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J&V Automation Technical Knowledge Pages

104 technical Q&A pages for sensor selection, wiring, troubleshooting and automation basics.

Short answer: J&V Automation Technical Knowledge Pages is the public index for J&V Automation GEO answer pages. It links to crawlable pages with direct answers, FAQs and quotation paths.
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J&V Automation Technical Knowledge Pages is the public index for J&V Automation GEO answer pages. It links to crawlable pages with direct answers, FAQs and quotation paths.

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URLQuestion Answered
/knowledge/pnp-vs-npn-sensorWhat is the difference between PNP and NPN?
/knowledge/how-to-troubleshoot-pnp-vs-npn-sensorHow to troubleshoot pnp vs npn sensor?
/knowledge/pnp-vs-npn-sensor-wiring-guidePNP vs NPN Sensor wiring and installation guide
/knowledge/pnp-vs-npn-sensor-selection-checklistPNP vs NPN Sensor selection checklist
/knowledge/how-to-select-m18-proximity-sensorHow to choose an M18 proximity sensor?
/knowledge/how-to-troubleshoot-m18-proximity-sensorHow to troubleshoot m18 proximity sensor selection?
/knowledge/m18-proximity-sensor-wiring-guideM18 Proximity Sensor Selection wiring and installation guide
/knowledge/m18-proximity-sensor-selection-checklistM18 Proximity Sensor Selection selection checklist
/knowledge/inductive-vs-capacitive-sensorWhat is the difference between inductive and capacitive sensors?
/knowledge/how-to-troubleshoot-inductive-vs-capacitive-sensorHow to troubleshoot inductive vs capacitive sensor?
/knowledge/inductive-vs-capacitive-sensor-wiring-guideInductive vs Capacitive Sensor wiring and installation guide
/knowledge/inductive-vs-capacitive-sensor-selection-checklistInductive vs Capacitive Sensor selection checklist
/knowledge/how-photoelectric-sensors-workHow do photoelectric sensors work?
/knowledge/how-to-troubleshoot-how-photoelectric-sensors-workHow to troubleshoot how photoelectric sensors work?
/knowledge/how-photoelectric-sensors-work-wiring-guideHow Photoelectric Sensors Work wiring and installation guide
/knowledge/how-photoelectric-sensors-work-selection-checklistHow Photoelectric Sensors Work selection checklist
/knowledge/m12-proximity-sensorHow do I select an M12 proximity sensor?
/knowledge/how-to-troubleshoot-m12-proximity-sensorHow to troubleshoot m12 proximity sensor?
/knowledge/m12-proximity-sensor-wiring-guideM12 Proximity Sensor wiring and installation guide
/knowledge/m12-proximity-sensor-selection-checklistM12 Proximity Sensor selection checklist
/knowledge/m8-proximity-sensorWhen should I use an M8 proximity sensor?
/knowledge/how-to-troubleshoot-m8-proximity-sensorHow to troubleshoot m8 proximity sensor?
/knowledge/m8-proximity-sensor-wiring-guideM8 Proximity Sensor wiring and installation guide
/knowledge/m8-proximity-sensor-selection-checklistM8 Proximity Sensor selection checklist
/knowledge/m30-proximity-sensorWhen should I use an M30 proximity sensor?
/knowledge/how-to-troubleshoot-m30-proximity-sensorHow to troubleshoot m30 proximity sensor?
/knowledge/m30-proximity-sensor-wiring-guideM30 Proximity Sensor wiring and installation guide
/knowledge/m30-proximity-sensor-selection-checklistM30 Proximity Sensor selection checklist
/knowledge/flush-vs-non-flush-sensorWhat is flush vs non-flush sensor mounting?
/knowledge/how-to-troubleshoot-flush-vs-non-flush-sensorHow to troubleshoot flush vs non-flush sensor?
/knowledge/flush-vs-non-flush-sensor-wiring-guideFlush vs Non-Flush Sensor wiring and installation guide
/knowledge/flush-vs-non-flush-sensor-selection-checklistFlush vs Non-Flush Sensor selection checklist
