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There are
a number of Step-servo drives on the market today. Most of these
drives are lacking features that are necessary for a reliable servo
system that warns the control software that the motor is pushing
too hard or over its limit. Instead these drives either Fault and
remove power to the motor, causeing an uncontrolled motor, or fail
to stop the controller at all (open loop).
The Viper
drive has
features such as soft error fault that will
warn the controller to stop, if the motor is pushing too hard. Also
a hard error trip-point can also be set to disable the motor if
a severe over-current is detected. Other features are programable
error warning range, setable from +-64 counts to +-2000 counts.
Viper drives
have all the features that you need such as Differential encoder
input for noise free operation on long cables, on board replaceable
fuse, easy to interface error output, and a smooth
silent control.
No more
settleing for economy drives that can only run low resolution encoders
and dither and whine when they are holding.
All viper
drives are repairable. The Viper uses socketed driver chips
for ease of replacement. Cheaper drives with Surface-mount drivers
cannot be repaired.
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