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  3. AARQ With Landis Meter In IDIS Pkg 2

AARQ with Landis meter in IDIS pkg 2

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By chauvaux , 7 May, 2021
Forums
DLMSDirector

Hello,
I try to connect with a landis E570 through optical interface. The connection seems OK, but the AARQ failed, the meter has a strange behaviour sending 2 frames AARE. Here are the details of the exchange.
The exchange was done without security, address 0x10.
17:58:11 Send SNRM request.
TX: 7E A0 07 03 21 93 0F 01 7E
17:58:14
RX: 7E A8 5E CE A3 03 13 95 3F E6 E7 00 DB 08 4C 47 5A 67 73 4A 69 69 46 30 00 17 47 60 B3 D9 3C D0 E9 8D 21 24 A1 B6 A6 B9 47 70 18 8A 57 E7 9F E2 86 E8 02 C9 E7 BE 4B 02 D7 45 49 90 26 56 7C D7 CC 07 FA C7 B9 15 5B C5 CE E8 51 94 4E 99 67 F2 E5 FF F5 80 D5 1D 1C 77 CD 83 CC 8F 2B 43 93 7E
17:58:14 Send AARQ request.
TX: 7E A0 2B 03 21 10 FB AF E6 E6 00 60 1D A1 09 06 07 60 85 74 05 08 01 01 BE 10 04 0E 01 00 00 00 06 5F 1F 04 00 00 1E 5D FF FF B3 E2 7E
17:58:19
RX: 7E A8 5E CE A3 03 13 95 3F E6 E7 00 DB 08 4C 47 5A 67 73 4A 69 69 46 30 00 17 47 61 E1 5E E7 EC C6 AD 76 61 9C 85 53 57 ED 78 C5 54 10 5F 73 B7 E2 CC B5 72 8A 37 BA 2B 97 E9 83 0F 4B 54 C2 33 7F 1C E4 57 65 EC 10 DA 91 4B 9F 5E 65 8F 53 2A 74 9E 9A C0 4B CE DE 6C F0 2E B2 BF 65 F4 25 7E
17:58:24
RX: 7E A8 3F CE A3 03 13 62 95 E6 E7 00 DB 08 4C 47 5A 67 73 4A 69 69 27 30 00 17 47 62 B5 ED 38 D9 42 8F D3 09 44 33 E5 7D CE BB 14 0E 80 22 1A 5E 53 A6 4C DC B9 DE 3C 90 A7 B4 51 2E 19 70 84 E5 7E

Thank you for your answer.

chauvaux

5 years 1 month ago

I have forgotten, the error

I have forgotten, the error message was : frame not fully received

Best regards

Profile picture for user Kurumi

Kurumi

5 years 1 month ago

Hi,

Hi,

The meter is sending encrypted push messages. Do you have the block cipher and authentication keys so you can decrypt the data?

You don't need to establish the connection to the meter if you want only to receive push data.
Check push listener example how you can handle received data:

https://github.com/Gurux/Gurux.DLMS.Net/tree/master/Gurux.DLMS.Push.Lis…

You need to set the correct block cipher and authentication keys so you can decrypt the received data.
BR,
Mikko

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