Glossary

Programmable Logic Controllers (PLCs)

What is Programmable Logic Controllers (PLCs)?

A programmable logic controller (PLC) is a digital computer-based device that uses programmable memory to store instructions and implement specific functions to control and monitor industrial equipment and processes.

What are the key characteristics of Programmable Logic Controllers (PLCs)?

  • Programmable: PLCs can be programmed using various programming languages, such as Ladder Logic, Function Block, or Structured Text.
  • Digital Computer-Based: PLCs are built around a microprocessor and use digital signals to control and monitor devices.
  • Industrial Automation: PLCs are designed for industrial automation applications, such as manufacturing, process control, and building automation.
  • Input/Output (I/O) Capabilities: PLCs have I/O modules that allow them to connect to various devices, such as sensors, actuators, and displays.
  • Real-Time Control: PLCs can perform real-time control and monitoring of industrial processes, making them ideal for applications that require rapid response times.

How does PLC help pharma?

In the pharmaceutical industry, Programmable Logic Controllers (PLCs) play a crucial role in ensuring the efficient and safe operation of manufacturing processes. Here are some ways PLCs help in pharma:

  • Automation: PLCs automate various manufacturing processes, such as batching, blending, and filling, to improve efficiency, reduce errors, and increase productivity.
  • Process Control: PLCs control and monitor various process parameters, such as temperature, pressure, and flow rates, to ensure that they are within specified limits.
  • Recipe Management: PLCs store and manage recipes for different products, ensuring that the correct ingredients are used in the right proportions and that the manufacturing process is consistent.
  • Batch Tracking: PLCs track batches of products throughout the manufacturing process, ensuring that they are properly labelled, stored, and shipped.
  • Data Acquisition: PLCs collect and store data from various sensors and instruments, providing valuable insights into the manufacturing process and enabling data-driven decision-making.