Blog

26-10-01

Tower Light Troubleshooting: Wrong Color, No Light or No Buzzer

Troubleshoot a stack light that is dark, shows the wrong tier or has no buzzer by checking the machine command, output, supply, model wiring and module.
26-10-01

Tower Light Placement for Visibility Around Industrial Machines

Plan signal tower light placement from operator sightlines, machine layout, obstructions, mounting position and real commissioning checks.
26-10-01

120V AC Indicator Lights: Voltage, Heat and Wiring Checks

Choose a 120V AC panel indicator by checking its exact AC/DC version, permitted voltage, current, terminals, panel cutout and operating temperature.
26-09-30

Modular Tower Lights: Choosing the Number of Signal Tiers

Choose modular tower-light tiers from defined machine states, simultaneous conditions, control outputs and operator visibility—not color count alone.
26-09-30

LED Tower Light Wiring: Common Positive vs Common Negative

Learn how sourcing, sinking and tower-light common leads differ. Check the exact HBJD model diagram and PLC output before wiring or commissioning.
26-09-30

How to Troubleshoot an Industrial Buzzer That Does Not Sound

Trace a silent industrial buzzer from the alarm command to its output, supply, common, terminals and sounder using model-specific documentation and safe checks.
26-09-29

Push Button Switch Debouncing for PLC and Microcontroller Inputs

Learn how push-button contact bounce creates false PLC or MCU events, compare software and hardware filters, and validate response safely.
26-09-29

Industrial Buzzer Wiring for Continuous and Intermittent Alarms

Plan industrial buzzer wiring by confirming the model supply, terminals, PLC output type, load limits, sound pattern and commissioning checks.
26-09-29

Electromechanical Relay Wiring Diagram: Coil, COM, NO and NC

Read a relay wiring diagram by separating coil and contact circuits, identifying COM/NO/NC states, and verifying the exact model before wiring.
26-09-28

Capacitive Touch Switch With Gloves: How to Validate

Learn how glove type, sensor design, panel construction, and user variation affect capacitive touch, with a practical production test plan.
26-09-28

Capacitive Switch False Triggering: Causes and Checks

Troubleshoot capacitive switch false triggering from noise, grounding, moisture, assembly, or interface issues with a safe, repeatable process.
26-09-28

Capacitive Touch Switch Through Glass and Plastic

See how a capacitive touch switch through glass or plastic depends on material, thickness, gap, electrode size, and grounding—and what to test before specifying it.

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