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difficult problem

Created by: ahmedmae94 at: 3/17/2009 12:12 PM (16 Replies)

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3/17/2009 12:12 PM	Rate (0)
ahmedmae94 Bronze Member Joined: 10/13/2008 Last visit: 9/13/2012 Posts: 103 Rating: (11)	how are you all I have PLC S7-300 , push buttom panel (PP17 II) from siemens at the back of this panel there small screen with buttom using it I can adjust the parameters of communcation of the screen , I make adjustment for all paramters . there is ready made UDT -in it there is specifications of buttoms and lamps-this UDT , I insert it in PLC program. althouth all this trials I failed to make communication bet PLC & PP17II please help me to solve this problem thank you

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3/17/2009 12:36 PM	Rate (1)
UMENCHO Diamond Expert Joined: 3/21/2006 Last visit: 12/2/2019 Posts: 10197 Rating: (1148)	Hello And explanations from manual is not usefull? http://support.automation.siemens.com/WW/view/en/1142916(from page 15) regards

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3/17/2009 1:02 PM	Rate (0)
ahmedmae94 Bronze Member Joined: 10/13/2008 Last visit: 9/13/2012 Posts: 103 Rating: (11)	yes sir , I read this PDF many times , I execute all instructions mentioned in it . but I don't know why the problem is still. I doubt that , the PLC software has something wrong , need to adjusted , need to edited. please help me solve this problem

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3/17/2009 1:08 PM	Rate (1)
UMENCHO Diamond Expert Joined: 3/21/2006 Last visit: 12/2/2019 Posts: 10197 Rating: (1148)	Hello Let's try together. Can you attach some pictures or tes project here? What kind of connection you will use? Give more deails. regards

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3/17/2009 2:09 PM	Rate (0)
ahmedmae94 Bronze Member Joined: 10/13/2008 Last visit: 9/13/2012 Posts: 103 Rating: (11)	first I want to thank you alot for your attension, second in PP17II side in I adjust the paramters as following : MPI address: 1 Baud rate: 187.5 KBaud Data area type: Marker byte Memory word: 100 Configuring data block: 2 PLC address: 2 PLC type: 300 (S7-300) Highest station address: 126 Number of MPI masters: 1 third as for PLC side in the attachment you will find the program that I download to PLC thank you Attachment pp17.zip (51 Downloads)

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3/17/2009 2:40 PM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 12/10/2019 Posts: 7437 Rating: (892)	Dear ahmedmae94, The highest station address should be the same in CPU and PP17. At this moment in CPU is 31 and in PP17 is 126. Change it at one side. Best regards, Wizard

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3/17/2009 3:40 PM	Rate (0)
ahmedmae94 Bronze Member Joined: 10/13/2008 Last visit: 9/13/2012 Posts: 103 Rating: (11)	thank you Wizard , I execute your suggestion but nothing change , please keep in touch with me till solve this problem thank you

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3/17/2009 3:41 PM	Rate (0)
UMENCHO Diamond Expert Joined: 3/21/2006 Last visit: 12/2/2019 Posts: 10197 Rating: (1148)	ahmedmae94 first I want to thank you alot for your attension, second in PP17II side in I adjust the paramters as following : MPI address: 1 Baud rate: 187.5 KBaud Data area type: Marker byte Memory word: 100 Configuring data block: 2 PLC address: 2 PLC type: 300 (S7-300) Highest station address: 126 Number of MPI masters: 1 third as for PLC side in the attachment you will find the program that I download to PLC thank you Look at - You chose "Data area type: Marker byte" and "Configuring data block: 2". I thing this must be "Data area type: Data block" and"Configuring data block: 2" or"Data area type: Marker byte" and "Marker byte - some number, for example 100". You can check this in manual - page 18. In your case when assigned data block, you ust asign also from which address will start sets. Hope this helps. regards

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3/17/2009 3:48 PM	Rate (0)
ahmedmae94 Bronze Member Joined: 10/13/2008 Last visit: 9/13/2012 Posts: 103 Rating: (11)	thank you Wizard , I execute your suggestion but nothing change , please keep in touch with me till this problem solved . thanks.

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3/17/2009 3:52 PM	Rate (0)
UMENCHO Diamond Expert Joined: 3/21/2006 Last visit: 12/2/2019 Posts: 10197 Rating: (1148)	Hello Could be the reason in hardware? Would you check again cable and connectors? regards

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