| Constant | Name | Wert | Type |
| KNX.kLogWidth | kLogWidth | 50 | 2 |
| KNX.k_BIG_ENDIAN | k_BIG_ENDIAN | False | 3 |
| KNX.k_CONNECTIONSTATE_REQUEST | k_CONNECTIONSTATE_REQUEST | &h0207 | 2 |
| KNX.k_CONNECTIONSTATE_REQUEST_TIMEOUT | k_CONNECTIONSTATE_REQUEST_TIMEOUT | 10 | 2 |
| KNX.k_CONNECTIONSTATE_RESPONSE | k_CONNECTIONSTATE_RESPONSE | &h0208 | 2 |
| KNX.k_CONNECTION_ALIVE_TIME | k_CONNECTION_ALIVE_TIME | 120 | 2 |
| KNX.k_CONNECTION_HEARTBEAT_TIME | k_CONNECTION_HEARTBEAT_TIME | 60 | 2 |
| KNX.k_CONNECT_REQUEST | k_CONNECT_REQUEST | &h0205 | 2 |
| KNX.k_CONNECT_REQUEST_TIMEOUT | k_CONNECT_REQUEST_TIMEOUT | 10 | 2 |
| KNX.k_CONNECT_RESPONSE | k_CONNECT_RESPONSE | &h0206 | 2 |
| KNX.k_DESCRIPTION_REQUEST | k_DESCRIPTION_REQUEST | &h0203 | 2 |
| KNX.k_DESCRIPTION_REQUEST_TIMEOUT | k_DESCRIPTION_REQUEST_TIMEOUT | 10 | 2 |
| KNX.k_DESCRIPTION_RESPONSE | k_DESCRIPTION_RESPONSE | &h0204 | 2 |
| KNX.k_DEVICE_CONFIGURATION_ACK | k_DEVICE_CONFIGURATION_ACK | &h0311 | 2 |
| KNX.k_DEVICE_CONFIGURATION_REQUEST | k_DEVICE_CONFIGURATION_REQUEST | &h0310 | 2 |
| KNX.k_DEVICE_MGMT_CONNECTION | k_DEVICE_MGMT_CONNECTION | &h03 | 2 |
| KNX.k_DIB_DEVICE_INFO | k_DIB_DEVICE_INFO | &h01 | 2 |
| KNX.k_DIB_IP_CONFIG | k_DIB_IP_CONFIG | &h03 | 2 |
| KNX.k_DIB_IP_CUR_CONFIG | k_DIB_IP_CUR_CONFIG | &h04 | 2 |
| KNX.k_DIB_KNX_ADDRESSES | k_DIB_KNX_ADDRESSES | &h05 | 2 |
| KNX.k_DIB_MFR_DATA | k_DIB_MFR_DATA | &hFE | 2 |
| KNX.k_DIB_SUPP_SVC_FAMILIES | k_DIB_SUPP_SVC_FAMILIES | &h02 | 2 |
| KNX.k_DISCONNECT_REQUEST | k_DISCONNECT_REQUEST | &h0209 | 2 |
| KNX.k_DISCONNECT_REQUEST_TIMEOUT | k_DISCONNECT_REQUEST_TIMEOUT | 10 | 2 |
| KNX.k_DISCONNECT_RESPONSE | k_DISCONNECT_RESPONSE | &h020A | 2 |
| KNX.k_E_CONNECTION_ID | k_E_CONNECTION_ID | &h21 | 2 |
| KNX.k_E_CONNECTION_OPTION | k_E_CONNECTION_OPTION | &h23 | 2 |
| KNX.k_E_CONNECTION_TYPE | k_E_CONNECTION_TYPE | &h22 | 2 |
| KNX.k_E_DATA_CONNECTION | k_E_DATA_CONNECTION | &h26 | 2 |
| KNX.k_E_HOST_PROTOCOL_TYPE | k_E_HOST_PROTOCOL_TYPE | &h01 | 2 |
