Re: Replacing Partner 1 Brushless Servo Amps
I finally got the override to load and used it to check the Y axis - motor spun but errored or with excess following error instantly - thinking that may be telling me its turning the wrong way so I have swapped the polarity of the input to the amp. Was not able to get the override to load again. Acts like my Cycle Start switch is not working. I have a spare switch so I will swap it out and try again. Need to look up the post from Sportybob that tells me how to look at the inputs and outputs to the controller to see if it is one I can see change in the screen.
Re: Replacing Partner 1 Brushless Servo Amps
Tore into the control panel and found 4 switches that were not making contact every time they were pressed. Has some used switches so I replaced those and things work a lot better now. Have the x axis jogging. Guess I'll move on to the y next.
Re: Replacing Partner 1 Brushless Servo Amps
Been away from this project for quite some time but finally worked on it Saturday. I was able to get the Y axis servo up and running. Had to swap the phasing of the Hall sensor wires to get the motor running smoothly in both directions. Still having issues with the Z axis. That servo motor was rebuilt and has a different encoder than the Y motor, so unfortunately, I can't just copy what worked on the Y axis. Also getting some run time errors now - those concern me. Error 192 Run Time Error, History line Main, /error Address 0008:0109.
Re: Replacing Partner 1 Brushless Servo Amps
Finally back working on this machine again. Got the Z axis up and running (both the z and y need more tuning) after replacing the servo motor. So now that things all move, I thought I'd try homing the machine. So I powered everything up, hit Reset, selected Home, and hit cycle start. The screen went back to the main screen and absolutely nothing else happened. No movement, no error messages - nothing. Am I missing some steps in the homing procedure? I did not have air hooked up, so I went ahead and hooked up an air line. Same result. I can do the home here procedure and jog all three axis, but the machine does not appear to want to home normally. Any suggestions?
Re: Replacing Partner 1 Brushless Servo Amps
This machine is a hobby project and I basically took a year off from playing with it to build a new shop. Shop is done and machine is in it's new nice heated and air conditioned home so I decided to get back on this thing. I had finally figured out the correct hall sensor wiring and got the Advance Motion Controls BE25A20amps set up right. Have both the Z and teh Y axis running smoothly. With help from Sporty Bob yesterday, I wrote a couple little programs to run the Z and Y axis back and forth at 100 ipm (one at a time) to set the gain on the amps. Bob told me to shoot for a following error of .032 on the machine. At his direction, I set the gain in the axis parameter to 0 (it was at 100) and re-homed the machine. Running the y axis first, I adjusted the Loop gain and ref in gain on the amp to get the lowest stable following error on the Y axis - this was about .032. Moving to the Z axis, I was able to get it to about .025. Here are a couple pics of the amps. Wiring them in was't too difficult but took time to get teh hall and winding sequence correct. So far I am leaving the X axis amp in place - until it decides to give problems.