https://controlstrainer.com/2026-10-21 https://controlstrainer.com/plc-simulator.php2026-10-14 https://controlstrainer.com/online-plc-training.php2026-10-14 https://controlstrainer.com/ladder-logic-training.php2026-10-14 https://controlstrainer.com/plc-troubleshooting-training.php2026-10-14 https://controlstrainer.com/level1.php2026-10-14 https://controlstrainer.com/level2.php2026-10-14 https://controlstrainer.com/plans.php2026-10-14 https://controlstrainer.com/pilot.php2026-10-20 https://controlstrainer.com/media/controlstrainer-demo-2026-10-14-poster.jpg Controls Trainer product demo: PLC and electrical troubleshooting training in the browser A narrated walkthrough of Controls Trainer: maintenance technicians practice lockout/tagout, motor controls, PLC ladder logic and electrical troubleshooting on simulated control panels, and managers assign training and track progress. https://controlstrainer.com/media/controlstrainer-demo-2026-10-14.mp4 147 2026-10-14T12:00:00-04:00 yes https://controlstrainer.com/media/controlstrainer-commercial-v3-poster.jpg Controls Trainer in 26 seconds: practice before production A short overview of Controls Trainer, the online PLC simulator and industrial controls training for maintenance teams. https://controlstrainer.com/media/controlstrainer-commercial-v3.mp4 26 2026-10-17T12:00:00-04:00 yes https://controlstrainer.com/safety-overview.php2026-10-20 https://controlstrainer.com/media/controlstrainer-safety-overview-2026-10-20-poster.jpg Lockout/tagout and electrical safety training for maintenance teams | Controls Trainer For safety and EHS leaders: maintenance technicians practice lockout/tagout, proving zero energy and electrical troubleshooting on simulated panels, with lessons built around NEC, NFPA 70E, NFPA 79 and OSHA 1910.147, plus signed training records. https://controlstrainer.com/media/controlstrainer-safety-overview-2026-10-20.mp4 106 2026-10-20T07:32:00-04:00 yes https://controlstrainer.com/manager-overview.php2026-10-20 https://controlstrainer.com/media/controlstrainer-manager-overview-2026-10-20-poster.jpg Controls Trainer for maintenance managers How Controls Trainer helps maintenance managers train technicians: hands-on motor control, PLC and troubleshooting practice in the browser, with assignments, a skills matrix and signed training records. https://controlstrainer.com/media/controlstrainer-manager-overview-2026-10-20.mp4 100 2026-10-20T13:16:00-04:00 yes https://controlstrainer.com/fault-finder.php2026-10-20 https://controlstrainer.com/partner-overview.php2026-10-20 https://controlstrainer.com/assets/site/og-controls-trainer.jpg Controls Trainer for insurance brokers and loss control partners How insurance brokers and loss control consultants can offer Controls Trainer to manufacturing clients: browser-based electrical and controls safety training for maintenance teams. https://controlstrainer.com/media/controlstrainer-partner-overview-2026-10-17.mp4 107 2026-10-17T12:00:00-04:00 yes https://controlstrainer.com/demo.php2026-10-20 https://controlstrainer.com/partners.php2026-10-19 https://controlstrainer.com/why-controlstrainer.php2026-10-21 https://controlstrainer.com/press.php2026-10-21 https://controlstrainer.com/about.php2026-10-21 https://controlstrainer.com/compliance.php2026-10-14 https://controlstrainer.com/risk-management.php2026-10-14 https://controlstrainer.com/support.php2026-10-14 https://controlstrainer.com/contact.php2026-10-20 https://controlstrainer.com/enterprise.php2026-10-14 https://controlstrainer.com/updates.php2026-10-20 https://controlstrainer.com/privacy.php2026-10-21 https://controlstrainer.com/terms.php2026-10-14 https://controlstrainer.com/tutorials.php2026-10-24 https://controlstrainer.com/motor-starter-wiring.php2026-10-24https://controlstrainer.com/media/tutorials/motor-starter-wiring.jpg?v=matched20261024How to Wire a Motor Starter with Start/Stop ButtonsFollow a PLC-controlled start/stop circuit from its field devices