3/23/2019 8:48 PM | |
Joined: 12/18/2014 Last visit: 5/5/2024 Posts: 32956 Rating: (4075)
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Hello abe708, at first welcome to the forum. But that is an unfavorable area and range. AttachmentCurrent_0BA8.Standard.zip (663 Downloads) |
This contribution was helpful to1 thankful Users |
3/24/2019 12:08 PM | |
Posts: 19 Rating: (0) |
Thank you for your answers, very helpful. I am using a Siemens Logo! 8 12/24 RCE - 6ED1052 - 1MD00-0BA8 with logo soft comfort V8 software. I attached sensor's datasheet and diagram connections, actually what it is supossed I need to do. It is just a first schematic. I need those sensors because I need to monitorize power consumption and power coming from photoltaic cells, just first steps. The idea is, working during whole development whith that coneections, pretending is a photoltaic installation and last steps work with a real one. Of course the sensor will be a bigger ones. But they will remain the same type, just increment current range. AttachmentSensor+Diagram.zip (580 Downloads) |
3/24/2019 2:33 PM | |
Joined: 2/22/2008 Last visit: 2/22/2024 Posts: 2698 Rating: (206) |
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3/25/2019 2:18 PM | |
Joined: 12/18/2014 Last visit: 5/5/2024 Posts: 32956 Rating: (4075)
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Deleted while wrong topic. |
Last edited by: ixo65 at: 3/25/2019 2:57:59 PM |
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3/25/2019 2:53 PM | |
Joined: 2/22/2008 Last visit: 2/22/2024 Posts: 2698 Rating: (206) |
Also deleted, see previous entry |
Last edited by: Scorp at: 3/25/2019 3:20:49 PM |
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3/25/2019 2:56 PM | |
Joined: 12/18/2014 Last visit: 5/5/2024 Posts: 32956 Rating: (4075)
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Oh yes, thanks for the correction. |
3/25/2019 3:34 PM | |
Joined: 2/22/2008 Last visit: 2/22/2024 Posts: 2698 Rating: (206) |
@abe708 Attached is a very simple example to calculate the power, if you have the voltage and the current. For this you only need an arithmetic block. As i have written the calculation of energy is difficult, not only for you, also for me. You have to add the power values e.g. every second to build an integral, but the Logo only use integer values from -32768 to +32767. I have no possible solution for it to get usable results. For this you normally need a PLC with more mathematical functions or a arduino or raspberry pi e.g. Regards, Scorp AttachmentPower1.zip (427 Downloads) |
This contribution was helpful to1 thankful Users |
3/25/2019 7:40 PM | |
Joined: 2/22/2008 Last visit: 2/22/2024 Posts: 2698 Rating: (206) |
I have placed the comment directly next to P3 of B003. What du you think, which block i mean ? B001 and B002 are only the placeholders for your voltage and current, you can delete them, if you have blocks in your program with linkable outputs to your measuring results. By the way, have you an incomplete Logo program with your previous trials to insert the next step ? Regards, Scorp P.S. For the next step i have found a solution in this forum, see Link |
Last edited by: Scorp at: 3/25/2019 10:30:07 PM |
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