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Cpu 314 ifm high speed pulse output

12/25/2012 3:26 PM	Rate (0)
05idris Posts: 2 Rating: (0)	Hi all, We have a cpu 314 ifm. We want to make high pwm ouput. ( 20 kHz). How can we use ?
05idris Posts: 2 Rating: (0)
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12/29/2012 11:20 AM	Rate (0)
jklm Posts: 1742 Rating: (309)	Hello, The outputs of the 314IFM have a max switching drequency of 100Hz (resistive load), less for inductive loads (0,5Hz). For 20 kHz you will need an external PWM module, that for instance could be controlled with an analog output of the CPU. Manual of integrated functions http://support.automation.siemens.com/WW/view/en/1086951
jklm Posts: 1742 Rating: (309)	Last edited by: jklm at: 12/29/2012 11:40 AM Last edited by: jklm at: 12/29/2012 11:32 AM
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12/31/2012 5:10 PM	Rate (0)
05idris Posts: 2 Rating: (0)	I thank for your help.
05idris Posts: 2 Rating: (0)
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