to the contactor. See the connections, understand the feedback, and practice the job in free Level 1.https://controlstrainer.com/media/tutorials/motor-starter-wiring.mp4?v=matched202610241032026-10-24T06:18:13-04:00 https://controlstrainer.com/plc-troubleshooting-for-beginners.php2026-10-24https://controlstrainer.com/media/tutorials/plc-troubleshooting-for-beginners.jpg?v=matched20261024PLC Troubleshooting for Beginners: A Conveyor That Will Not StartLearn a practical diagnostic order: operator report, alarm, PLC I/O, circuit measurements, controlled repair and a functional retest. Practice on the stopped conveyor in free Level 2.https://controlstrainer.com/media/tutorials/plc-troubleshooting-for-beginners.mp4?v=matched20261024932026-10-24T06:18:13-04:00 https://controlstrainer.com/ladder-logic-for-beginners.php2026-10-24https://controlstrainer.com/media/tutorials/ladder-logic-for-beginners.jpg?v=matched20261024Ladder Logic for Beginners: Contacts, Coils and TimersConnect ladder instructions to changing input bits and machine behavior. Use the Level 3 pump requirements to understand contacts, branches, output coils and a TON timer.https://controlstrainer.com/media/tutorials/ladder-logic-for-beginners.mp4?v=matched20261024892026-10-24T06:18:13-04:00 https://controlstrainer.com/vfd-commissioning-tutorial.php2026-10-24https://controlstrainer.com/media/tutorials/vfd-commissioning-tutorial.jpg?v=matched20261024VFD Commissioning Tutorial: Motor Nameplate and Drive ParametersCommission the simulated conveyor drive from the motor data and work order. Follow the command sources, speed reference, operating limits and restart tests in Level 4.https://controlstrainer.com/media/tutorials/vfd-commissioning-tutorial.mp4?v=matched20261024932026-10-24T06:18:13-04:00 https://controlstrainer.com/hmi-programming-tutorial.php2026-10-24https://controlstrainer.com/media/tutorials/hmi-programming-tutorial.jpg?v=matched20261024HMI Programming Tutorial for Beginners: Build an Operator ScreenBuild an operator interface in HMI Studio and connect it to the PLC. Learn the difference between a command, an indication, an alarm acknowledgement and a machine reset.https://controlstrainer.com/media/tutorials/hmi-programming-tutorial.mp4?v=matched20261024852026-10-24T06:18:13-04:00 https://controlstrainer.com/lockout-tagout-steps.php2026-10-24https://controlstrainer.com/media/tutorials/lockout-tagout-steps.jpg?v=matched20261024Lockout Tagout Steps in Order: A Simulated WalkthroughUnderstand the order of energy control, then see the electrical isolation and verification actions practiced in Level 1. A machine-specific procedure determines the work on real equipment.https://controlstrainer.com/media/tutorials/lockout-tagout-steps.mp4?v=matched20261024972026-10-24T06:18:13-04:00 https://controlstrainer.com/machine-guarding-training.php2026-10-24https://controlstrainer.com/media/tutorials/machine-guarding-training.jpg?v=matched20261024Machine Guarding Training: Guards, Safety Relays and Safe RestartFollow the guard, safety relay and machine indications in Level 6. See why closing the guard, resetting the safety circuit and deliberately starting the conveyor are separate actions.https://controlstrainer.com/media/tutorials/machine-guarding-training.mp4?v=matched20261024852026-10-24T06:18:13-04:00 https://controlstrainer.com/loto-training-authorized-employees.php2026-10-24https://controlstrainer.com/media/tutorials/loto-training-authorized-employees.jpg?v=matched20261024LOTO Training for Authorized Employees: Electrical and Stored-Energy PracticeSee how electrical isolation and a pneumatic cell can support an employer’s hazardous-energy training. Focus on recognizing energy sources, choosing controls and verifying the resulting state.https://controlstrainer.com/media/tutorials/loto-training-authorized-employees.mp4?v=matched20261024952026-10-24T06:18:13-04:00 https://controlstrainer.com/maintenance-skills-matrix.php2026-10-24https://controlstrainer.com/media/tutorials/maintenance-skills-matrix.jpg?v=matched20261024How