Motor-Port always with 24V

[trashypopashy]

No matter what I do: On the Motor-Port I always geht 24 V.

Is my Mosfet broken?

Would it be possible (with the CNC-Firmware), to get the Motor-Signal on the TTL or Laser-Port?

[mks-viva]

Hi! I want to know, if you power on for MKS DLC32 board, the mosfet led is light up?

[trashypopashy]

Yes, it does. I also reflashed the CNC-firmware, but the Problem stays the same.

[mks-viva]

Can you provide a video about when power on?

[trashypopashy]

Can you provide a video about when power on?

https://user-images.githubusercontent.com/53164150/135070958-c132a579-da64-44b6-b437-3a498265d756.mp4

1. click is power-switch on
2. click is power-switch off

[trashypopashy]

I have an external pwm-to-analog (0-10V)-converter for my seperate spindle-driver, so the TTL-Signal would be okay for me. Is there a way to get the TTL working in the CNC-firmware?

[mks-viva]

[trashypopashy]

I know where the port is located, but it does not work. Maybe all my issues with the DLC32 are because of the CNC-firmware?

[mks-viva]

Can you use laser firmware test board and it is will work?

[trashypopashy]

I can give it a try. But I need the Z-axis, of course (because I have a CNC).

[trashypopashy]

With the Laser-firmware on the TTL-Port I get the following output:

• M3 S0 ---> TTL=0%
• M3 S5 ---> TTL=5%
• M3 S50 ---> TTL=50%

In Laser-firmware the signal has a frequency of 1kHz, when I choose "off" "5%" or "50%" on the touchscreen. When I send the grbl-commands for example M3 S50, then the TTL is 50% @ 32kHz or something like that.

---

With the CNC-Firmware I get the following:

• M3 S0 ---> TTL=0%
• M3 S5 ---> TTL=0%
• M3 S10 ---> 0%
• M3 S15 ---> 1,2%
• M3 S20 ---> 4,7%
• M3 S25 ---> 27% (- M3 S26 ---> 40%
• M3 S27 ---> 61%
• M3 S28 ---> 80%
• M3 S29 ---> 95%)
• M3 S30 ---> 95,7%
• M3 S35 ---> 95,5%
• M3 S40 ---> 95%
• M3 S45 ---> 94,6%
• M3 S50 ---> 94,1%
• M3 S55 ---> 93,6%
• M3 S60 ---> 93,2%
• M3 S65 ---> 92,7%
• M3 S70 ---> 92,2%
• M3 S75 ---> 91,7%
• M3 S80 ---> 91,2%
• M3 S85 ---> 90,7%
• M3 S90 ---> 90,2%
• M3 S95 ---> 89,7%
• M3 S100 ---> 89,2%

In CNC-firmware the signal hat a frequency of 8kHz (which my PWM-to-analog-converter can not convert). Would it be possible, to get a linear relation between M3 Sxxx an the TTL-percentage at 1...3 kHz?

Is it possible to build the firmware on my own?

[makerbase-mks]

@trashypopashy We just come back from a long holiday. We would open source recently, but you still can leave email, I will ask engineer to compile a firmware of 1khz-pwm output for you.

[makerbase-mks]

DLC32_CNC_V1.2.001_Normal_8M_H35_1009.bin.zip DLC32 firmware for CNC, pwm default is 1khz, and can be modified using $28, for example, 1kz: $28 1000

[Mar4M]

@makerbase-mks Hi. Is this problem related to mine? My spindle motor is always turned on after power on and cant be controlled by UGS or Candle and I have no way of controlling the spindle while the power is on. Have been using the 1st version o the firmware for CNC since 2021 and directly updated to this version - V2.1.0_H35_20220526_02_N_CNC. Please help. By the way, I'm just a maker with no or at most very minimal knowledge with coding/programing.