PID Controllers with Output High Select Logic
The below figure 1 shows a typical control scheme with two controllers driving the same control valve via high select
Control Systems
We have the largest collection of Industrial Control Systems articles like industrial automation, Distributed Control Systems (DCS).
Overview of Split Range Control
A very common control scheme is split range control in which the output of a controller is split to two
Difference Between the Sinking and Sourcing?
So why the confusion over Sinking and Sourcing? What’s the difference anyway? Sinking and sourcing circuits are often a source
Why we use Diode Protection Modules ?
The Diode module can be used to 100% decouple two power supplies of the same type, which are connected in parallel
Basics of Grounding
Why Ground? Poor grounding not only contributes to unnecessary downtime, but a lack of good grounding is also dangerous and
Industrial Networking and Wireless Interview Questions
Industrial Ethernet and Wireless Communication Questions. Also Read Industrial Networking and Wireless Interview Questions with Answers.
How to Do Loop Checks During Plant Pre-Commissioning
Guide lines to be followed in Field during DCS Field Loop Checks (with P&ID) and step by step procedure to be followed during DCS Loop Checks.
How to Do Logic Checks During Plant Pre-Commissioning
Basic Guidelines to be followed during Logic Checks (Follow Cause & Effect, Control Narrative, P&ID and Latest Alarm & Trip
Process Control Fundamentals
Process Control In almost all industrial process applications, control of process variables is critical to the safe and efficient operation
Why Use a Current Loop?
4-20mA current-loop circuit have four individual elements: a sensor/transducer, a voltage-to-current converter, loop power supply and a receiver / monitor.