At first, thanks for all of the previous support.
I'm trying to reach the final goal, application of Kuka KR210L150, KRC2, KSS 5.6.12 as 3d milling robot.
Output signal for switching on/off milling spindle (speed regulation by Delta vfd E-series inverter) is needed.
I'm looking for the simpliest way how to get this output.
1. To find and use the (probably existing) output signal for griper as output signal to switch on/off the spindle,
2. To find and use any of the existing output pins to switch on/off the spindle considering the installed hardware.
As follows, I'm sending:
Pic 1,2,3 Details of the existing cards: