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AutoQuiz: What Is the Purpose of an Optical Isolation Circuit on a Digital Input Card in a PLC I/O System?
An optical isolation circuit is used to provide a barrier between the field wiring & associated field wiring issues (shorts, ground loops, transients, etc.)By: Joel Don22 February, 2019 | 2 minutes -
ISA Announces Release of Fluid Mechanics of Control Valves: How Valves Control Your Process
The book reflects the latest understanding of how fluid mechanics and acoustics affect control valve performance.21 February, 2019 | 1 minuteSponsored By International Society of Automation (ISA)
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