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Which logo! does v8.3 have fast digital inputs?

Created by: kristjanzagar at: 3/11/2021 9:49 AM (4 Replies)

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3/11/2021 9:49 AM	Rate (0)
kristjanzagar Member Joined: 11/6/2018 Last visit: 4/28/2025 Posts: 8 Rating: (0)	I would like to connect encoder 1024 to LOGO!V8.3. I don't know which models allow this.I already have two now but none of them seem to allow fast digital inputs. Encoder is 24V and i will use max of 200RPM. Best regards.

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3/11/2021 9:51 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/3/2025 Posts: 35914 Rating: (4496)	The LOGO!8.3 has fast inputs by: - 12/24 RCE - 24 CE

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3/11/2021 10:05 AM	Rate (0)
kristjanzagar Member Joined: 11/6/2018 Last visit: 4/28/2025 Posts: 8 Rating: (0)	Thank you Just to ask the signal A + to I4 then to cnt on Up / Down counter, B + to I5 then to direction on counter and Z + to I6 to reset counter. Is that right?

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3/11/2021 10:16 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/3/2025 Posts: 35914 Rating: (4496)	I don't know. I don't work with encoders by the LOGO!.

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3/11/2021 11:07 AM	Rate (0)
Scorp Platinum Member Joined: 2/22/2008 Last visit: 4/25/2025 Posts: 2698 Rating: (210)	Encoder with A/B signals are not suitable for Logo controllers. Other members have made some tests, just search for "encoder" in the conferences. But i think, you don't get a accurate position value. The fast counter inputs only works fast, if the signal is connected directly to the clk input. The dir input is asynchronous. Regards, Scorp

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