Jetter JM-108, User Manual, Page: 42 / 106

6 Drive Controller Structure
42 Jetter AG
Drive Controller Specification
All servo amplifiers can be parameterized through the control program.
Description Remarks
Motor control (commutation) Space vector modulation
PWM frequency 16 kHz
Current controller
– Cycle time 62.5 µs
Speed controller
– Cycle time 125 µs
– Power supply adjustable
Position feedback controller
– Cycle time 250 µs
– Speed pre-control adjustable
Position setpoint generator
– Sine-square and linear acceleration/deceleration
ramp
can be parameterized
individually
– Setpoint output cycle (position feedback controller
interpolation)
2 ms
Position sensing
Resolver:
– Resolution 12 bits per revolution
– Sampling interval 62.5 µs
Sine/cosine encoder:
– Resolution of absolute position 15 Bit per encoder period
– Resolution of velocity pickup 20 Bit per encoder period
– Sampling interval 62.5 µs