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TD400c - Reset problem

Created by: SelvakumaaR at: 6/23/2010 12:38 PM (8 Replies)

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6/23/2010 12:38 PM	Rate (0)
SelvakumaaR Experienced Member Joined: 6/4/2010 Last visit: 8/21/2025 Posts: 72 Rating: (0)	Dear All, When I re-start the Panel power (Including S7-200PLC and TD400c Power), the TD400c Screens and Menus has gone. And the message "No Parametter Block" will displayed on TD400c. Anybody face this problem?
	Regards, Selvakumar Don't want to see any Software like dotNetframework and TIA Portal in future.
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6/23/2010 3:02 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Hi, Your configuration of TD400 is saved in V-memory. -Do you write in the V-memory, where configuration is of TD400? (Start up initialisation?) - Is Program of S7-200 lost? Best regards, Wizard

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6/24/2010 7:12 AM	Rate (0)
SelvakumaaR Experienced Member Joined: 6/4/2010 Last visit: 8/21/2025 Posts: 72 Rating: (0)	Wizard Your configuration of TD400 is saved in V-memory. -Do you write in the V-memory, where configuration is of TD400? (Start up initialisation?) TD400c uses V-memory which starts from VB0 for its configurations. Wizard - Is Program of S7-200 lost? When I upload from PLC, there is no loss of S7-200 program and TD400c configurations. Only TD display has gone. Attachment TD400 V-mem.JPG (250 Downloads)
	Regards, Selvakumar Don't want to see any Software like dotNetframework and TIA Portal in future.
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6/24/2010 9:42 AM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Dear selvkumaar, Is it possible to upload V-memory after powerdown. Are there no difference between original programm? Best regards, Wizard

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6/24/2010 11:14 AM	Rate (0)
skimmer Bronze Member Joined: 9/5/2007 Last visit: 3/7/2023 Posts: 317 Rating: (18)	Hello Selvkumaar, If you check the DB1 then at VB0 you should have the text 'TD400'. Even if you have this value offline then you must be overwriting this memory in the user program. Easy way to check is to run the wizard again, delete the user program in the plc and download DB1 to the PLC. This will prove the TD can read the configuration. Please also be aware that the content of DB 1 is very syntax sensitive - i.e. spaces and characters are very important in getting the TD to interpret the configuration correctly.

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6/25/2010 2:05 PM	Rate (0)
SelvakumaaR Experienced Member Joined: 6/4/2010 Last visit: 8/21/2025 Posts: 72 Rating: (0)	Wizard Dear selvkumaar, Is it possible to upload V-memory after powerdown. Are there no difference between original programm? Best regards, Wizard I can't see the differences.
	Regards, Selvakumar Don't want to see any Software like dotNetframework and TIA Portal in future.
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6/25/2010 2:20 PM	Rate (0)
SelvakumaaR Experienced Member Joined: 6/4/2010 Last visit: 8/21/2025 Posts: 72 Rating: (0)	skimmer If you check the DB1 then at VB0 you should have the text 'TD400'. Even if you have this value offline then you must be overwriting this memory in the user program. Easy way to check is to run the wizard again, delete the user program in the plc and download DB1 to the PLC. This will prove the TD can read the configuration. I don't use the DB1 in User programrather it wasused for TD configuraions. If I re-download the PLC program, it works fine on TD400 untill the power has gone. skimmer Please also be aware that the content of DB 1 is very syntax sensitive - i.e. spaces and characters are very important in getting the TD to interpret the configuration correctly. I'm using TD just to display the message in simple way.There is No extra programming in PLC. Please find the Attached simple S7-200 PLC program for TD400c. If anything wrong, don't forget to tell. Attachment TD400c_Sam.zip (234 Downloads)
	Regards, Selvakumar Don't want to see any Software like dotNetframework and TIA Portal in future.
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6/25/2010 2:46 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 7/31/2025 Posts: 9027 Rating: (1199)	Hi, When I look in your programm, I see you move some values to VW0. Please change this VW0 in VW1000. Hope this will help. Best regards, Wizard

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This contribution was helpful to 1 thankful Users SelvakumaaR

6/26/2010 7:42 AM	Rate (0)
SelvakumaaR Experienced Member Joined: 6/4/2010 Last visit: 8/21/2025 Posts: 72 Rating: (0)	Thanks Wizard. I Understand the reason. Thanks foryour support!
	Regards, Selvakumar Don't want to see any Software like dotNetframework and TIA Portal in future.
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This contribution was helpful to 1 thankful Users Wizard

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