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PID Control

Created by: castrohe at: 6/6/2006 12:13 PM (3 Replies)

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6/6/2006 12:13 PM	Rate (0)
castrohe Posts: 20 Rating: (1)	I would like to see the waves in the PID control (SIMATIC -> STEP 7 -> PID Control). But When I chose the DB in online mode appears the error: "New...is only possible in a offline user program. Select an other destination" The error correponding to the error is: 2511:122. I am Working with the CPU 314C - 2DP. The version of the firmware is V1.0.5. Shoul I update the firmware? Where can I find the last firmware to my CPU?
castrohe Posts: 20 Rating: (1)
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6/7/2006 9:42 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 11/4/2024 Posts: 8763 Rating: (1170)	Hi, You should have a connection with the CPU. Then start the PID control. Open the desired DB, remember to choose the option 'online'. Then it should be possible to go to curve recorder and see the online values. Here is a link to the firmware updates for the CPU: http://support.automation.siemens.com/WW/view/en/12019198 PS. perhaps you should post your questions in the right conference. Best regards, Wizard

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6/7/2006 10:08 AM	Rate (0)
castrohe Posts: 20 Rating: (1)	Thanks, for your help. I was looking at web link that you post. I have alreday the last firmware version in my CPU. I put online and choose the correct DB, I don´t know what can it be the problem. I am still knew in this forum, where do you suggest I put my post? Thanks.
castrohe Posts: 20 Rating: (1)
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6/7/2006 1:42 PM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 11/4/2024 Posts: 8763 Rating: (1170)	Hello, Just wondering: When youstart the PID control, then you perform OPENand not NEW? p.s.: this is a question about S7-300, so the right conference might be Simatic S7-300.A sub-conference off Simatic S7. Best regards, Wizard

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