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en:tech:powermeter [2021/01/21 11:40] – [Device Setup] bullar | en:tech:powermeter [2021/01/21 11:43] – [S0 signal] bullar | ||
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The first task is to investigate into the S0 interface and then make it available for evaluation in our home WiFi. Let's take a look at the S0 signal, which comes from a three-phase meter: | The first task is to investigate into the S0 interface and then make it available for evaluation in our home WiFi. Let's take a look at the S0 signal, which comes from a three-phase meter: | ||
- | {{: tech: s0_signal.png? | + | {{ : |
There are pulses of approx. 44ms and the interval between the pulses reflects the current consumption. In the example it is 19.25 seconds. According to the device specification, | There are pulses of approx. 44ms and the interval between the pulses reflects the current consumption. In the example it is 19.25 seconds. According to the device specification, | ||
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On this tab we only have to switch on the pull-ups at the inputs used. | On this tab we only have to switch on the pull-ups at the inputs used. | ||
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==== Device Setup ==== | ==== Device Setup ==== | ||
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The PowerMeter has been running for 2 months without any problems and is transmitting the data. A typical consumption curve looks like this (screen shot from my own // | The PowerMeter has been running for 2 months without any problems and is transmitting the data. A typical consumption curve looks like this (screen shot from my own // | ||
- | {{:tech:consumption.png? | + | {{ :tech:verbrauch.png? |
The peaks include the oven, stove and kettle. The regular pulses come from the fridge/ | The peaks include the oven, stove and kettle. The regular pulses come from the fridge/ |