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Blocking inputs

Created by: nelsonrocha at: 10/23/2012 2:03 PM (4 Replies)

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10/23/2012 2:03 PM	Rate (0)
nelsonrocha Posts: 11 Rating: (0)	Hi, I'm using a logo OBD6 to accept 4 inputs at the same time to form a kind of code like 0010, but I have a problem because I can't block the inputs after I receive the code and if someone presses another input it changes the code, I want to block all inputs until all input doors are cleared. Someone have an idea of how to do it? Thanks, Nelson
nelsonrocha Posts: 11 Rating: (0)	Last edited by: nelsonrocha at: 10/23/2012 2:03 PM
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10/23/2012 2:21 PM	Rate (0)
Marcjan Diamond Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Have a look at the Logo Application Examples Password by using digital inputs example might be what you need. Regards, Marcjan
	Last edited by: Marcjan at: 10/23/2012 2:22 PM Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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10/23/2012 3:38 PM	Rate (0)
nelsonrocha Posts: 11 Rating: (0)	Hi,Thank you for your help, it looks interesting but the problem is that my code enter in one time only, I have several switchs connected to the inputs, each one with a different code, (example, 1100, 0011, 1010, etc) when a press a switch example 0011 and press the swtich 1100without releasing the firts one I have 1111, my idea is to block the inputs until the firts switch is released. Thank you very much for your very quick help :) Nelson
nelsonrocha Posts: 11 Rating: (0)
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10/24/2012 2:29 PM	Rate (0)
Toeternietoe Platinum Member Joined: 12/27/2006 Last visit: 11/17/2025 Posts: 1200 Rating: (116)	Something like in this example, making for 3 inputs, Notice: its NOT perfect. Everytime you press I4 al the outputs of the RS blocks are for a little moment 0 Attachment BCD.zip (348 Downloads)

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10/31/2012 5:24 PM	Rate (0)
Betel Posts: 1690 Rating: (584)	Hi Nelson, please look at the attachment to find ideas to solve your question... Best regards Betel Attachment DEMO_4-Bit-Code_input_over_D-flip-flops.zip (325 Downloads)
Betel Posts: 1690 Rating: (584)
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Blocking inputs

Created by: nelsonrocha at: 10/23/2012 2:03 PM (4 Replies)

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nelsonrocha

Last edited by: nelsonrocha at: 10/23/2012 2:03 PM

Marcjan

Last edited by: Marcjan at: 10/23/2012 2:22 PM

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Blocking inputs

Created by: nelsonrocha at: 10/23/2012 2:03 PM (4 Replies)

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5 Entries

nelsonrocha

Last edited by: nelsonrocha at: 10/23/2012 2:03 PM

Marcjan

Last edited by: Marcjan at: 10/23/2012 2:22 PM

nelsonrocha

Toeternietoe

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Betel

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