to Build a Skills Matrix for Maintenance TechniciansTurn maintenance training requirements into an understandable team view. Use ControlsTrainer’s assignment-based matrix to review coverage, follow up on gaps and keep completion evidence in context.https://controlstrainer.com/media/tutorials/maintenance-skills-matrix.mp4?v=matched20261024932026-10-24T06:18:13-04:00 https://controlstrainer.com/resources.php2026-10-30 https://controlstrainer.com/exercises.php2026-10-29 https://controlstrainer.com/how-to-read-a-multimeter.php2026-10-29 https://controlstrainer.com/how-to-check-3-phase-voltage.php2026-10-29 https://controlstrainer.com/lockout-tagout-procedure.php2026-10-29 https://controlstrainer.com/contactor-wiring.php2026-10-31 https://controlstrainer.com/how-to-test-a-contactor.php2026-10-31 https://controlstrainer.com/xic-xio-ladder-logic.php2026-10-29 https://controlstrainer.com/seal-in-circuit.php2026-10-29 https://controlstrainer.com/quiz-buzzer-ladder-logic.php2026-10-29 https://controlstrainer.com/forward-reverse-motor-control.php2026-10-31 https://controlstrainer.com/short-lessons.php2026-10-24https://controlstrainer.com/media/reels/controls-explained-holding-circuit.jpgHolding, Latching and Seal-In CircuitSee how an auxiliary contact holds the contactor on after you release Start, and how Stop opens the circuit.https://controlstrainer.com/media/reels/controls-explained-holding-circuit.mp426https://controlstrainer.com/media/reels/controls-explained-normally-closed-stop.jpgWhy Stop Is Normally ClosedFollow the coil circuit as Stop opens, then see what happens when a wire in that series path breaks.https://controlstrainer.com/media/reels/controls-explained-normally-closed-stop.mp422https://controlstrainer.com/media/reels/controls-explained-xic-xio.jpgXIC and XIO Test BitsCompare field-contact position with PLC bit state, then watch XIC and XIO evaluate the same input.https://controlstrainer.com/media/reels/controls-explained-xic-xio.mp426https://controlstrainer.com/media/reels/controls-explained-on-delay-timer.jpgHow a TON Timer WorksWatch a three-second on-delay timer accumulate, set its done bit, and reset when the rung goes false.https://controlstrainer.com/media/reels/controls-explained-on-delay-timer.mp422https://controlstrainer.com/media/reels/controls-explained-rising-edge-counter.jpgOne Box, One CountSee why one blocked sensor produces one count, and why a new false-to-true transition matters.https://controlstrainer.com/media/reels/controls-explained-rising-edge-counter.mp425https://controlstrainer.com/media/reels/controls-explained-command-vs-feedback.jpgCommand Is Not FeedbackCompare a run command with contactor feedback. A requested action and a confirmed action are different signals.https://controlstrainer.com/media/reels/controls-explained-command-vs-feedback.mp426https://controlstrainer.com/media/reels/controls-explained-and-or-branches.jpgSeries AND, Parallel ORFollow two permissives in series, then compare parallel branches that provide alternative logic paths.https://controlstrainer.com/media/reels/controls-explained-and-or-branches.mp426https://controlstrainer.com/media/reels/controls-explained-four-twenty-ma.jpgWhy 4 mA Is Not a Lost SignalWatch a 4–20 mA process signal and understand why a valid zero reading differs from a lost signal.https://controlstrainer.com/media/reels/controls-explained-four-twenty-ma.mp427https://controlstrainer.com/media/reels/controls-explained-vfd-nameplate.jpgProgram the Motor RatingCompare the drive rating with the motor nameplate and identify the data used to commission the motor.https://controlstrainer.com/media/reels/controls-explained-vfd-nameplate.mp426https://controlstrainer.com/media/reels/controls-explained-vfd-speed-slip.jpgFrequency, Speed and SlipConnect frequency, rotating-field speed and rotor speed in an induction motor, including