I'm trying to read values from a Landis+Gyr E650 using a GW-DLMS-485-LG. Unfortunately, I've got difficulties interpreting the values I receive using ModbusTCP. Some seem to be outdated and are never refreshed, some seem to be available at different addresses than the webinterface says. I've checked all values against the counter itself and the webinterface shows the correct values.
These are the (float) values from the top table (column ""website"" is value from website, column ""modbus"" is value as I polled it via ModbusTCP)
| index | address | obis | website | modbus |
| 0 | 4x40016 | 0.9.1 | 214724 | 246366 |
| 1 | 4x40018 | 0.9.2 | 180830 | 184589 |
| 2 | 4x40020 | 0.0.0 | 381197 | 327680 |
| 3 | 4x40022 | 0.1.0 | 75.00 | 75.03687286376953 |
| 4 | 4x40024 | 1.8.0 | 17929.44 | 17961.990234375 |
| 5 | 4x40026 | 1.8.0* | 17705.99 | 17695.48046875 |
| 6 | 4x40028 | 1.8.1 | 12111.74 | 12156.8603515625 |
| 7 | 4x40030 | 1.8.1* | 11964.86 | 11955.400390625 |
| 8 | 4x40032 | 1.8.2 | 5817.70 | 5805.1298828125 |
| 9 | 4x40034 | 1.8.2* | 5741.13 | 5728.0 |
| 24 | 4x40064 | 5.8.0 | 2759.80 | 2755.2900390625 |
| 25 | 4x40066 | 5.8.0* | 2739.29 | 2741.780029296875 |
| 26 | 4x40068 | 5.8.1 | 1546.89 | 1545.4000244140625 |
| 27 | 4x40070 | 5.8.1* | 1537.40 | 1540.9000244140625 |
| 28 | 4x40072 | 5.8.2 | 1212.90 | 1209.8900146484375 |
| 29 | 4x40074 | 5.8.2* | 1201.89 | 1200.0 |
| 54 | 4x40124 | 8.8.0 | 16.24 | 16.1299991607666 |
| 55 | 4x40126 | 8.8.0* | 15.69 | 15.729999542236328 |
| 56 | 4x40128 | 8.8.1 | 15.23 | 15.242500305175781 |
| 57 | 4x40130 | 8.8.1* | 14.68 | 14.642499923706055 |
| 58 | 4x40132 | 8.8.2 | 1.01 | 1.0099999904632568 |
| 59 | 4x40134 | 8.8.2* | 1.01 | 1.0078125 |
| 64 | 4x40144 | 1.6.1 | 0.70 | 0.7015312314033508 |
| 65 | 4x40146 | 1.6.1* | 0.68 | 0.6796875 |
As far as I can see, those values don't refresh at all (e.g. counter 4x40024) and/or don't fit to the data they should show (e.g. time 4x40016, date 4x40018)
The Integer variants are current, but seem to have an address offset of 2 bytes:
| index | address | obis | website | value |
| 4x41044 | | | 17929 |
| 0 | 4x41046 | 1.8.0 | 17929 | 17705 |
| 1 | 4x41048 | 1.8.0* | 17705 | 0 |
| 2 | 4x41050 | 2.8.0 | 0 | 0 |
| 3 | 4x41052 | 2.8.0* | 0 | 2759 |
| 4 | 4x41054 | 5.8.0 | 2759 | 2739 |
| 5 | 4x41056 | 5.8.0* | 2739 | 0 |
| 6 | 4x41058 | 6.8.0 | 0 | 0 |
| 7 | 4x41060 | 6.8.0* | 0 | 0 |
| 8 | 4x41062 | 7.8.0 | 0 | 0 |
| 9 | 4x41064 | 7.8.0* | 0 | 16 |
| 10 | 4x41066 | 8.8.0 | 16 | 15 |
| 11 | 4x41068 | 8.8.0* | 15 | 0 |
| 12 | 4x41070 | 3.8.0 | 0 | 0 |
| 13 | 4x41072 | 3.8.0* | 0 | 0 |
| 14 | 4x41074 | 4.8.0 | 0 | 0 |
| 15 | 4x41076 | 4.8.0* | 0 | 0 |
Do you have any idea what's wrong here and how it can be fixed? If you need further information for debugging this I'll be happy to assist.
