> For the complete documentation index, see [llms.txt](https://docs.creativeconners.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.creativeconners.com/docs/spikemark-6/movements/modbus-moves.md).
# Modbus Movements
Spikemark can trigger a Modbus coil. To do this, set the coil number and then choose to either activate or clear the coil.
{% hint style="info" %}
Changes to the movement don't take effect until you click the "Save Changes" button. If you don't want to update the movement you can click the "Discard Changes" button or press the esc key on the keyboard.
{% endhint %}
---
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