This best-selling programmable controllers book uses a plain, easy-to-understand approach, and covers the basic concepts of operation common to all programmable controllers. Features: -updated to include current controllers such as Allen Bradley PL5 series -updated art, with enlarged photos, visually reinforces the material -examples of basic programming techniques with typical controllers are discussed and illustrated -data manipulation instructions provide a basic understanding of data moves and how they work -real-world coverage of a typical system takes readers from the installation and operation, through troubleshootingA green light is used to indicate that the HOA switch is in the Hand position, an amber light is used to indicate that the ... so that we can monitor the status of the contacts, as well as to monitor the wiring that is associated with the float switch.
|Title||:||Technician's Guide to Programmable Controllers Workbook|
|Author||:||Richard A. Cox, Rodney C. Hedman|
|Publisher||:||Delmar - 1995-01-01|