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1/12/2011 3:57 PM | |
Joined: 9/27/2006 Last visit: 9/20/2024 Posts: 12282 Rating: (2684) |
Hello pelanj; S7-300 Compact CPUs (such as the S7-314C-2DP) support Technological Functions, such as Counting (HSC) and Frequency measurement, this last up to 60 kHz, according to the following specs: Overview of CPU Properties ● Number of channels – CPU 312C: 2 channels – CPU 313C, CPU 313C-2 DP/PtP: 3 channels – CPU 314C-2 DP/PtP: 4 channels Note: You have only 2 channels (channels 2 and 3) available when using a positioning function ● Counting frequency – CPU 312C - 10 kHz max. – CPU 313C, CPU 313C-2 DP/PtP - 30 kHz max. –CPU 314C-2 DP/PtP - 60 kHz max. A few more sources of information: FAQ:` How do you use the built-in function "Frequency Measurement " of the S7 CPU 31xC? Manual, Techological functions for the S7-300 Compact CPUs: http://support.automation.siemens.com/WW/view/en/12429336 Hope this helps, Daniel Chartier |
Last edited by: dchartier at: 1/12/2011 3:58 PM |
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