8. Motor Nameplate Explained for Automation Technicians (8 of 22)
How Automation Technicians Read Motor Data in the Field
Introduction
A motor nameplate is one of the most important sources of information on an electric motor. Before replacing a motor, setting an …
Read More9. Three-Phase AC Motors Explained for Automation Technicians (9 of 22)
The Industrial Workhorse of Motor Control
Introduction
Three-phase AC motors are one of the most common types of motors used in industrial automation. They are found in conveyors, pumps, compressors, fans, mixers, …
Read More10. Wye/Delta and Motor Lead Connections Explained (10 of 22)
Understanding 3-Phase Motor Wiring, Low Voltage, High Voltage, and Rotation
Introduction
Three-phase motors are common in industrial automation, but one area that can confuse technicians is motor lead connections.
When you open a …
Read More11. Reversing Starters Explained for Industrial Motor Control (11 of 22)
How Forward and Reverse Motor Control Works
Introduction
A reversing starter is a motor starter designed to run a three-phase motor in either direction: forward or reverse.
This is common in industrial machines …
Read More12. Jogging and Inching in Industrial Motor Control (12 of 22)
Momentary Motor Movement for Setup, Maintenance, and Positioning
Introduction
In industrial motor control, jogging and inching refer to momentary motor operation. Instead of starting the motor and allowing it to stay running, …
Read More13. Hand-Off-Auto Control Explained for Industrial Motor Control (13 of 22)
Hand-Off-Auto Control Explained
Understanding HOA Switches in Industrial Motor Control
Introduction
In industrial motor control, HOA means:
H = HandO = OffA = Auto
A Hand-Off-Auto selector switch allows a motor or device to be …
Read More14. Control Transformers in Industrial Motor Control (14 of 22)
Why We Use Lower Voltage Control Circuits
Introduction
In industrial motor control panels, it is very common to see a motor powered by a high-voltage circuit, while the control circuit operates at …
Read More15. Pilot Lights and Feedback in Industrial Motor Control (15 of 22)
Pilot Lights and Feedback in Industrial Motor Control
Understanding Motor Status, Operator Indication, and PLC Feedback
Introduction
In industrial motor control, pilot lights and feedback signals are used to show the real status …
Read More16. Command vs Feedback in Industrial Motor Control (16 of 22)
Why a Motor Command Does Not Prove the Motor Is Running
Introduction
In industrial motor control, one of the most important concepts an automation technician must understand is the difference between command …
Read More17. Faults and Alarms in Industrial Motor Control (17 of 22)
Understanding Motor Problems, Operator Messages, and Troubleshooting Logic
Introduction
In industrial motor control, faults and alarms help operators and technicians understand when something is wrong, what action is needed, and whether the …
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