Repair Zone Drive Technician
Repair Zone technicians get many people calling about ‘following errors’ and assume it is a problem with their drive and asking what causes them to occur. Most of the time it is due to 2 things:
- the feedback device and the positioning information it receives
- or the cable transmitting the information
They are mainly caused by the controller, not the drive, and the information being fed to them by their feedback device or the cable.
Variable Frequency Drives
As with anything, there is an old saying, “You get what you pay for.” In many cases, variable frequency drives (VFD’s) have come down in price, but then again, it all depends on the application. For instance, using the 7.5 HP theory,
I would not use a drive that does not have the option to run in closed loop sensor vector mode for an extruder.