Problems downloading program at Freelance
Greetings sirs/madames from ABB,
I receintly had problems doing the download for two AC900 Controllers. The controllers have two independent Profibus networks and share a common Industrial Ethernet Switch. Randomly, the discharge presents problems, having to stop the two PLCs, reseting the PLCs and stopping the communication with the Workstations.
Please help me answering these questions:
1. What is the cause of this fault?
2. Is this fault related with network connections or earthing?
3. Is the fault related with memory restriction of the controllers?
4. How can I solve this problem?
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