Industrial Automation and Mechatronics
Discrete Control Elements
Learn the basics of On-Off ControlThe word discrete means individual or distinct. In engineering, a 'discrete' variable or measurement refers to a true or false condition...Basic AC Electricity for Industrial Instrumentation
While direct current (DC) refers to the flow of electrical charge carriers in a continuous direction, alternating current (or AC) refers to a periodic reversal of charge flow direction... Read More...
Basic DC Electricity for Industrial Instrumentation
An eleven part article which discusses on the basics of DC electricity for Industrial Instrumentation.Click on the links below to read each part (sub-topic). Read More...
Lessons in Instrumentation
Click on these header articles to read each section:
Mathematics for Industrial Instrumentation Industrial Physics Chemistry for Instrumentation
DC Electricity AC Electricity Introduction to Industrial Instrumentation Instrumentation Documents
Instrument Connections Discrete Process Measurement Discrete Control Elements Relay Control Systems
Programmable Logic Controllers Analog Electronic Instrumentation Pneumatic Instrumentation
Digital Data Acquisition and Networks FOUNDATION Fieldbus Instrumentation Instrument Calibration
Continuous Pressure Measurement Continuous Level Measurement Continuous Temperature Measurement
Continuous Fluid Flow Measurement Continuous Analytical Measurement Machine Vibration Measurement
Final Control Elements - Control Valves Final Control Elements - Variable Speed Motor Controls
Principles of Feedback Control Process Dynamics and PID Controller Tuning Basic Process Control Strategies
Process Safety and Instrumentation Instrument System Problem-Solving
Tony R. Kuphaldt
Forum Latest Post
Hello just wondering is there a device that I could use between an active PLC analogue input and a weight display which also has an active 4 to 20 mA output. The system that we have in place at the moment is a tank weighing system, the plc...
Total Posts- 1
to set the 4 mA output of the transmitter, a pressure equivalent to wet leg pressure must be applied to the low side of the transmitter with the high side vented to atmosphere and the adjustment made. Alternatively a vacuum equivalent to...
Total Posts- 1
My name is Odell and is an instrumentation student here in Kentucky! The information is so great here. I am already half way of the instrumentation lessons.
Total Posts- 3
I have encountered this tags at my training center practice test and I need to know what they meant. can anybody help me out. KIQ, NHV, IFC and EC i was not able to answer these.
Total Posts- 3
10 mA is equivalent to 37.5 inches of water. You ge this by dividing (10-4)/(20-4) and multiplying by 100. Flow is equal to the square root of the differential pressure across the orifice plate. So take the square root of 37.5 which...
Total Posts- 10
I think what you have seen is the diagnostics page of an ethernet module. just type in the ip address of your ethernet module from a web browser connected to your controllogix PLC via ethernet, press enter. You will see a detailed...
Total Posts- 10
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