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@ -418,14 +418,33 @@ Example 72220200 72220200 ? 2022-02-13 |
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``` |
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CMD 0x01: WR --> DTU: "Current DC data" (?) (shown for an HM-700) |
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CMD 0x01: WR --> DTU: "Current DC data" (?) (shown for an HM-700 and HM-400) |
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---------------------------------------------------------------------------------------------------------------------------------------------- |
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HM-700 (2-channel): |
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95 72 22 02 00 72 22 02 00 01 00 01 01 4c 03 bd 0c 46 00 b5 00 03 00 05 00 00 BD 7F |
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^^ ^^^^^^^^^^^ ^^^^^^^^^^^ ^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^ ^^ |
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NameMID WR ser# WR ser# CMD ? PV1.u PV1.i PV1.p PV2.u PV2.i PV2.p ? CRC8 EOF |
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Units BCD (letzte 8) BCD (letzte 8) ? [0.1V] [0.01A] [.1W] [0.1V] [0.01A] [.1W] ? |
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Example 72220200 72220200 ? 33.2V 9.57A 317.2W 18.1V 0.03A 0.5W ? |
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HM-400 (1-channel): |
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byte 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 |
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95 73 10 xx yy 73 10 xx yy 01 00 01 01 9A 00 46 01 21 00 00 FA E6 00 84 09 0C F5 DD BD 7F |
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^^ ^^^^^^^^^^^ ^^^^^^^^^^^ ^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^^^^ ^^ ^^ |
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NameMID WR ser# WR ser# CMD ? PV1.u PV1.i PV1.p ? P tot P day V AC CRC8 EOF |
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Units BCD (letzte 8) BCD (letzte 8) ? [0.1V] [0.01A] [.1W] [] [1Wh] [1Wh] [0.1V] ? |
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Example 7310xxyy 7310xxyy ? 41.0V 0.70A 28.9W 64.23kWh 132Wh 231.6V ? |
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legend |
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PVx.u: DC voltage of panel x |
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PVx.i: DC current of panel x |
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PVx.p: DC power of panel x |
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WR ser#: inverter serial, e.g. 11217310xxyy (HM-400) => 7310xxyy |
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P tot: AC? power total (monthly/yearly?) |
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P day: AC? power daily |
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V AC: AC voltage |
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``` |
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- The exact meaning of the contents of this message varies depending on inverter type. So far, the following variants have been observed: |
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- HM-400 (single channel): |
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Marcus
4 years ago