> For the complete documentation index, see [llms.txt](https://help.tillit.cloud/tillit/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.tillit.cloud/tillit/knowledge-base/setting-up-tillit/edge/common-data-sources/profinet.md).

# Profinet

## **Data Source Endpoint**

* Format: `plcIP:plcPort/Rack/Slot`
* Defaults:
  * Port: `502`
  * Rack: `0`
  * Slot: `2`
* Example: `192.168.60.2:102/1/5`

## **Data Tag Address**

* **dataType**: Specifies the type of data to be read.
* **Address**: The address to start reading from the PLC.
* Examples:
  * `"MR4"`: Memory Real at `MD4`
  * `"M32.2"`: Bit at `M32.2`