Replies: 15 comments 27 replies
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There are search tools both in the template web site and in Github Discussions |
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This is not the PRO version... |
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Sorry, my bad |
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Hey Boys, i can't wait to flash tasmota onto it either :-) Cheers and Thx! |
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Why would you think that there are only "boys" involved in the Tasmota project? |
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The accessible GPIO pins are found here: 1: esp_debug_uart CAUTION! High voltage on the add-on interface when the Device is powered! |
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I guess I need to test disabling serial logging to see if that solves that issue… |
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Anyway: thanks for providing that template! Any Ideas about the LED? |
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OK - serial logging is disabled (automatically - possibly because of my automation - not sure...), so it should not trigger issues with I2C... Which is still used and the device is detected: so energy (taken from real file - not rule) is loaded. Unfortunately there is nothing obvious in the logs (4 - more debug) that I can see that would indicate an issue when rebooting the device... |
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I've got my hands on multiple units. A few ones are early access (prototypes) and factory calibrated for 400A. I can confirm that all samples I have (that are not factory calibrated) contain the same data structure at {
"factory": {
"version": 2,
"model": <removed>,
"batch": "dev-001",
"cloud_key": <removed>,
"calib": {
"require": true,
"n_do": false,
"gains": {
"avgain": 6710,
"bvgain": 6710,
"cvgain": 10066,
"aigain": 268353248,
"bigain": 268353248,
"cigain": 268354506,
"nigain": 268353248,
"apgain": 268430423,
"bpgain": 268430423,
"cpgain": 268432101,
"aphcal": 153,
"bphcal": 153,
"cphcal": 145
}
},
"ade7880_x": {
"voltage_scale_a": 7.26e-05,
"voltage_scale_b": 7.26e-05,
"voltage_scale_c": 7.26e-05,
"current_scale_a": 0.000106197359,
"current_scale_b": 0.000106197359,
"current_scale_c": 0.000106197359,
"current_scale_n": 0.000106197359,
"apower_scale_a": 0.025248528,
"apower_scale_b": 0.025248528,
"apower_scale_c": 0.025248528,
"aprtpower_scale_a": 0.025248528,
"aprtpower_scale_b": 0.025248528,
"aprtpower_scale_c": 0.025248528,
"aenergy_scale_a": 0.000569955242,
"aenergy_scale_b": 0.000569955242,
"aenergy_scale_c": 0.000569955242,
"aprtenergy_scale_a": 0.000569955242,
"aprtenergy_scale_b": 0.000569955242,
"aprtenergy_scale_c": 0.000569955242,
"faenergy_scale_a": 0.000569955242,
"faenergy_scale_b": 0.000569955242,
"faenergy_scale_c": 0.000569955242,
"frenergy_scale_a": 0.000569955242,
"frenergy_scale_b": 0.000569955242,
"frenergy_scale_c": 0.000569955242
}
}
} |
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I have not yet tried to calibrate any of the units. I'll try flashing a non-calibrated on with Tasmota this week. |
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As for rebooting: I did now enable Debugging ( and here the filtered output: On initial power on: and after a reboot: so there is nothing that is found besides the device on i2c! |
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so I have added a debug for ininit: And repowered the device (now taken from web console): and on (note that I had to increase the line buffer as well to get those early log lines) So in the end: for some reason on power up i2c detects the device and then the Driver init (Ade7880Init) is called. I do not have a deep understanding of the initialization process in tasmota, so someone with more knowledge in this area needs to look into this (or at least give a good hint where to look exactly, so that more diagnostics can get added)... |
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ok, so I found something else by instrumenting the dispatcher function: PowerOn: On restart: At a loss where it is going wrong... |
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And I have to admit: I am not sure if I can open that expensive device without breaking the case rendering it unusable... |
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So I got brave/stupid and opened it up (4 clamps - 2 at the bottom/DIN Rail and 2 at the top). I shall try tracing the LED as well - (the Resistors R45-47 are routed via several vias to the ESP - details to follow) |
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in the meantime: the RTC chip is a AIP8563! |
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So I was too brave! The device is no longer 100% happy - wifi does not work any longer... But I got a few pointers:
And as said: my best guess is now that there is no GPIO for reset of the ADE7880 |
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So it works on first boot but not on reset? Why is the reset of the ADE7880 needed? |
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Any updates? |
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Shelly launced Pro 3EM-400 https://www.shelly.cloud/en-ee/products/product-overview/pro-3-em/shelly-pro-3-em-400 |
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Hello, please are there any update for support Shelly Pro 3EM? I would love to use smaller 50A transformers, so need to use alternative firmware (Tasmota) and calibrate manually. Thanks. |
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Hi! Are there any news? I want to buy one of these :) |
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Hello, |
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Any update? It was quite a while something was written here. |
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@arendst any updates? As we know then old 3EM is discontinued and Shelly producing only PRO version. |
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Hey, It's been a while since this got a reply again, is there any possiblity this will be done in the near future? |
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Hallo, ich habe den Shelly Pro 3EM jetzt mit Tasmota am laufen. Er überwacht 3 Inverter. Es gibt aber noch ein paar Probleme. Aus dem Kaltstart wird der Treiber für den ADE7880 geladen, wenn ich einen Software-Start mache, fehlen die beiden Zeile "Energy loaded" und "Init driver 23" und es werden keine Werte angezeigt, nur die Temperatur. Auszug aus der Konsole. Hat jemand eine Idee, wie ich das Problem lösen könnte? Es gibt noch eins. Die Anzeige friert immer mal ein. Einmal am Tag oder öfters. Alle aktuellen Werte stehen auf Null, nur die gespeicherten Werte wie Energie Gestern oder gesamt sind noch die alten. |
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Hi everybody,
is the Shelly Pro 3EM already supported?
If not will it be possible to run tasmota on it?
Controller is a ESP32 DOWD Q6
Teardown: https://www.shelly-support.eu/forum/thread/18815-teardown-shelly-pro-3em-stromaufnahme/
Greetings
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