by Staff Writer | Feb 8, 2013 | Control Systems, CSI, Wiring and Electricity, Yaskawa VFDs
THE MYSTERY A packaging manufacturing company called ACES as one of their paper machines had broken two felts in short order. The felt is a strip that carries the paper pulp, threading it through a long and complex series of rollers to squeeze out the water. The...
by Staff Writer | May 30, 2012 | Control Systems, CSI, Wiring and Electricity, Yaskawa VFDs
Sometimes swapping an old VFD for a new one is harder than it looks, like when the old drive is much larger and heavier than the new one. Here, the ACES CSI (Control Systems Investigator solved both hardware and software challenges.
by Staff Writer | Mar 7, 2011 | Control Systems, CSI, Motion Control, Yaskawa VFDs
THE MYSTERY The depalitizing elevator of a local bottling plant stopped working, bringing production to a halt. The case of the non-lifting hoist. THE CLUES Upon examination the ACES Control Systems Investigator found that the depalitizer hoist which lifts the bottles...
by Staff Writer | Mar 29, 2010 | Aircraft, Control Systems, CSI, Yaskawa VFDs
THE MYSTERY A Yaskawa 515 variable frequency drive at a local aerospace company wasn’t starting. The VFD had been working correctly until suddenly stalling in its tracks. THE CLUES Upon arriving on the scene the CSI immediately recognized that the VFD run light was...
by Staff Writer | Nov 4, 2009 | Control Systems, CSI, Wiring and Electricity
THE MYSTERY A glass company who screen prints logos on customer glass called ACES because the mechanism that advances the glass through the ink dryer wasn’t working. THE CLUES An electrician had already replaced the variable frequency drives, with no effect, so the...
