I got my VFD and spindle wired up (from this thread: https://www.cnczone.com/forums/spind...n-outputs.html). But now I am having a few issues.
Issue 1: I have the vfd wired up to use 0-10V for speed control. Shen I command a speed in mach 4 (Using MDI, command S15000 M3) The spindle starts up but does not stop, and the spindle appears to be using the speed commanded by keypad. When changing the input on the dial on the keypad, I can increase the speed, but not decrease it, the frequency displayed on the VFD follows this. If the dial is all the way down, then I start the spindle nothing happens, then when I turn the dial the spindle starts turning,and the spindle sounds like the speed is increasing with the keypad dial, then if I turn the dial back down, the frequency on the display stays the same, and it does not sound like the spindle is slowing down.
I have the input source set to terminal, and am using AI1. I used a multi meter to verify that the voltage is changing on the input. And I am pretty sure this is working as it worked with my other VFD and spindle a few days ago.
My settings:
P0.00 - 0
P0.01 - 0
P0.02 - 1
P0.03 - 400
P0.04 - 300
P0.05 - 0
P0.06 - 400
P0.07 - 1
P0.08 - 2
P0.09 - 0
P0.10 - 0
P0.11 - 5
P0.12 - 10
P0.13 - 0
P0.14 - 5
P0.15 - 1
P0.16 - 0
P0.17 - 0
P0.18 - 0
Issue 2: The spindle at speed does not seem to be working correctly. When I look at the output in mach 4 diag screen, it appears to be flickering. When idle it is mostly off, it flickers a few times a second, when running it is on about 50% of the time. When I run a simple GCODE file, once it hits the command to start the spindle it, pauses slightly then takes off. I think this may be noise related. The cable is about 8 foot long, but it is 6 inches or more from power cables. All boards etc are sharing the same ground on the machine. Any ideas?
***Follow up. I tried switching the input to AI2 and changing P0.07 to 2. But when running it's very slow (it shows freq of 4.80 on the keypad display). I metered the AI2 input, and it was 0.13 volts. When the input is disconnected from the VFD the voltage is 6.33 Volts. In the manual it sttes that J16 needs to be set to either I or V depending on the type of input used for AI2 (Current or Voltage). Unfortunately the jumper is only labeled J16, with no indication of which is V or I. So I tried the jumper in both position, with no change in the spindle speed.
- Also the spindle does not stop running when commanded to stop.