User guide
Xenus Plus User Guide    Specifications 
Copley Controls  61 
3.4: Control Loops 
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 (Tuning and load impedance dependent) 
Loop Filters 
Programmable 
Velocity loop output filter default: 200 Hz low pass. 
Bus Voltage 
Compensation 
Changes in bus or mains voltage do not affect tuning. 
3.5: Regen Circuit Output 
Model 
XEL-230-18 (-R) 
XPL-230-18 (-R) 
XML-230-18 (-R) 
XEL-230-36 (-R) 
XPL-230-36 (-R) 
XML-230-36 (-R) 
XEL-230-40 (-R) 
XPL-230-40 (-R) 
XML-230-40 (-R) 
XE2-230-20 (-R) 
XP2-230-20 (-R) 
800-1808 
800-1782 
Continuous Power 
2 kW 
4 kW 
4 kW 
Peak Power 
5 kW 
10 kW 
10 kW 
Minimum Resistance 
30   
15   
15   
Minimum Resistor Wattage 
25 W 
50 W 
50 W 
Turn On Voltage 
+390 Vdc 
Turn Off Voltage 
+380 Vdc 
DC Bus Capacitance 
2350  F nominal 
Regen Energy Absorption 
Capacity 
Input Voltage 120 Vac 
145 Joules 
208 Vac 
77 Joules 
240 Vac 
43 Joules 
3.6: Digital Command Input 
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 










