> 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/tillit-sensors.md).

# TilliT Sensors

### TilliT Wireless Network

In the scenario that you do not know much about the data the PLC or SCADA contains, then consider utilising our wireless sensors that are able to generate counts independant of you current machines. Choose from either a bottle counter, box counter, dry contact or PNP/NPN sensor. These wireless sensors communicate to a wireless gateway, from which the TilliT Edge will connect via MODBUS TCP over ethernet to read the current counts. A single wireless gateway can support up to 48 wireless part counters which are paired manually

<figure><img src="/files/25EgtdeQ5fz9H1EPnSJD" alt=""><figcaption></figcaption></figure>

It is important that the location of the sensor is appropriate and has a good quality connection to the wireless gateway. It is recommended that it is placed at the end of a line or asset to count the total produced goods or the count of those that were rejected.


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