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David Ward

David's Articles

Computer Control and Interfacing with the NI MyRIO
March 2017
See how to work with analog I/O using the NI MyRIO.

Computer Control and Interfacing with the NI MyRIO
February 2017
See how to control electrical loads and devices that are outside of the MyRIO.

Computer Control and Interfacing with the NI MyRIO
January 2017
National Instruments’ MyRIO is one of the best units available for computer interfacing and data acquisition. Plus, it can be utilized for a variety of teaching applications in controls, robotics, mechatronics, and embedded concepts.

Computer Control and Interfacing with the NI MyRIO
December 2016
National Instruments’ MyRIO is one of the best units available for computer interfacing and data acquisition. Plus, it can be utilized for a variety of teaching applications in controls, robotics, mechatronics, and embedded concepts.

Getting Started With PLCs - Part 1
February 2005
PLCs or programmable logic controllers are industrial grade stand-alone computers that typically do not have monitors, keyboards, or mice attached to them as they operate. A stroll through almost any industrial plant of about any size will usually reveal dozens and dozens of PLCs controlling industrial processes ranging from control of simple conveyor belts up to specialized industrial machinery designed to automate extremely complex manufacturing processes.

Getting Started With PLCs - Part 2
March 2005
Last month, Part 1 provided a basic introduction to PLC programming, and this month, additional information and PLC programming features will be discussed, including a more complicated circuit — the roll-up door opener controller. The first article also left us with a start/stop circuit that did not have a hold-in feature; you had to hold the start button in to keep the motor running, which is inconvenient.

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