Operating Instructions
2K800/2K801/2K802
Initial
Installation
23
3.6.5
Switching logic for switching unit with servo-motor
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.
1)
Servomotor for gear ratio
change ON (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.
Solenoid OFF after 0.5 to 1.0
seconds
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
Start main spindle motor
1) Alternatively, the first switching test can be performed without oscillating, but this requires a de-energized main spindle motor or minor output-
end masses.