slip.https://controlstrainer.com/media/reels/controls-explained-vfd-speed-slip.mp425https://controlstrainer.com/media/reels/controls-explained-alarm-acknowledge.jpgAcknowledge Does Not Fix a FaultFollow an HMI alarm through acknowledgement and fault clearance, and see why they are separate actions.https://controlstrainer.com/media/reels/controls-explained-alarm-acknowledge.mp424https://controlstrainer.com/media/reels/controls-explained-estop-not-isolation.jpgEmergency Stop Is Not IsolationSee why stopping motion does not isolate electricity or release stored energy.https://controlstrainer.com/media/reels/controls-explained-estop-not-isolation.mp428 https://controlstrainer.com/inside-the-machine-preview/2026-10-25 https://controlstrainer.com/inside-the-machine-preview/01-inside-a-contactor-c6dc11caf197.jpg Inside a Contactor Watch the coil energize, the armature move, and the main contacts close. https://controlstrainer.com/inside-the-machine-preview/01-inside-a-contactor-22d1c0949c56.mp4 26 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/02-inside-a-thermal-overload-a5b1e0ada475.jpg Inside a Thermal Overload See how a thermal overload responds to sustained excess motor current. https://controlstrainer.com/inside-the-machine-preview/02-inside-a-thermal-overload-aaca83eba895.mp4 30 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/03-why-reversing-starters-need-interlocks-e73958c8156c.jpg Why Reversing Starters Need Interlocks See why forward and reverse contactors must never close together. https://controlstrainer.com/inside-the-machine-preview/03-why-reversing-starters-need-interlocks-0ad150fb01ec.mp4 28 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/04-the-field-that-turns-the-motor-dd6400d6d771.jpg The Field That Turns the Motor Explore the rotating magnetic field that drives an induction motor. https://controlstrainer.com/inside-the-machine-preview/04-the-field-that-turns-the-motor-9cc5935cc155.mp4 26 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/05-how-an-inductive-sensor-sees-metal-b45ac5702c37.jpg How an Inductive Sensor Sees Metal Watch an inductive proximity sensor respond as metal enters its sensing range. https://controlstrainer.com/inside-the-machine-preview/05-how-an-inductive-sensor-sees-metal-d7d3a54d4725.mp4 26 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/06-pnp-and-npn-follow-the-current-8b194a6ea031.jpg PNP and NPN - Follow the Current Follow the different current paths through PNP and NPN sensor circuits. https://controlstrainer.com/inside-the-machine-preview/06-pnp-and-npn-follow-the-current-fdc5c3a27fb1.mp4 30 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/07-inside-a-plc-scan-ab8d5dd92a27.jpg Inside a PLC Scan Follow the repeating input, logic, and output sequence inside a PLC. https://controlstrainer.com/inside-the-machine-preview/07-inside-a-plc-scan-15dc5f934422.mp4 31 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/08-from-milliamps-to-engineering-units-584a6e12d816.jpg From Milliamps to Engineering Units See how a 4–20 mA signal becomes a useful engineering value. https://controlstrainer.com/inside-the-machine-preview/08-from-milliamps-to-engineering-units-86f7efed06e4.mp4 28 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/09-inside-a-vfd-d819feb179b1.jpg Inside a VFD Follow the power stages inside a variable frequency drive. https://controlstrainer.com/inside-the-machine-preview/09-inside-a-vfd-7707c510ab67.mp4 29 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/10-why-a-vfd-uses-a-speed-ramp-b5c3505d3cbb.jpg Why a VFD Uses a Speed Ramp Watch how a programmed speed ramp changes motor acceleration. https://controlstrainer.com/inside-the-machine-preview/10-why-a-vfd-uses-a-speed-ramp-56d9f6cddd88.mp4 25 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/11-from-hmi-button-to-machine-action-15bb1429287c.jpg From HMI Button to Machine Action Trace an HMI command through the PLC to a machine