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11/28/2012 3:21 PM | |
Joined: 8/31/2005 Last visit: 8/20/2024 Posts: 2198 Rating: (328) |
The USB-MPI Adapter gets it's power from the MPI/DP side. Due this, it uses a 4 wire cable. The S7-CPUs supply 24V on there MPI/DP connector (details) . If you plug the adapter on a CPU it works fine and you can reach all stations on the bus. But if you want to connect it someware else on your PROFIBUS, you have supply the adapter with this 24V. But more important is: The maximal speed the adapter supportson the MPI/DPBus is 1,5 Mbaud! Have a look on the CP 5711, this module supports all speeds (up to 12 Mbaud) and HMI downloads. |
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