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SCADA blocking KTP-600

Created by: Pipo75 at: 12/16/2013 8:14 PM (2 Replies)

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12/16/2013 8:14 PM	Rate (0)
Pipo75 Posts: 3 Rating: (0)	Hi! This is my first S7-300 project. I have to upgrade the current project with some new hardware and functions. I use CPU-315 which is connected thru CP342-5 to PROFIBUS. There i have new HMI KTP-600 connected. Also I have connected old SCADA (i don't have information which, it's from 10 years old project) over CP 343-1 (ethernet). My problem is that if i switch off and on HMI it loses connection to CPU. I have #### values shown on HMI. If i disconect SCADA from ethernet only for a second the data appears on HMI and they don't fall down until next switch off . I have following settings on CPU communication: PG Communication : 1 OP Communication: 3 S7 basic comm. :8 I did HMI project on TIA portal basic, CPU is programmed in STEP-7 5.5 SP2. What can cause this problem and how can i solve that?
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12/17/2013 8:04 AM	Rate (1)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 12/1/2023 Posts: 8596 Rating: (1140)	Hello, Try to change the S7-Communications from 8 to a lower number. To free up some resources. Best regards, Wizard

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12/17/2013 2:47 PM	Rate (0)
Pipo75 Posts: 3 Rating: (0)	Thanks Wizard! It's working now.
Pipo75 Posts: 3 Rating: (0)
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