Multivariable processes are controlled by a hierarchical structure of control layers. Field devices and regulatory controls manage individual variables, while advanced process control and production control systems coordinate multiple variables to optimize operation. ▲ Figure 1. Process control consists of four tiers: field devices, regulatory control, advanced process control (APC), and production control. Process control can be …
PLCs are evolving and continue to be the best option for a variety of industrial automation applications. Greater programming flexibility and ease, scalability, more memory, smaller sizes, very high-speed (Gigabit) Ethernet, and built-in wireless are among evolving programmable logic controller features. If you use PLCs or are thinking of doing so, you may consider them …
Pressure relief valves: Pressure relief valves are safety valves that are designed to prevent internal pressure from rising above a predetermined maximum pressure in a pressure vessel exposed to abnormal or emergency conditions. Spring Loaded Design: The valve consists of an inlet valve or nozzle mounted in the …