Accelnet & Stepnet Plus Panels User Guide
16-01339 Rev 07
4.3 C
ONTROL
L
OOPS
Type
Current
Velocity
Position
100% digital.
Sampling rate (time)
Current
Velocity
Position
16 kHz (62.5 µs)
4 kHz (250 µs)
4 kHz (250 µs)
Current Loop Small Signal
Bandwidth
> 2 kHz (Typical, tuning and load impedance dependent)
Digital Filters
Programmable:
Analog Reference Input
Velocity Loop Input
Velocity Loop Output1
Velocity Loop Output2
Velocity Loop Output3
Current Loop Input1
Current Loop Input2
Input Shaping
Velocity loop output filter1 default: is 200 Hz low pass.
Bus Voltage Compensation
Changes in +HV voltage do not affect tuning.
4.4 D
IGITAL
C
OMMAND
I
NPUT
Digital Position Command
Pulse and direction,
Count up / count down
maximum rate
2 MHz (with active driver)
Quadrature A/B encoder
maximum rate
2 M line/sec (8 M count/sec after
quadrature)
Digital Current & Velocity
Command
PWM frequency range
1 kHz - 100 kHz
PWM minimum pulse width
220 ns
