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CMR2020 digital input

Created by: VBE at: 5/15/2016 11:10 PM (8 Replies)

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5/15/2016 11:10 PM	Rate (0)
VBE Posts: 5 Rating: (0)	Is it possibele to change the digital input of a BM v8 by the CMR2020 with a SMS command or can I change only the digital transistor input/output of the CMR2020? We connected the VM to the CMR ans usus the monitoring of the outputs en we control now the output of the CMR.
VBE Posts: 5 Rating: (0)
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5/16/2016 6:51 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/20/2026 Posts: 36491 Rating: (4552)	You have the option to turn both the digital outputs of CMR2020 via SMS and can then connect to two digital inputs of this logo. Better but, with the SMS to turn a bit in the VM area, which can then be queried in the logo as a network input. And there may be more than two.

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5/16/2016 10:32 AM	Rate (0)
VBE Posts: 5 Rating: (0)	Ok, we use now option 1 but we want the output of the CMR automatically turns to 0 after 2 seconds so we want to use the logo in stead of a relais as we do now. What sort of SMS commands can turn the network inputs of the BM into 0 or 1? We now monitor the outputs of the BM via sms. Does this go the same way for the network inputs but then vica versa? Best,Marco.
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5/16/2016 11:18 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/20/2026 Posts: 36491 Rating: (4552)	If you want to connect a network input in the Logo via SMS, you have to remember that the CMR sets the input static. This means that you need to send two SMSs normally: An SMS to turn, another SMS to switch off. The SMS for switching on is: "Password; LOGO = VM100,1, BYTE" The SMS to switch off is: "Password; LOGO = VM100,0, BYTE" The commands switches the VM bit V100.0 on and off. The choice of the VM-100 bytes is not mandatory, you can choose it freely. To switch a network input dynamically, you need a trick in the logo program. This is exactly the case, what you need to for a limited time to switch an output of the logo with a single SMS. In attachment a small logo program, which shows you both options. Attachment Circuit Diagram1.zip (271 Downloads)

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This contribution was helpful to 1 thankful Users zzVss

5/16/2016 11:35 AM	Rate (0)
VBE Posts: 5 Rating: (0)	Clear! Thank you very much, I couldn't nothing find about it in the manual. At least not as clear as you described it. We can go further now. Best.
VBE Posts: 5 Rating: (0)
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This contribution was helpful to 1 thankful Users ixo65

5/17/2016 3:50 PM	Rate (0)
VBE Posts: 5 Rating: (0)	We programmed the LOGO but every time we want to set the network input to 1 we get the message: "LOGO=VM50,1,BYTE:No Success". Have you any idea what there could go wrong?
VBE Posts: 5 Rating: (0)
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5/17/2016 4:24 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/20/2026 Posts: 36491 Rating: (4552)	Do you have the variable declared in the CMR? Attachment LOGO! 8 - Industrial Ethernet LOGO! CMR2020 _ LOGO! CMR2040_side_86.pdf (320 Downloads)
	Last edited by: ixo65 at: 5/17/2016 4:31:22 PM
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5/17/2016 4:39 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 1/20/2026 Posts: 36491 Rating: (4552)	Follow the link. It explains what you need to create everything, to perform an action with an SMS in the logo. Communication between two LOGO! Controllers by means of LOGO! CMR and SMS

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5/20/2016 7:39 AM	Rate (0)
VBE Posts: 5 Rating: (0)	It's working perfectly now as we specified. Thanks for help! Best,
VBE Posts: 5 Rating: (0)
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This contribution was helpful to 1 thankful Users ixo65

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