Operating Instructions
2K2100 with STW
Initial installation
3.7.7
Shift logic for centre position
e position
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.
Servomotor for gear ratio change
ON
25
Gear ratio change is completed
within 2 seconds (acknowledgement
from limit switch S1 or S2 from the
gearbox shift unit)
Shut off desired oscillating speed.
Gear ratio change ended in neutral
centre position.
Query centre position via
pin 5 and 7.
Does the gear ratio change last
longer than 10 seconds?
Gear ratio change not successful:
Switch off main spindle motor.
Check system.
N
N
Y
Y
Servomotor back to starting
position
Main spindle motor start after min.
0.5 seconds.
