by Staff | Nov 23, 2011 | Control Systems, CSI, Municipal Water, Wiring and Electricity
THE MYSTERY The ACES CSI (Control System Investigator) was just finishing up a service call at a wastewater plant. He was testing the work he’d done on a controller, which runs a coagulation unit removing heavy metals from water. This is a high-current, low-voltage...
by Staff | Nov 14, 2011 | Control Systems, CSI, Wiring and Electricity
THE MYSTERY A corrections facility in the area called ACES because one of their industrial washing machines (100 lb. capacity) was down. They called an electrician in to look at it, but he was unable to find the problem. THE CLUES ACES sent a Control Scene...
by Staff | Jul 7, 2010 | Control Systems, CSI, Programming, Wiring and Electricity
THE MYSTERY A local box manufacturer called ACES in a panic because the machine which produced the starch that glued their corrugated cardboard had suddenly quit working, resulting in a sticky mess. The factory used glue to turn giant rolls of paper into corrugated...
by Staff | May 11, 2010 | Control Systems, CSI, Wiring and Electricity
THE MYSTERY A large aerospace company in Kansas owned a large industrial generator that wasn’t generating; it was subsequently sold to two different companies — neither of which could make it work —so the generator was condemned. THE CLUES The first thing the ACES...
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...
by Staff | Oct 21, 2009 | Control Systems, CSI, Motion Control, Wiring and Electricity
THE MYSTERY A local chip maker called because their tortilla press would run fine for awhile, but then during the middle of a cycle the press would come down and not return to the up position. Cycling power to the machine it would resume operation sometimes for hours...