Divelbiss Corporation designs and manufactures industrial automation and control solutions. Since 1974 we have produced custom electronic controls for automation in addition to standard products. Patented PLC on a Chip? technology allows embedded intelligence to be added to an OEM product at affordable cost. Standard PLC on a Chip based products include off-the-shelf controllers, modules, and chips. All PLC on a Chip based products program with EZ Ladder? software in ladder diagram and function block.