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4/19/2012 6:47 PM | |
Posts: 53 Rating: (2) |
What about substarcting 1 degree from setpoint evey 1 minute? Then play with P,I,D parameters, regards |
4/19/2012 7:21 PM | |
Joined: 1/28/2009 Last visit: 9/10/2024 Posts: 6849 Rating: (1365) |
Hello , You need a function in attachment in STEP7(S7300 and 400). A kind of set point generation.For microwin, you can search the title (setpoint generator) in the forum or internet for S7200 version. check if this function can be utilized for your purpose: How can you limit the pitch of jumps with S7-200? Best regards, Hamid Hosseini Attachmentramp_soak.pdf (179 Downloads) |
4/19/2012 10:01 PM | |
Posts: 53 Rating: (2) |
What about FIXING setpoint at 50degree, and controling the time by trying different smaller P , then fine tune with small I. Regards |
4/20/2012 11:20 AM | |
Posts: 14 Rating: (0) |
Thank you both for your efforth. Seems like lot of testing will get me there. Best regards Nenad |