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Can you use Logo! 230RC with DC 5V input?

Created by: eleh at: 4/7/2021 1:23 PM (2 Replies)

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4/7/2021 1:23 PM	Rate (0)
eleh Member Joined: 3/30/2021 Last visit: 4/1/2022 Posts: 2 Rating: (0)	Trying to find an answer from the documents, but didn't find it. I'm trying to find out can you use 230RC Logo! with 5V DC input signals. I know the Logo! needs bigger voltages to register signals as 1, but since you can use analog threshold with 24V can you do it with 230RC as well?

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4/7/2021 2:54 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 1/19/2025 Posts: 34514 Rating: (4307)	At the digital inputs of a 230 LOGO! signals with 5 VDC cannot be evaluated. The switching thresholds for recognizing a LOW or HIGH signal are higher (see appendix). And the 230 LOGO! has no analog inputs. If you want to evaluate 5 VDC with an analog input, you need the analog extension module AM2. Attachment LOGO! 8 manual 0BA8 2014_06 page 294.pdf (408 Downloads)
	Last edited by: ixo65 at: 04/07/2021 15:08:37 Attachment
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4/8/2021 7:49 AM	Rate (0)
eleh Member Joined: 3/30/2021 Last visit: 4/1/2022 Posts: 2 Rating: (0)	ixo65 At the digital inputs of a 230 LOGO! signals with 5 VDC cannot be evaluated. The switching thresholds for recognizing a LOW or HIGH signal are higher (see appendix). And the 230 LOGO! has no analog inputs. If you want to evaluate 5 VDC with an analog input, you need the analog extension module AM2. Thanks for fast reply :)

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