werder85

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About werder85

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    Hi, I am New!
  • Birthday 02/25/85

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  • Location Brasov, Romania
  • Country Romania

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  1. Siemens Profibus Network

    I'm trying to set up a Profibus network between a CPU315-2DP (master) and a CPU314C-2DP (slave). I've got great problems. 1. For the master: when I'm configuring the hardware: I add the master, I add the Profibus network. If I download the hardware configuraton now, then there is no problem. If I add a slave to the Profibus network (the CPU314C-2DP) and download the configuration again, then immediately the SF LED goes on and the Bus LED starts to blink. Why? I haven't even downloaded OB1 and the PLC is in Stop Mode. 2.For the slave: When I configure the CPU314C-2DP as a Profibus DP Slave and download the configuration to it then again the SF LED goes on and the Bus LED blinks. Can someone help me? Thanks a lot!
  2. OPC Server

    Can you please tell me which PLC providers have OPC Servers? Do LS PLCs have OPC servers? Thanks!
  3. Arrays in Step 7 Manager

    How can I declare an array of real variables in the symbol table? If I just write ARRAY[1..10] of REAL, it says that it's an invalid data type. Thanks.
  4. Simatic S5

    I have to do some service works on a process driven by a Simatic S5 PLC. I've got an old software (Step 5 v7.2) which runs on DOS and which is very difficult to use. Does anyone know where I could find a newer version which runs on Windows, or at least some documentation about Step5? Thanks a lot!