Connecting my 7i96s to the VFD
25 Jul 2025 10:43 #332299
by Gautham
Connecting my 7i96s to the VFD was created by Gautham
Hi Everyone,
I have never setup a CNC machine before, so while I found many other people's posts on similar topics helpful, I'm still not confident enough to try it myself without asking someone if I have it correct. I have a 7i96s board, and I can see that the TB2 PINs 22,23,24 are as follows.
22 - SPINDLE-
23 - SPINDLE OUT
24 - SPINDLE+
And the below image is my VFD's pinout
From this I gather the following
22 - SPINDLE- to COM
23 - SPINDLE OUT to AI1
24 - SPINDLE+ to +10v
Is this correct? I also wanted to know how to control the direction. Thank you for being so helpful.
Gautham
I have never setup a CNC machine before, so while I found many other people's posts on similar topics helpful, I'm still not confident enough to try it myself without asking someone if I have it correct. I have a 7i96s board, and I can see that the TB2 PINs 22,23,24 are as follows.
22 - SPINDLE-
23 - SPINDLE OUT
24 - SPINDLE+
And the below image is my VFD's pinout
From this I gather the following
22 - SPINDLE- to COM
23 - SPINDLE OUT to AI1
24 - SPINDLE+ to +10v
Is this correct? I also wanted to know how to control the direction. Thank you for being so helpful.
Gautham
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