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how to use the datalog in the LOGO8?

7/16/2015 4:52 PM	Rate (0)
AutoGen_522099 Posts: 15 Rating: (0)	Would somebody please show me how to use the datalog block in the LOGO8? The manual says this block beguins recording all the data at the raising edge of the En port but I can only get one line of data. Does it means the data log block records data every time the En becomes positive? Do I have to add an asynchronous timer before the datalog? One example would be welcome. thanks
AutoGen_522099 Posts: 15 Rating: (0)
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7/16/2015 5:35 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/5/2025 Posts: 35926 Rating: (4497)	Yes, it is true that data log records each time the configured operand when the EN input 1 signal, but only for one cycle. You can, for example, at constant intervals make a pulse triggering, as well as through events, such as when an input signal 1 has. But you must make sure that the break between 2 events is at least 500 ms. If the time is small, the configured data is not recorded. Attachment Data_Log.zip (325 Downloads)

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