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OB38 Minimal scan Time?

Created by: Danieli at: 2/10/2010 3:26 PM (2 Replies)

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2/10/2010 3:26 PM	Rate (0)
Danieli Posts: 35 Rating: (0)	What is the minimal scan time for cycl-interrupt OB38-OB30? Could I set the OB38 scan time as low as 2 ms?
Danieli Posts: 35 Rating: (0)
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2/10/2010 3:46 PM	Rate (0)
Ziemens Gold Member Joined: 3/2/2007 Last visit: 11/19/2025 Posts: 999 Rating: (5)	Hy Sir, why do you need such a fast scan time? Is it for motion control? Note: When you specify the intervals, make sure that there is enough time between the start events of the individual cyclic interrupts for processing the cyclic interrupts themselves. The interval is always a whole multiple of the basic clock rate of 1 ms. Interval = n X basic clock rate 1 ms. Thank you
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2/11/2010 8:01 AM	Rate (0)
IBN-Service Posts: 8946 Rating: (1000)	Danieli What is the minimal scan time for cycl-interrupt OB38-OB30? Could I set the OB38 scan time as low as 2 ms? Wich CPU do you have? The very new 400 ones can be faster than 1ms!
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