Decoding of AARQ packet byte by byte.

By Shankar27 , 22 January, 2024
Forums
Gurux.DLMS.AMI

I m using HPL 3 ph meter. And i m trying to decode byte by byte of each data in AARQ packet for my understanding. I can understand upto 0x60 where it is the AARQ Tag. After that it is vey difficult to decode the same.

Can anybody help me decoding the data of the AARQ byte.

Pls see the below data in the communication between the meter and the GURUX tool/

TX: 7E A0 5F 03 41 10 07 E2 E6 E6 00 60 51 A1 09 06 07 60 85 74 05 08 01 03 A6 0A 04 08 48 50 4C 37 32 39 39 38 8A 02 07 80 8B 07 60 85 74 05 08 02 01 AC 12 80 10 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 31 BE 17 04 15 21 13 20 00 00 00 01 E9 C5 31 32 60 76 62 DC 7A 94 A6 14 39 BF BE B5 7E

RX: 7E A0 4A 41 03 30 EB A8 E6 E7 00 61 3C A1 09 06 07 60 85 74 05 08 01 03 A2 03 02 01 00 A3 05 A1 03 02 01 00 A4 0A 04 08 48 50 4C 00 00 10 F4 47 BE 17 04 15 28 13 20 00 00 00 00 83 07 05 F0 35 94 EE E1 A9 6C 27 CC A0 51 76 5F 7E

This is for LLS AARQ & AARE.

Requesting anybody to help me regarding the same.