Industrial control chassis includes rack-mounted, desktop industrial control chassis. Usually the standard specification height unit is U general, such as 1U, 2U, 3U, 4U, etc. No need the function to hot swap of the hard disk. The main function of the industrial control cabinet is to place and fix computer accessories, which can play and protect. It contains chassis enclosures, cooling fans, brackets, panels, switches and indicators. The hard disk hot swap function cannot be satisfied.