# Supported industrial protocols

## Available Connectors

Below you find a list of our connectors. A connector allows to read out data sources that speak the corresponding industrial protocol:

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| Connector                                                                | Description                                                        |
| ------------------------------------------------------------------------ | ------------------------------------------------------------------ |
| CODESYS                                                                  | For connecting CODESYS Systems                                     |
| DDE                                                                      | For connecting devices with DDE interfaces                         |
| Ethernet IP                                                              | For connecting Ethernet IP devices                                 |
| Feller Engineering FE3-BUS                                               | For connecting Feller Engineerings PLCs and temperatur controllers |
| IO-Link                                                                  | For connecting IO-Link devices                                     |
| Modbus RTU                                                               | For connecting Modbus RTU devices                                  |
| Modbus TCP                                                               | For connecting Modbus TCP devices                                  |
| MQTT                                                                     | For connecting MQTT Brokers                                        |
| OPC DA                                                                   | For connecting OPC DA servers                                      |
| OPC UA                                                                   | For connecting OPC UA servers                                      |
| PROFINET                                                                 | For connecting Profinet devices                                    |
| PROFIBUS                                                                 | For connecting Profibus devices                                    |
| S7-Classic (RFC1006)                                                     | For connecting S7-300 and S7-400 devices                           |
| [S7+](/en/connect/ot-connectivity/supported-industrial-protocols/s7+.md) | For connecting S7-1200 and S7-1500 devices                         |


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