
IP 266 Start-Up
8.1.2 The Power Section on the IP 266's Analog Output
The power section must be connected to the IP 266's analog output.
Check the connection between the IP 266 and the power section
When you calibrate the power section, make sure that there is sufficient
power reserve. The drive must never be operated at the current limit, as the
motor speed could not follow the setpoint speed.
8.1.3 Drive System Mechanics
All mechanical elements located between the motor and the part of the drive to
be positioned are part of the drive system mechanics.
There may be play (backlash) in the drive system.
C A U T I O N :
Backlash can be compensated for only when it is outside the position control
loop. Backlash within the position control loop results in oscillations in the
control response.
To prevent backlash in the position control loop, the incremental position
encoder should be connected directly to the motor shaft.
Check your drive system for backlash.
If you detect backlash outside the position control loop, measure it exactly.
The backlash is
mm/inches/degrees
EWA 4NEB 812 6057-02
8-3
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