Hi!
I have a sinumerik 820 GA3 system on two different machine (almost identical)
I lost the data on one of them and since i didn't have a backup a took the program from the second machine( MD, PLC-MD and S5D).
The only problem i have now is that on the z axe when i give a reference the machine is moving in the oposite direction (minus direction instead of plus direction). I understand that the second machine has the zero limit switch at the -axe and the first one at the +axe. I don't know if the calibration is done in the PLC or in the CNC.
In Jog mode the commands seems do be OK (+ and - directions)
Please help!