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Comment PDF Automation & Control

What’s Corroding Your Control Room?

By Chris Muller, Purafil |

Corrosion-induced failures are frequent in the electronics products used in control rooms, but proper environmental assessment, control and monitoring can help abate these concerns FIGURE 1. The critical electronic components in CPI control rooms are susceptible to corrosion, and protection mechanisms should be put into place to prevent failure.[/caption] Electronic process-control equipment — from small remote sensors and instruments to plant-wide distributed control systems (DCS) — make plants in the chemical process industries (CPI) capable of higher production rates, and keep them more competitive in the world market (Figure 1). Chemical, physical and environmental monitoring and control of processes, which previously was performed manually or through simple control systems, is now accomplished in realtime via sensors and actuators linked by a sophisticated DCS. This type of high-speed network enables manufacturers to produce goods economically at high rates and with high quality. The key to proper control is a properly functioning DCS. This ensures correct sensor function, communications and process control. The corrosive gases that are present in many industrial facilities will permeate into control rooms, DCS spaces and…
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