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PID in 414H

1/16/2012 9:31 AM	Rate (0)
Thread Posts: 10 Rating: (0)	Good morning I will use an CPU414H to manage more o less 100 PID (fb41). They are temperature control, so I don't need high performance and low cycle time. anyone have an experience about it? best regards Gianluca
Thread Posts: 10 Rating: (0)
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1/22/2012 6:16 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 8/31/2025 Posts: 6874 Rating: (1368)	Thread Automazione Good morning I will use an CPU414H to manage more o less 100 PID (fb41). They are temperature control, so I don't need high performance and low cycle time. anyone have an experience about it? best regards Gianluca Dear Thread Automazione, Memory requirement for the FB41 itself and also instant datablock, all values in Kbyte: Total:= (1.5) + ( 100*0.4)= 41.5 Kbyte And execution time for 100 loops would be around 6 ms. Note, 100 PID loops are only one section of your program. You also need functions to scale and unscale the signals. For each loop you need some protection procedure to ensure not deviating from safety margins. Best regards, Hamid Hosseini
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