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The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
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from the new kid department...
ABB ACS 800 Siemens S7300
I built up a DP-Profibus master system with S7315-2DP with several ACS800 drives. Everything seems OK, there is no bus fault, but there is a constant "COMM MODULE FAULT" on every drive. I can read the information from PZD1 and PZD2 with PLC but when I try to enter a value for PZD3 in drive it turns back to zero after refreshing the data. Is there anybody who has an idea of what I did wrong? I use PPO type 4 and DP mode is 1. The version of GSD file is 10812. Will appreciate any kind of help.
From Control Engineering magazine...
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