Excella Electronics, an ISO9001:2008 and CE certified company manufactures Microprocessor Based Programmable Logic Controller [PLC]. Excella Electronics also manufactures Power Supplies, Tachogenerators, Shaft Couplings, Static Eliminators, Stepper Motors, Flexible Shafts, Incremental Encoders, Inductive Sensors, Electronic instruments, Stepper Motor and controller, encoders and Gear Boxes. Microprocessor Based Programmable Logic Controller [PLC] is a control device that consists of a programmable microprocessor, and is programmed using a specialized computer language. The Microprocessor Based Programmable Logic Controller [PLC] is used for Packaging, Pharmaceuticals, Plastic, Textile machines etc. The Microprocessor Based Programmable Logic Controller [PLC] is available in two dimensions viz. 96 x 96 x 150 mm and 132 x 218 x 220 mm and has expandable input and output ports.