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 ...
Dos and don'ts of control room design | Control Global
WEBApr 26, 2019 · A control room that has no room for future expansion of people or equipment. Control rooms with poor lighting, leading to employee complaints and higher rates of absenteeism. Noisy, congested control rooms with sub-optimal workflow adjacencies. Delays in design and construction schedules required to address changes.
FISCO is Fortified Intrinsic Safety - Control Global
WEBJun 3, 2010 · The Fieldbus Intrinsically Safe Concept (FISCO) provides the live working benefits of Intrinsic Safety (IS) without many of the limitations associated with the intrinsic safety (IS) entity techniques. These burdens usually include extensive calculations and restrictive power limitations, which are two main reasons why FISCO often is selected ...
Ways to improve split-range control - Control Global
WEBAug 6, 2019 · For tight control at the setpoint, overlap the transition point. For example, the cooling valve can remain open from 0-51% of output, and the heating valve can start opening at 49% through to 100%. You lose a little efficiency between 49% and 51%, but ensure a smoother transition.
How valve failure modes interact with controller actions and …
WEBDec 9, 2021 · Loop Control Distributed Control PLCs & PACs SCADA Multivariable Control Industrial Computers AI & ML. Manipulate. Motors Valves Actuators Drives. Visualize. HMI Operator Interface Alarm Management Recorders Data Acquisition Mobile Access. Network. Wireless Industrial Networks I/O Systems Power Supplies Remote Access. Manage.
How history, principles and standards led to the safety PLC
WEBMay 17, 2016 · The SIL 1 safety system is the most commonly used, and provides risk reduction in the range from 10:1 to 100:1. In the process industries, the highest SIL rating normally used is SIL 3. SIL 4 is only used under very special circumstances such as nuclear plants. SIL levels 1 to 3 represent a coarse scale of safety performance for the SIS.
How to specify valves and positioners that don’t compromise control
WEBMar 18, 2016 · How to specify valves and positioners that don’t compromise control. New white paper outlines sources of poor valve response and the fundamental solutions needed to address the root causes. → Get the white paper. Even though control valves and the associated tuning problems are the largest or most frequent source of variability in loops ...
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.
The Control/ARC Top 50 Companies | Control Global
WEBJan 29, 2010 · So, since we made it to give to one vendor, we thought we'd let everybody know that there is now an official "Control Magazine Automation Top 50" logo. Here's what it looks like: waltboyes. After however many years, one of the companies listed in the Top 50 Automation Companies issue in December asked us if …
Controllers: Direct vs. reverse-acting control - Control Global
WEBMar 14, 2014 · A: Direct action means that the controller output rises if the measurement increases. Indirect (reverse) action means that the controller output drops when the measurement rises. A: Not quite right. The control valve failure action (and sometimes the valve positioner action) is also relevant.
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