User guide
Regen Resistor Sizing and Configuration  Xenus XTL User Guide 
142  Copley Controls Corp. 
A.2: Configuring a Custom Regen Resistor 
A.2.1: Regen Configuration Objective and Warning 
Configure the amplifier to operate properly with the custom resistor. 
Incorrect values may damage amplifier or external regen resistor. 
!
WARNING
For the regen I
2
T algorithms to work correctly, the values entered in the following 
steps must be correct. Damage to the external regen resistor may result from 
incorrect values entered. Damage to the amplifier may result if an incorrect 
resistance value is entered. 
Failure to heed this warning can cause equipment damage. 
A.2.2: Regen Configuration Instructions 
A.2.2.1  Click Configure Regen to open the Regen Resistor screen. 
A.2.2.2  If configuring a standard Copley Controls regen resistor, select the model number and 
click Finish to save the configuration and close the screen. 
Otherwise, continue Select Custom Resistor and then click Configure to open the 
Custom Regen Configuration screen. 
A.2.2.3  Enter a Resistance within the range described on the screen. Click Next for Step 2. 










