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I have a PROFIBUS DP network with ProSoft PROFIBUS DP Master solution that appears to be operating normally (no bus faults, slaves report "OK"), but I am unable to control my devices. What |
Article Number: 393 | Rating: Unrated | Last Updated: Wed, Mar 9, 2011 at 2:32 PM |
Many things can result in these symptoms. One of the most common causes is that not all slave manufacturers use a standard byte order. It is very possible that when you think you're sending a value of "1" to a slave's bit address 0, you may be sending a "1" to the slave's bit address 8. Enabling the Swap Input/Output Byte parameter would resolve the issue in this case. |
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