Operating
Instructions
Initial Installation
2K800/2K801/2K802
20
EN 4161.758.103n – 2015-10
3.6.2
Shift logic
Reduce main spindle motor speed
from operating speed to zero.
Leave controller enable on
converter.
Apply desired oscillating speed to
converter and speed controller
without delay.
Shift unit energized
(pin 2 and 3)
Gear ratio change is
completed within 2 seconds.
(Acknowledgement from limit switch
S1 or S2 from the
shift unit)
Shut off desired
oscillating speed.
After 200 ms to max. 500 ms
shift unit OFF.
Gear ratio change complete.
Number of attempted
shifts > 5 each from the
starting position
(polarity reversal)
Gear ratio change not
successful:
Switch off main spindle motor.
Check system.
N
N
Y
Y
Main spindle motor start.
