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RPM s7 1200

Created by: NikolajAbrahamsen at: 1/6/2012 5:23 PM (2 Replies)

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1/6/2012 5:23 PM	Rate (0)
NikolajAbrahamsen Posts: 9 Rating: (0)	I want to make so i can see the rpm on an engine on my KTP600 screen, the engine can run up to 4300 rpm and it counts 1 time pr round.
NikolajAbrahamsen Posts: 9 Rating: (0)
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1/6/2012 8:54 PM	Rate (1)
Tomy Master Gold Member Joined: 5/4/2009 Last visit: 5/28/2024 Posts: 914 Rating: (40)	Dear friend, I think first you should utilize the use of HSC and then evalute the current value of the high counter each second (may be by the use of cyclic interrupt OB every sigle second) then do some scaling work to this value, and for your case you mentioned that there is a pulse every single rotation, so the rate is about 70 pulses per second. So by doing some scaling work the 70 pulses represents 4300 rpm and 0 pulses represents 0 rpm, then create a tag "Scaled Speed" for example and then link this tag with an IO field... I hope this works, have luck... Tomy
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This contribution was helpful to 1 thankful Users UMENCHO

1/6/2012 9:14 PM	Rate (0)
NikolajAbrahamsen Posts: 9 Rating: (0)	Hey.. Thanks i help at bit, but i am wery new in this so maybe you can send me something to look at :)
NikolajAbrahamsen Posts: 9 Rating: (0)
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