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PROGAMMABLE LOGIC CONTROLLER (PLC)

A Programmable Logic Controller (PLC), or programmable controller is a digital computer used for automation of industrial processes, such as control of machinery on factory assembly lines. Unlike general-purpose computers, the PLC is designed for multiple inputs and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact. Programs to control machine operation are typically stored in battery-backed or non-volatile memory. A PLC is an example of a real time system since output results must be produced in response to input conditions within a bounded time, otherwise unintended operation will result

SCADA (SUPERVISORY CONTROL AND DATA ACQUISITION)

SCADA is an acronym that stands for Supervisory Control and Data Acquisition. SCADA refers to a system that collects data from various sensors at a factory, plant or in other remote locations and then sends this data to a central computer which then manages and controls the data.There are many parts of a working SCADA system. A SCADA system usually includes signal hardware (input and output), controllers, networks, user interface (HMI), communications equipment and software. All together, the term SCADA refers to the entire central system. The central system usually monitors data from various sensors that are either in close proximity or off site (sometimes miles away). It is used in various industries and for industrial processes, including: manufacturing, water and sewage, electric power generation and mass transit.

Some of the significant features of a SCADA system are as follows:

User-friendly (windows/graphics) interface.
Automatic control.
Off-line processing.
Integrated environments.
Extensive Historical data manipulation.
Extensive processing power.
Extremely high data throughput.
Extremely quick response.
On-line complex electrical network analysis.
Real time supply/demand-side economic calculations.
Automatic voltage and power factor correction.
Distributed processing power.

WORM GEAR BOX :

Range

Power range upto 250 KW. Reduction Ratio upto 4900 : 1

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Applications

Conveyor, Material Handling, Agitator, Mixer, Ball Mill, Thermal Power Plant.

The important feature include high efficiency and load carrying capacities combined with long life and reliable service.