with this address? Have a nice day

  25. Posted

    Hello again! Thank you for your answer! I have another question. We have a Micro 110-CPU 612-00 and we can´t connect to it, because we have forgot the parameters. Is it possible to put Micro to default settings anyway, so that we can then connnect to it? Or is there any program to scan the setting? Please help Have a nice day