20A 80VDC continuous operating powerPID loop closed internallyQuadrature encoder inputs5VDC 50mA encoder supplyOpto-isolated step and direction inputs20kHz PWM frequencyCurrent limit settable 0 to 20A G320 Manual (PDF)Related Application Notes:Servo Troubleshooting Guide (PDF)Using HEDS Encoders With Geckodrive Servo Products (PDF)Returned Energy Dump Circuit (PDF)Electromechanical Emergency Stop (PDF)G320 Test Points (REV6 and higher) (PDF)