by Staff | May 13, 2011 | Control Systems, CSI, Motion Control, Programming
THE MYSTERY The ACES CSI was called to the scene of a factory that manufactured cardboard boxes. Two of 24 drives controlling a folding and gluing machine were down and there was an error code on the front of the amplifier that indicated “the operating parameters were...
by Staff | Apr 22, 2011 | Control Systems, CSI, Motion Control, Programming
THE MYSTERY An ACES Control Systems Engineer was called to the scene of a violent crime: A forklift had rammed a control cabinet, which pushed the side of the cabinet into the terminals of a DC drive. The power arced to the cabinet wall and grounded, causing the...
by Staff | Mar 18, 2011 | Aircraft, Control Systems, CSI, Furnaces and Ovens
THE MYSTERY ACES performs the annual gas train safety checks on the ovens and autoclaves for an aerospace parts provider. One of steps of the safety checks is the combustion blower airflow or pressure-proving switch. When the ACES Control System Investigator was...
by Staff | Feb 18, 2011 | Control Systems, CSI, Steam Generators
THE MYSTERY An ACES Control Systems Investigator was called to the scene of an oil-heating steam generator platform, in a processing plant for natural gas liquids (NGLs). The CSI had been called for routine biennial emissions testing, but he noticed the trend lines...
by Staff | Jul 30, 2010 | Control Systems, CSI, Furnaces and Ovens
THE MYSTERY A manufacturer of large metal extrusions for the aircraft industry called ACES to the scene of a 40’ drop bottom furnace. The furnace had failed its most recent NADCAP audit because the hot junctions of the thermocouples recording the high and low limits...