/knowledge/no-vs-nc-sensorWhat is NO vs NC on a sensor?
/knowledge/how-to-troubleshoot-no-vs-nc-sensorHow to troubleshoot no vs nc sensor?
/knowledge/no-vs-nc-sensor-wiring-guideNO vs NC Sensor wiring and installation guide
/knowledge/no-vs-nc-sensor-selection-checklistNO vs NC Sensor selection checklist
/knowledge/two-wire-vs-three-wire-sensorWhat is the difference between two-wire and three-wire sensors?
/knowledge/how-to-troubleshoot-two-wire-vs-three-wire-sensorHow to troubleshoot two-wire vs three-wire sensor?
/knowledge/two-wire-vs-three-wire-sensor-wiring-guideTwo-Wire vs Three-Wire Sensor wiring and installation guide
/knowledge/two-wire-vs-three-wire-sensor-selection-checklistTwo-Wire vs Three-Wire Sensor selection checklist
/knowledge/shielded-vs-unshielded-inductive-sensorWhat is shielded vs unshielded inductive sensor?
/knowledge/how-to-troubleshoot-shielded-vs-unshielded-inductive-sensorHow to troubleshoot shielded vs unshielded inductive sensor?
/knowledge/shielded-vs-unshielded-inductive-sensor-wiring-guideShielded vs Unshielded Inductive Sensor wiring and installation guide
/knowledge/shielded-vs-unshielded-inductive-sensor-selection-checklistShielded vs Unshielded Inductive Sensor selection checklist
/knowledge/sensing-distanceHow much sensing distance do I need?
/knowledge/how-to-troubleshoot-sensing-distanceHow to troubleshoot sensor sensing distance?
/knowledge/sensing-distance-wiring-guideSensor Sensing Distance wiring and installation guide
/knowledge/sensing-distance-selection-checklistSensor Sensing Distance selection checklist
/knowledge/switching-frequencyWhat is sensor switching frequency?
/knowledge/how-to-troubleshoot-switching-frequencyHow to troubleshoot sensor switching frequency?
/knowledge/switching-frequency-wiring-guideSensor Switching Frequency wiring and installation guide
/knowledge/switching-frequency-selection-checklistSensor Switching Frequency selection checklist
/knowledge/ip67-vs-ip68-sensorWhat is IP67 vs IP68 for sensors?
/knowledge/how-to-troubleshoot-ip67-vs-ip68-sensorHow to troubleshoot ip67 vs ip68 sensor?
/knowledge/ip67-vs-ip68-sensor-wiring-guideIP67 vs IP68 Sensor wiring and installation guide
/knowledge/ip67-vs-ip68-sensor-selection-checklistIP67 vs IP68 Sensor selection checklist
/knowledge/diffuse-vs-retro-photoelectricDiffuse or retro-reflective photoelectric sensor?
/knowledge/how-to-troubleshoot-diffuse-vs-retro-photoelectricHow to troubleshoot diffuse vs retro-reflective photoelectric sensor?
/knowledge/diffuse-vs-retro-photoelectric-wiring-guideDiffuse vs Retro-Reflective Photoelectric Sensor wiring and installation guide
/knowledge/diffuse-vs-retro-photoelectric-selection-checklistDiffuse vs Retro-Reflective Photoelectric Sensor selection checklist
/knowledge/through-beam-alignmentHow do I align a through-beam sensor?
/knowledge/how-to-troubleshoot-through-beam-alignmentHow to troubleshoot through-beam sensor alignment?
/knowledge/through-beam-alignment-wiring-guideThrough-Beam Sensor Alignment wiring and installation guide
/knowledge/through-beam-alignment-selection-checklistThrough-Beam Sensor Alignment selection checklist
/knowledge/beam-positioning-feedthroughWhat should be checked for beam positioning feedthrough?
/knowledge/how-to-troubleshoot-beam-positioning-feedthroughHow to troubleshoot beam positioning feedthrough?
/knowledge/beam-positioning-feedthrough-wiring-guideBeam Positioning Feedthrough wiring and installation guide
/knowledge/beam-positioning-feedthrough-selection-checklistBeam Positioning Feedthrough selection checklist
/knowledge/background-suppressionWhen should I use background suppression?
