# VFD frequeny converter

**URL:** https://rootcnc.discourse.group/t/vfd-frequeny-converter/345
**Category:** Uncategorized
**Created:** [23 December 2023 17:56 UTC](https://rootcnc.discourse.group/t/vfd-frequeny-converter/345 "2023-12-23T17:56:20Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![GePo](https://avatars.discourse-cdn.com/v4/letter/g/919ad9/32.png) [@GePo](https://rootcnc.discourse.group/u/GePo)
#### Post date: [23 December 2023 17:56 UTC](https://rootcnc.discourse.group/t/vfd-frequeny-converter/345/1 "2023-12-23T17:56:20Z")

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I suppose a VFD without RS485 support has to be controlled over the laser output. But what signal is there? I need 10V.

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### Author: ![sailorpete](https://yyz2.discourse-cdn.com/free1/user_avatar/rootcnc.discourse.group/sailorpete/32/7_2.png) [@sailorpete](https://rootcnc.discourse.group/u/sailorpete)
#### Post date: [15 January 2024 21:59 UTC](https://rootcnc.discourse.group/t/vfd-frequeny-converter/345/2 "2024-01-15T21:59:18Z")

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PWM support is dependant on the VFD drive it self.

Do you know if it is 0-5V or 0-10V PWM?

The Root controller Support 0-5V PWM