User guide
Xenus Plus User Guide    Specifications 
Copley Controls  65 
3.11: Encoder Power Supply Output 
XEL/XPL/XML 
Number 
2 
Voltage Output 
+5 Vdc ±2% 
Maximum Current Output 
400 mA 
Short Circuit Protection 
Fold-back current limiting 
Function 
Provides power for motor encoder and/or Hall switches. 
XE2/XP2/800-1782/800-1808 
Number 
4 
Voltage Output 
+5 Vdc ±2% 
Maximum Current Output 
500 mA 
Short Circuit Protection 
Fold-back current limiting 
Function 
Provides power for motor encoders and/or Hall switches. 
3.12: Primary Encoder Inputs 
XEL/XPL/XML 
Channels 
3 
Type 
Differential RS-422 line receiver w/ RC filter 
Non-isolated 
Signals 
A, /A, B, /B, S, /S, X*, /X* 
Input Voltage Range 
±7 Vdc 
Differential Input Threshold 
±0.2 Vdc 
Termination Resistance 
121   
Maximum Frequency 
5 MHz Line (20 Mcount/sec) 
Function 
Incremental or analog encoder or resolver required for sinusoidal commutation 
and position or velocity modes of operation. 
* X is equivalent to Marker, Index, or Z channels, depending on the encoder manufacturer. This channel is only 
required in certain homing modes while under CAN control. 
XE2/XP2/800-1808 
Channels 
8 
Type 
Differential RS-422 line receiver w/ RC filter 
Non-isolated 
Signals 
A, /A, B, /B, S*, /S*, X*, /X* for each axis 
Input Voltage Range 
±7 Vdc 
Differential Input Threshold 
±0.2 Vdc 
Termination Resistance 
121   
Maximum Frequency 
5 MHz Line (20 Mcount/sec) 
Function 
Incremental or analog encoder or resolver required for sinusoidal commutation 
and position or velocity modes of operation. 
* S and X channels are bi-directional. 
NOTE: There is no Digital Encoder feedback on 800-1782 drives. 










