# K40 upgrade to Rd6432 help

**URL:** <https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532>\
**Category:** Controller\
**Created:** [September 7, 2021, 3:24pm UTC](https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532 "2021-09-07T15:24:49Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![wallyhering](https://avatars.discourse-cdn.com/v4/letter/w/3d9bf3/32.png) [@wallyhering](https://forum.cloudray.com/u/wallyhering)\
**Post date:** [September 7, 2021, 3:24pm UTC](https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532/1 "2021-09-07T15:24:49Z")

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I have a new redsail k40 type co2 40watt. I have purchased a new Rd6432. I am looking for help in connecting new controller to the laser power unit my jg 40 watt. Any help exact diagrams would be great. Not good with wires ect. But learning thanks

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**Author:** ![Polaris](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.cloudray.com/polaris/32/831_2.png) [@Polaris](https://forum.cloudray.com/u/Polaris)\
**Post date:** [September 8, 2021, 2:06am UTC](https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532/2 "2021-09-08T02:06:22Z")

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[![da938217341b8b8203556aec0bddc5e](https://us1.discourse-cdn.com/flex020/uploads/cloudray/original/1X/47858264ffd51510e63a42a4907f4ebe99663300.jpeg)](https://www.cloudraylaser.com/collections/co2-laser-controller/products/cloudray-ruida-rdc6432g-laser-control-card?utm_source=Froum&utm_medium=support&utm_campaign=ruida)  
Hello,wallyhering,This is the wiring diagram I found.  
I want to know your original board model.  
If your control board is LiHuiyu, you need to buy a driver separately

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**Author:** ![wallyhering](https://avatars.discourse-cdn.com/v4/letter/w/3d9bf3/32.png) [@wallyhering](https://forum.cloudray.com/u/wallyhering)\
**Post date:** [September 8, 2021, 7:55am UTC](https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532/3 "2021-09-08T07:55:49Z")

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> **[Wiring the Ruida Controller](https://msraynsford.blogspot.com/2019/01/wiring-ruida-controller.html?m=)**
>
> The RDC6442G controller from Ruida This is going to be quite an image heavy post describing the rewiring needed to convert between the L...

I am not sure what main board it was and I don’t know how to post a photo on here can I have an email address please so as to forward photos.  
As for drivers do you mean stepper drivers and if so I have them

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<div class="post-metadata">

**Author:** ![Polaris](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.cloudray.com/polaris/32/831_2.png) [@Polaris](https://forum.cloudray.com/u/Polaris)\
**Post date:** [September 8, 2021, 8:59am UTC](https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532/4 "2021-09-08T08:59:41Z")

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![1BB22A~1](https://us1.discourse-cdn.com/flex020/uploads/cloudray/original/1X/21cc0dea00f7152c838f8bca338864165c28a35e.png)  
You can post photos here.

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**Author:** ![wallyhering](https://avatars.discourse-cdn.com/v4/letter/w/3d9bf3/32.png) [@wallyhering](https://forum.cloudray.com/u/wallyhering)\
**Post date:** [September 8, 2021, 10:25am UTC](https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532/5 "2021-09-08T10:25:38Z")

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````auto
type or paste code here
```[quote="Polaris, post:4, topic:532, full:true"]
![1BB22A~1|690x184](upload://4OYWl2uVaYh1ufsbpgRUmfh19LM.png)
You can post photos here.
[/quote]

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![IMG_20210906_181714|666x500](upload://daVA5C7FGJTmYRGaDbJVPhSnW6r.jpeg)
![IMG_20210906_181422|666x500](upload://kMMLVNmbzaMu9DsO8jTBoqDKdgh.jpeg)
![IMG_20210906_181348|666x500](upload://8RCBweJKPiHfdKcSypbO9m2JFcF.jpeg)
![IMG_20210906_181340|666x500](upload://gbZZtNP5Wgcp6r1YYgtS0XEfAsI.jpeg)

*
````

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<div class="post-metadata">

**Author:** ![wallyhering](https://avatars.discourse-cdn.com/v4/letter/w/3d9bf3/32.png) [@wallyhering](https://forum.cloudray.com/u/wallyhering)\
**Post date:** [September 8, 2021, 6:26pm UTC](https://forum.cloudray.com/t/k40-upgrade-to-rd6432-help/532/6 "2021-09-08T18:26:48Z")

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Hi the original board is a “lihuiyu studio labs HT-MASTER-9”