Dynomotion Forum

Hi Tom, I fixed a ground loop in my system and now the controller stays happy while the spindle runs. My init file initializes PWM1 on Bit 27, sets it to 128, and turns the Bit on. In the Kmotion Digital I/O screen Bit 27 Output box comes up as unchecked. Checking the Bit27 Output box starts a blink...

Hi Tom. Well... Hmm.... Take 1 1- moved all but the first two jumpers we discussed from 1-2 to 2-3. Left 1_1/3_6 and 1_17/3_7 on 1-2 2- powered up board. By default, I0 bit 33 was in input mode but high(?). 3- ran init routine. Bit 33 remained input/high. Dir leds for drivers 1-4 came on, but not 5 ...

Tom, Do I need to change anything in the init file when I switch these jumpers? In Kmotion (alone), do I need to init the kflop by running my init code first, or do I just run the PWM c code alone and check for voltage change? << I think the problem is with the C68 board jumpers. See the manual here...

fwiw, commented out init file lines defining IO38 and IO39 as outputs. re-booted kflop, ran board init, verified IO38 and IO39 check boxes cleared in Digital IO screen Modified 50% pwm code changing 26 to 37, to set PWM 1 on IO38 from IO27. Saved, compiled, downloaded, ran (scdr) above; IO38 shows u...

fyi, tried setting the S config in the Tool Setup to "none", no joy...

Tom, I will do that, but hesitate a bit because of the following: I have IO0 set to high so I could repurpose some pins as drivers for my 5th stepper motor/A-axis. I thought this also shifts IO38 to IO27, connected to pin 1-14 for PWM1, which turns on relay 1 or 2 depending on IO39s state. I have th...

Hi Tom, 1. Opened PC, turned on system (controller, etc.) power, waited for the system check green led. All step and direction LEDs are off at this stage, which I take to mean the system has not run the default init file on startup (this might matter a bit later). Clipped voltmeter across output con...

Thank you kindly, Tom. Yes, I do believe it it PWM1, not 0. I will let you know how it goes.

Friends, Setup: Kflop controller, CNC4PC C68 Kflop interface board, CNC4PC C62 Breakout Board, steppers with step encoders feeding back to the stepper driver (purchased as a unit), 4'x4'x12" cnc router, Hyaunyang (?) VFD/2.2Kw water cooled spindle. I have been able to initialize and run my 4 axis (X...