Parker Hannifin 88-021610-01G - Manual (Page 172)

Parker Hannifin
172 Aries User Guide
Over-Voltage Protection
The Aries drive’s over-voltage circuit protects the drive from excessive
regeneration. If the voltage on the motor output terminals rises above the
threshold voltage, the drive issues an over-voltage fault and turns off power
to the motor output terminals (Motor connector). This allows the motor to
freewheel to a stop.
Threshold Voltage
All Models................................................ 410 VDC
Results of Fault ....................................... Power to motor is turned OFF
Fault output is activated
LED Left LED Right
Yellow
& 4 Green (blinking)
Red
Table 56 LED Over-Voltage Fault
Resetting the fault
To clear the latched fault, choose one of the following methods:
► Cycle power to the Aries drive.
–or–
► Open the Aries Support Tool. Then select Operating System Update
from the menu and click Reset Drive.
Warning — Over-voltage protection monitors only the motor output terminals
(DC motor bus). It does not protect against an over voltage on the AC input
terminals, which can permanently damage the drive.
Warning — When an over-voltage protection fault occurs, the drive disables
power to its motor output terminals on the Motor connector. This cuts all
control to the motor and allows the load to freewheel.