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Programming options for PLC include front panel, hand held, and computer

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PLCs are usually available in these three general types:


(1) Embedded. 

The embedded controllers expand their field bus terminals and transform them into a modular PLC. All embedded controllers support the same communication standards such as Ethernet TCP/IP. The  Rugged panel pc  and compact operating units belonging to PLC product spectrum are also identical for all controllers.


(2) Compact. 

The compact PLC controller unites the functions of an operating unit and a PLC. To some extent, the compact controller already features integrated digital and analog inputs and outputs. Further fi eld bus terminals in the compact PLCs can be connected via an electrically isolated interface such as CANopen. 




(3) PC-based.

This type of PLCs is of slide-in card for the PC that extends every PC or fanless industrial pc and transforms it into a fully fledged PLC. In the PC, the slide-in card needs only one PCI bus slot and runs fully independently of the operating system. PC system crashes leave the machine control completely cold.

More info at about control panel at

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