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WEBControl Global features news and analysis of process control and automation technology to help managers and engineers maintain and optimize systems for today's process industries.
Top 50 Automation Companies of 2021: Green Muscles In
WEBNov. 8, 2022. The Top 50 global and North American automation suppliers fend off recession with sustainability and digitalization. Larry O'Brien, Chantal Polsonetti, Mike Guilfoyle. The automation marketplace proved its resilience again in 2021 and returned to pre-pandemic levels. Despite advances in project engineering that reduced cycle times ...
How to size and select your next pressure relief valve
WEBNov 4, 2020 · The valve will close when the inlet flange pressure drops to 93-psig (100 – 7). Assuming inlet pressure losses of 3%, the system pressure at closing will be 96-psig (93 + 3). Now, assuming that inlet losses are 10-psig, the valve will close at 103-psig, which is 3-psig higher than the set pressure.
Rockwell Automation’s expanding technology strategy
WEBNov 10, 2023 · Agile. Sustainable. These are the three key outcomes Rockwell Automation is focused on creating for users of its technologies, said Blake Moret, chairman and CEO of Rockwell Automation during the opening keynote at Automation Fair 2023. “Our job is to understand customers’ complex challenges, help them better define what the specific …
How valve failure modes interact with controller actions and …
WEBDec 9, 2021 · The controller action is selected for the total loop (Figure 1) to always have negative feedback (RA). Each RA (180° phase shift) in the loop causes a sign reversal, while each DA results in no phase shift. In terms of the total loop, this means that if both the valve and the process are DA (phase shift = 0) or if both are RA (phase shift -180 ...
Compressor surge control: Deeper understanding, simulation can ...
WEBOct 25, 2018 · Figure 4: The surge flow controller FC1-1 and enhanced PID valve position controller ZC1-4 have external reset feedback for directional move suppression for fast opening with slow closing of surge valves for fast getaway in abnormal situations and gradual optimization.
Sequencing split-range valves - Control Global
WEBNov 27, 2023 · Bela Liptak / [email protected] A3: Valves are installed in parallel to improve control accuracy for larger flows by taking advantage of a smaller valve, and expanding the control range of flows beyond the control accuracy of the large valve. To do this, we used a VPC. The process controller throttles the small valve and a VPC on the small …
Top 50 Automation Companies of 2020: Rising to recover
WEBOct 27, 2021 · Coming out of the COVID-19 recession. The worldwide and North American automation markets almost universally declined in 2020 due to COVID-19. By April 2020, more than 80% of flights were restricted, cargo capacity was down, airlines and rental car companies reduced their fleets, and West Texas Intermediate Crude hit less than $37 …
Understanding switch configurations - Control Global
WEBNov 25, 2019 · A: NO and NC are the fundamental blocks of understanding any logic, be it soft or hardware. Normal condition is defined as energized condition and when plant/equipment/machine is running in normal condition, logic is true. NC means normally-closed contact. NO means normally-open contact.
Modular process automation: More than the sum of parts
WEBOct 20, 2021 · Modular process automation: More than the sum of parts. Module Type Package (MTP) standardizes device descriptions and process interactions to streamline programming and production. It's a bad idea to glue Legos or other building blocks together because you can't take them apart, reassemble and rebuild, or create something new …