Error Message | NETIP_TUNNELING_SOCKET; Received Telegram: <KNX-group-address>@<IP-address> from <KNX-phys-address> has different data size as defined (defined:<x>, received:<y>). |
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Related Products | BMS Server 2.0, BMS Platform, MP Server |
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Description | The BMS Server has received a telegram from the field that does not match the respective definition regarding the length of the data. |
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Causes | The expected data size as defined in KNX / Telegram definitions does not match the received number of octets as sent by the device. There are multiple reasons for this issue: - The imported ETS project is not correct or outdated.
- There is a KNX device at the KNX which is not configured correctly or which is not part of the ETS project.
- Multiple ETS projects are used in the building but KNXnet/IP routing is activated and the same multicast address is used in all projects.
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Resolutions | - Make sure the group address is properly configured in the ETS and choose a matching data size and type inĀ KNX / Telegram definitions.
- Ensure that all KNX devices are programmed correctly.
- Ensure that there is no KNX device connected to the bus that is not part of ETS.
- Ensure that different ETS project are using different KNXnet/IP multicast addresses.
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