/knowledge/how-to-troubleshoot-background-suppressionHow to troubleshoot background suppression sensor?
/knowledge/background-suppression-wiring-guideBackground Suppression Sensor wiring and installation guide
/knowledge/background-suppression-selection-checklistBackground Suppression Sensor selection checklist
/knowledge/capacitive-liquid-detectionCan a capacitive sensor detect liquid?
/knowledge/how-to-troubleshoot-capacitive-liquid-detectionHow to troubleshoot capacitive liquid detection?
/knowledge/capacitive-liquid-detection-wiring-guideCapacitive Liquid Detection wiring and installation guide
/knowledge/capacitive-liquid-detection-selection-checklistCapacitive Liquid Detection selection checklist
/knowledge/magnetic-cylinder-switchHow does a magnetic cylinder switch work?
/knowledge/how-to-troubleshoot-magnetic-cylinder-switchHow to troubleshoot magnetic cylinder switch?
/knowledge/magnetic-cylinder-switch-wiring-guideMagnetic Cylinder Switch wiring and installation guide
/knowledge/magnetic-cylinder-switch-selection-checklistMagnetic Cylinder Switch selection checklist
/knowledge/power-supply-sizingHow do I size a switching power supply?
/knowledge/how-to-troubleshoot-power-supply-sizingHow to troubleshoot power supply sizing?
/knowledge/power-supply-sizing-wiring-guidePower Supply Sizing wiring and installation guide
/knowledge/power-supply-sizing-selection-checklistPower Supply Sizing selection checklist
/knowledge/24v-dc-power-supplyWhy is 24V DC common in automation?
/knowledge/how-to-troubleshoot-24v-dc-power-supplyHow to troubleshoot 24v dc power supply?
/knowledge/24v-dc-power-supply-wiring-guide24V DC Power Supply wiring and installation guide
/knowledge/24v-dc-power-supply-selection-checklist24V DC Power Supply selection checklist
/knowledge/din-rail-power-supplyWhen should I use a DIN rail power supply?
/knowledge/how-to-troubleshoot-din-rail-power-supplyHow to troubleshoot din rail power supply?
/knowledge/din-rail-power-supply-wiring-guideDIN Rail Power Supply wiring and installation guide
/knowledge/din-rail-power-supply-selection-checklistDIN Rail Power Supply selection checklist
/knowledge/pneumatic-cylinder-sizingHow do I size a pneumatic cylinder?
/knowledge/how-to-troubleshoot-pneumatic-cylinder-sizingHow to troubleshoot pneumatic cylinder sizing?
/knowledge/pneumatic-cylinder-sizing-wiring-guidePneumatic Cylinder Sizing wiring and installation guide
/knowledge/pneumatic-cylinder-sizing-selection-checklistPneumatic Cylinder Sizing selection checklist
/knowledge/solenoid-valve-selectionHow do I choose a pneumatic solenoid valve?
/knowledge/how-to-troubleshoot-solenoid-valve-selectionHow to troubleshoot solenoid valve selection?
/knowledge/solenoid-valve-selection-wiring-guideSolenoid Valve Selection wiring and installation guide
/knowledge/solenoid-valve-selection-selection-checklistSolenoid Valve Selection selection checklist
/knowledge/push-in-fitting-selectionHow do I choose pneumatic push-in fittings?
/knowledge/how-to-troubleshoot-push-in-fitting-selectionHow to troubleshoot push-in fitting selection?
/knowledge/push-in-fitting-selection-wiring-guidePush-In Fitting Selection wiring and installation guide
/knowledge/push-in-fitting-selection-selection-checklistPush-In Fitting Selection selection checklist

Reviewed by J&V Automation

Technical reviewJ&V Automation technical sales team
Last reviewed2026-07-21
What we checkModel code, label photo, wiring, sensing distance, mounting, voltage, output and application environment
Contactinfo@jv-automation.com / WhatsApp +86 15757759002
Page typehub answer page

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