Profibus, DP, and MPI

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Hi to all How many of you have had to replace a still working hmi with a different model in a system without having sources? Well, in my...
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what is mpi and profibus and what are the differences between them???????
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Hi, I have a new Siemens 400H-CPU. On the rack there is a power module, a CPU and an ethernet card. I need to download the hardware...
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Hello everyone, I have S7-300 PLC connected to HMI pannel with Profibus. I bought a USB/MPI+ cable from ebay, now this cable does not support...
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hi all, i would appreciate any help on the following. 1.how does the master check for(enumerates)the available devices on the bus. 2.how does...
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