| KNX.k_E_KNX_CONNECTION | k_E_KNX_CONNECTION | &h27 | 2 |
| KNX.k_E_NO_ERROR | k_E_NO_ERROR | &h00 | 2 |
| KNX.k_E_NO_MORE_CONNECTIONS | k_E_NO_MORE_CONNECTIONS | &h24 | 2 |
| KNX.k_E_SEQUENCE_NUMBER | k_E_SEQUENCE_NUMBER | &h04 | 2 |
| KNX.k_E_TUNNELING_LAYER | k_E_TUNNELING_LAYER | &h29 | 2 |
| KNX.k_E_VERSION_NOT_SUPPORTED | k_E_VERSION_NOT_SUPPORTED | &h02 | 2 |
| KNX.k_HEADER_SIZE_10 | k_HEADER_SIZE_10 | &h06 | 2 |
| KNX.k_IPV4_TCP | k_IPV4_TCP | &h02 | 2 |
| KNX.k_IPV4_UDP | k_IPV4_UDP | &h01 | 2 |
| KNX.k_KNXnetIP_PortNumber | k_KNXnetIP_PortNumber | 3671 | 2 |
| KNX.k_KNXnetIP_SystemSetupMulticastAddress | k_KNXnetIP_SystemSetupMulticastAddress | 224.0.23.12 | 0 |
| KNX.k_KNXnetIP_VERSION_10 | k_KNXnetIP_VERSION_10 | &h10 | 2 |
| KNX.k_OBJSVR_CONNECTION | k_OBJSVR_CONNECTION | &h08 | 2 |
| KNX.k_REMCONF_CONNECTION | k_REMCONF_CONNECTION | &h07 | 2 |
| KNX.k_REMLOG_CONNECTION | k_REMLOG_CONNECTION | &h06 | 2 |
| KNX.k_ROUTING_INDICATION | k_ROUTING_INDICATION | &h0530 | 2 |
| KNX.k_ROUTING_LOST_MESSAGE | k_ROUTING_LOST_MESSAGE | &h0531 | 2 |
| KNX.k_SEARCH_REQUEST | k_SEARCH_REQUEST | &h0201 | 2 |
| KNX.k_SEARCH_REQUEST_TIMEOUT | k_SEARCH_REQUEST_TIMEOUT | 3 | 2 |
| KNX.k_SEARCH_RESPONSE | k_SEARCH_RESPONSE | &h0202 | 2 |
| KNX.k_SF_Core | k_SF_Core | &h02 | 2 |
| KNX.k_SF_DeviceManagement | k_SF_DeviceManagement | &h03 | 2 |
| KNX.k_SF_ObjectServer | k_SF_ObjectServer | &h08 | 2 |
| KNX.k_SF_RemoteConfiguration | k_SF_RemoteConfiguration | &h07 | 2 |
| KNX.k_SF_RemoteLogging | k_SF_RemoteLogging | &h06 | 2 |
| KNX.k_SF_Routing | k_SF_Routing | &h05 | 2 |
| KNX.k_SF_Tunneling | k_SF_Tunneling | &h04 | 2 |
| KNX.k_TUNNELING_ACK | k_TUNNELING_ACK | &h0421 | 2 |
| KNX.k_TUNNELING_REQUEST | k_TUNNELING_REQUEST | &h0420 | 2 |
| KNX.k_TUNNELING_REQUEST_TIMEOUT | k_TUNNELING_REQUEST_TIMEOUT | 1 | 2 |
| KNX.k_TUNNEL_BUSMONITOR | k_TUNNEL_BUSMONITOR | &h80 | 2 |
| KNX.k_TUNNEL_CONNECTION | k_TUNNEL_CONNECTION | &h04 | 2 |
| KNX.k_TUNNEL_LINKLAYER | k_TUNNEL_LINKLAYER | &h02 | 2 |
| KNX.k_TUNNEL_RAW | k_TUNNEL_RAW | &h04 | 2 |