Parker Gemini GT6 Series Hardware Installation Manual page 60

Undervoltage Protection
The Gemini drive's undervoltage protection circuit monitors AC input voltage. If
input voltage falls below 75VAC while the drive is operating, the drive issues an
undervoltage fault, and turns off power to the motor.
Undervoltage protection has the following features:
Threshold Voltage:
Results of Fault:
Regeneration Protection
The Gemini drive's regeneration circuit protects it from regenerated energy—
excess energy from the load during deceleration.
NOTE: Regeneration for an extended period of time can cause a regeneration
fault.
Regeneration Protection Specifications
Drive
GT6-L5
GT6-L8
GT6-U5
GT6-U8
Results of Fault:
Voltage falling below 75VAC trips fault
Power to motor is turned OFF
LEDs: Left = illuminated RED; Right = off
Fault output is activated
Latched fault
Continuous Activation
Dissipation (watts): Conditions:
24W Turn on at 215VDC; turn off at 208VDC
24W Turn on at 215VDC; turn off at 208VDC
10W Turn on at 92VDC; turn off at 83VDC
10W Turn on at 92VDC; turn off at 83VDC
Power to motor is turned OFF
LEDs: Left = illuminated RED; Right = off
Fault output is activated
Latched fault
Appendix A – Specifications
59