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Hello
below you can find the data from "Vorarlberg Netz", decryption was done by GXDLMSTranslator.
Is this a valid message ? And how are the next steps to get the OBIS values for voltage, current and active power ?
Thanks
Norbert
<WiredMBus len="FE" >
<TargetAddress Value="67" />
<SourceAddress Value="1" />
</WiredMBus>
<WiredMBus len="76" >
<TargetAddress Value="67" />
<SourceAddress Value="1" />
<GeneralGloCiphering>
<SystemTitle Value="4B464D102002385E" />
<CipheredService Value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
</GeneralGloCiphering>
</WiredMBus>
Hi Norbert,
Hi Norbert,
You need to ask block cipher key from Vorarlberg Netz. Block cipher key is 32 bytes long value that is needed to decrypt the message. Without that key, you can't decrypt the message.
When you have the key, select the "Ciphering" tab and set it for the "Block cipher key" field.
Then press the Translate button again and you can see the values if the key is correct.
BR,
Mikko
Hi Mikko,
Hi Mikko,
sorry for being unclear. the message above is the output from the translator (see code below).
For another smartmeter (EVN) it's working. But I don't get it working for Vorarlberg Netz. Any idea ?
thanks
Norbert
msg = GXDLMSTranslatorMessage()
msg.message = GXByteBuffer(self._buffer)
xml = ""
pdu = GXByteBuffer()
translator.completePdu = True
while translator.findNextFrame(msg, pdu):
pdu.clear()
xml += translator.messageToXml(msg)
Hi Norbert,
Hi Norbert,
You were very clear. Translated XML means that data is ciphered (encrypted). You need to correct block cipher key from the Vorarlberg Netz to decrypt the received data. Do you have it? It's 16 bytes long hex value. Without that, you can't decrypt the received data.
BR,
Mikko
Hi Mikko
Hi Mikko
I do this for a member of the community. He has the cipher key from Vorarlberg Netz. I have running your Python code for EVN successfully. The message from the Vorarlberg Netz smartmeter is longer than from EVN. Is the XML above a valid result from the decryption using the cipher key from Vorarlberg Netz ?
Thanks
Norbert
Hi Norbert,
Hi Norbert,
The XML is encrypted data. Decryption fails and I believe that your block cipher key is not correct. You can see parsed data when decryption succeeded.
If you can send the block cipher key to me by email I can check why it fails.
BR,
Mikko
Hi Norbert,
Hi Norbert,
PDU is coming in two WirelessMBus frames. You need to get them both before data can be decrypted.
Get example from the Github. Change Interface type from HDLC to WirelessMBus and set Block cipher key.
client.Ciphering.BlockCipherKey = YOUR_KEY;
If you send your hex messages as raw bytes for the port 4059 it will show the received data as below.
https://github.com/Gurux/Gurux.DLMS.Net/blob/f28f4989c6253f0fe872cabd16…
BR,
Mikko
<!-- DLMS system title:
Manufacturer Code: KFM
Serial number: [REMOVED]
-->
<!-- Invocation Counter: 395623 -->
<DataNotification>
# Invoke ID: 391826
<LongInvokeIdAndPriority Value="0005FA92" />
# 29.8.2022 11.51.45
<DateTime Value="07E6081D010A332D00FF8880" />
<NotificationBody>
<DataValue>
<Structure Qty="10" >
# 0.0.1.0.0.255
<OctetString Value="0000010000FF" />
# 29.8.2022 10.51.45+02:00
<OctetString Value="07E6081D010A332D00FF8880" />
<Structure Qty="02" >
# 0.0.96.1.0.255
<OctetString Value="0000600100FF" />
<OctetString Value="[REMOVED]" />
</Structure>
<Structure Qty="02" >
# 0.0.42.0.0.255
<OctetString Value="00002A0000FF" />
<OctetString Value="[REMOVED]" />
</Structure>
<Structure Qty="03" >
# 1.0.32.7.0.255
<OctetString Value="0100200700FF" />
<UInt16 Value="0925" />
<Structure Qty="02" >
<Int8 Value="FFFFFFFFFFFFFFFF" />
<Enum Value="23" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.52.7.0.255
<OctetString Value="0100340700FF" />
<UInt16 Value="0911" />
<Structure Qty="02" >
<Int8 Value="FFFFFFFFFFFFFFFF" />
<Enum Value="23" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.72.7.0.255
<OctetString Value="0100480700FF" />
<UInt16 Value="091A" />
<Structure Qty="02" >
<Int8 Value="FFFFFFFFFFFFFFFF" />
<Enum Value="23" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.31.7.0.255
<OctetString Value="01001F0700FF" />
<UInt16 Value="0169" />
<Structure Qty="02" >
<Int8 Value="FFFFFFFFFFFFFFFE" />
<Enum Value="21" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.51.7.0.255
<OctetString Value="0100330700FF" />
<UInt16 Value="012A" />
<Structure Qty="02" >
<Int8 Value="FFFFFFFFFFFFFFFE" />
<Enum Value="21" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.71.7.0.255
<OctetString Value="0100470700FF" />
<UInt16 Value="0102" />
<Structure Qty="02" >
<Int8 Value="FFFFFFFFFFFFFFFE" />
<Enum Value="21" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.1.7.0.255
<OctetString Value="0100010700FF" />
<UInt32 Value="00000000" />
<Structure Qty="02" >
<Int8 Value="00" />
<Enum Value="1B" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.2.7.0.255
<OctetString Value="0100020700FF" />
<UInt32 Value="00000738" />
<Structure Qty="02" >
<Int8 Value="00" />
<Enum Value="1B" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.1.8.0.255
<OctetString Value="0100010800FF" />
<UInt32 Value="0011928A" />
<Structure Qty="02" >
<Int8 Value="00" />
<Enum Value="1E" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.2.8.0.255
<OctetString Value="0100020800FF" />
<UInt32 Value="00216330" />
<Structure Qty="02" >
<Int8 Value="00" />
<Enum Value="1E" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.3.8.0.255
<OctetString Value="0100030800FF" />
<UInt32 Value="00012FA5" />
<Structure Qty="02" >
<Int8 Value="00" />
<Enum Value="20" />
</Structure>
</Structure>
<Structure Qty="03" >
# 1.0.4.8.0.255
<OctetString Value="0100040800FF" />
<UInt32 Value="0019286B" />
<Structure Qty="02" >
<Int8 Value="00" />
<Enum Value="20" />
</Structure>
</Structure>
</Structure>
</DataValue>
</NotificationBody>
</DataNotification>
-->
<GeneralGloCiphering>
<SystemTitle Value="4B464D102002385E" />
<CipheredService Value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
</GeneralGloCiphering>
Hi Mikko
Hi Mikko
thanks for your explanation.
The smartmeter provides the data over serial MBus, and the format is WirelessMBus ...
Do you have a Python code snippet for this ? What have to be changed based on the code of item #3 ?
Thanks
Norbert
Hi,
Hi,
My bad. Your meter is using wired MBus, Not wireless.
You can use this to receive the data from your meter. You need to do the changes as I described earlier.
https://github.com/Gurux/Gurux.DLMS.Python/tree/master/Gurux.DLMS.Push…
BR,
Mikko
Hello Norbert
Hello Norbert
I think i write the code you post here #3.
I am also interessted to find a solution.
Please write me an email (mreitbauer@gmx.net) and i try to help you.
BR Michael