PLC

Top 15 PLC brands,

Introduction:

In PLC (Programmable Logic Controller) is an electronic solid-state device that can control a process or a machine and has the ability to be programmed or reprogrammed quickly according to the demand of the application.

It was invented to replace the relay-based sequential circuits that were necessary for machine control. The PLC works by monitoring its inputs, and depending on its status, activating and deactivating its outputs.

PLCs are used in many applications:

  • Parts machining
  • Packaging machines
  • Material handling
  • Automatic assembly
  • Petrochemical / Chemical
  • Mining
  • And in general, any type of application that requires electrical controls can use a PLC.

Top 15 PLC Brands:

  1. ABB
  2. Allen-Bradley
  3. Siemens
  4. Honeywell
  5. Mitsubishi
  6. Yokogawa
  7. Toshiba
  8. General Electric
  9. Omron
  10. Schneider Automation
  11. Reliance
  12. Hitachi
  13. Modicon/Gould
  14. AutomationDirect/PLC Direct/Koyo
  15. Cutler Hammer

Types of PLC:

Compact:

  • Monolithic construction
  • Monoprocessor
  • Fieldbus connection

Modular PLC:

  • Modular construction (backplane)
  • One- or multiprocessor system
  • Fieldbus and LAN connection

Soft-PLC:

  • Windows NT or CE-based automation products
  • Direct use of CPU or co-processors

Top PLC Brands & types of PLC:

At present many brands and types of PLC are widely used in industries ranging from low-end to high-end. Here are some brands and types of PLC that are widely used in industry:

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