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Ultrasonic waves are sound waves with frequencies above the human ear’s audible range. Ultrasonic sensors transmit and reflect ultrasonic waves to measure the distance between the sensor and an object or the height of material in a container. This Ultrasonic Liquid Level eLearning course covers the construction, operation, and calibration of ultrasonic level sensors.
PLC-based on/off control is a closed loop control method used in process control applications to maintain a process variable within a specified operating range. In the simplest on/off process control applications, the controller uses discrete input switches or sensors to monitor the high and low limits of the controlled variable. Two level switches are positioned at high- and low-level limits. The control circuit maintains the level between the level limits and not at a specific setpoint. The PLC uses the status of the input switches in the program logic to turn an output device on and off to control the process.
The upper limit is the cutoff, and the lower limit is the reset. The region between the two limits is called the deadband because the PLC output does not change state in that region. Sometimes, the cutoff and reset values are set by physically moving the low-level and high-level switches in the tank. In some cases, the switch positions are fixed and the cutoff and reset values cannot be changed.
This course covers an overview of FOUNDATION Fieldbus technology, H1 FOUNDATION Fieldbus wiring and connections, device configuration, and field device calibration and operation. Examples of topics include: communication protocols used in FOUNDATION Fieldbus, the cabling of an H1 FOUNDATION Fieldbus segment, the purpose of device description and capability files, and FOUNDATION Fieldbus diagnostic and maintenance capability.
This course covers common troubleshooting skills involved with level and flow process control applications. Learners will study process input and output faults involving paddlewheel flow sensors, flow transmitters, I/P converters, and diaphragm-actuator valves, as well as system level troubleshooting skills involving on/off level control, closed loop level and flow control, and more.
Amatrol’s Multimedia Courseware – Portable Process Control (M33354) teaches learners essential process control concepts applicable throughout modern industry. Learners using Amatrol’s process control eLearning course begin by studying process control safety, instrument tags, piping and instrumentation diagrams, and level measurement.
Differential pressure flow sensors are versatile and cost less than other types of flow sensors. The Versatile Differential Pressure Flowmeter Sensors eLearning course covers three of the most common types of these sensors: orifice plates, Venturi tubes, and pitot tubes.
Amatrol’s Pressure Process Control interactive multimedia introduces how to control liquid level and tank pressure simultaneously using a human machine interface (HMI), programmable automation controller (PAC), and variable frequency drive (VFD).
Ultrasonic sensors transmit and reflect ultrasonic waves to measure the distance between the sensor and an object or the height of material in a container. This Ultrasonic Liquid Level eLearning course covers the construction, operation, and calibration of ultrasonic level sensors.
AMATROL, INC. - 2400 Centennial Blvd. | Jeffersonville, IN, 47130 - USA | P: 800-264-8285 | Outside USA P: +1.812.288.8285 | E: contact@amatrol.com