output. https://controlstrainer.com/inside-the-machine-preview/11-from-hmi-button-to-machine-action-1539d0145ffd.mp4 29 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/inside-the-machine-preview/12-why-an-open-contact-can-read-voltage-52b78f0e774a.jpg Why an Open Contact Can Read Voltage See why voltage can appear across an open contact in a connected circuit. https://controlstrainer.com/inside-the-machine-preview/12-why-an-open-contact-can-read-voltage-9dd0d4fffa96.mp4 27 2026-10-25T12:00:00-04:00 yes https://controlstrainer.com/find-the-fault/2026-10-31 https://controlstrainer.com/find-the-fault/media/01-79bad5251bd7.jpg The contactor clicks. Why is the motor stopped? See the contactor fault, shutdown, supply isolation and realistic lockout/tagout before the motor-terminal inspection. https://controlstrainer.com/find-the-fault/media/01-79bad5251bd7.mp4 39 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/02-510673256446.jpg Why does the motor stop when you release Start? Follow the Start circuit and see how a failed auxiliary holding contact interrupts coil current. https://controlstrainer.com/find-the-fault/media/02-510673256446.mp4 50 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/03-916f359e0e78.jpg How a tripped overload stops the motor Follow the overload contact, contactor coil and motor through a protective trip. https://controlstrainer.com/find-the-fault/media/03-916f359e0e78.mp4 47 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/04-f13993cf9a70.jpg A loose terminal can cause a voltage drop See why a high-resistance connection behaves differently when the circuit is under load. https://controlstrainer.com/find-the-fault/media/04-f13993cf9a70.mp4 45 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/05-4810f8f61f11.jpg The sensor has power. Why is the input off? Inspect the target, sensing face and mounting distance before blaming the wiring or PLC input. https://controlstrainer.com/find-the-fault/media/05-4810f8f61f11.mp4 47 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/06-36833f34e5aa.jpg The PLC command is on, but field power is missing Trace the separately supplied controller and the open fuse in the output's field supply. https://controlstrainer.com/find-the-fault/media/06-36833f34e5aa.mp4 50 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/07-3a2e1ab53881.jpg Why does 4 mA show as 20%? Compare the transmitter signal, analog input configuration and HMI scaling. https://controlstrainer.com/find-the-fault/media/07-3a2e1ab53881.mp4 50 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/08-3bba12c39ed1.jpg A sensor pulse can happen between program samples Follow a short input pulse and the program's sampled state in a slowed timing illustration. https://controlstrainer.com/find-the-fault/media/08-3bba12c39ed1.mp4 46 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/09-67b9c67b6b8c.jpg Start requested. Why is the valve still off? Follow a filling station's level condition, missing conveyor-ready signal and inhibited output. https://controlstrainer.com/find-the-fault/media/09-67b9c67b6b8c.mp4 49 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/10-78b387f791b1.jpg The relay coil is off. Why is the light still on? Trace a welded normally open contact and see why a coil command does not isolate the load. https://controlstrainer.com/find-the-fault/media/10-78b387f791b1.mp4 51 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/11-64d663b6f212.jpg Why can a short acceleration ramp trip a drive? Follow a VFD, external motor and guarded flywheel through acceleration and an overcurrent trip. https://controlstrainer.com/find-the-fault/media/11-64d663b6f212.mp4 47 2026-10-30T07:00:00-04:00 yes https://controlstrainer.com/find-the-fault/media/12-9b7db80ea93a.jpg The cylinder moves, but the sequence will not continue Inspect a mechanical obstruction, cylinder end sensor, valve command and stored-energy controls. https://controlstrainer.com/find-the-fault/media/12-9b7db80ea93a.mp4 50 2026-10-30T07:00:00-04:00 yes