User guide
Xenus XTL User Guide Specifications
Copley Controls Corp. 37
3.4: Control Loops
Type
Current
Velocity
Position
100% digital.
Sampling rate (time)
Current
Velocity
Position
15 kHz (67 Ps)
3 kHz (333 Ps)
3 kHz (333 Ps)
Current Loop Small Signal
Bandwidth
> 2 kHz (Tuning and load impedance dependent)
Velocity Loop Filters
Type
Frequency Range
Programmable
Low Pass, 1 Pole
Low Pass, Butterworth, 2 Poles
Bi-Quadratic, 2 Poles & 2 Zeros
Programmable
20 - 1500 Hz
Bus Voltage Compensation Changes in bus or mains voltage do not affect tuning.
3.5: Regen Circuit Output
Model XTL-230-18 (-R, -S) XTL-230-36 (-R, -S) XTL-230-40 (-R, -S)
Continuous Power 2 kW 4 kW
Peak Power 5 kW 10 kW
Minimum Resistance
30 ๎ 15 ๎
Minimum Resistor Wattage 25 W 50 W
Turn On Voltage +390 Vdc
Turn Off Voltage +380 Vdc
DC Bus Capacitance
1760 ยตF nominal
Regen Energy Absorption
Capacity
Input Voltage 120 Vac 108 joules
208 Vac 57 joules
240 Vac 32 joules
3.6: Digital Command Input
Pulse and direction,
Count up/ count down
maximum rate
2 MHz (with active driver)
Digital Position Command
Quadrature A/B encoder
maximum rate
2 M line/sec (8 M count/sec after
quadrature)
PWM frequency range 1 kHz - 100 kHz Digital Current & Velocity
Command
PWM minimum pulse width 220 nSec