{"product_id":"e38s-rope-pull-encoder-5-24v-npn-600-1000ppr-distance-sensor","title":"E38S Rope Pull Encoder 5-24V NPN 600\/1000PPR Distance Sensor","description":"\u003ch2\u003eE38S Rope Pull Encoder – Precision Distance Measurement\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eE38S Rope Pull Encoder\u003c\/strong\u003e by CNMAWAY is a high-performance incremental position sensor designed for accurate linear distance measurement in industrial and automation applications. Available with measuring rope lengths of \u003cstrong\u003e1M, 1.5M, and 2M\u003c\/strong\u003e, this encoder outputs clean NPN pulse signals at \u003cstrong\u003e600 PPR or 1000 PPR\u003c\/strong\u003e, making it ideal for CNCs, automated machinery, hydraulic cylinders, conveyor systems, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage:\u003c\/strong\u003e 5–24V DC supply for universal compatibility with PLCs and control systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Resolution Options:\u003c\/strong\u003e Choose 600 PPR or 1000 PPR for the accuracy your application demands\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNPN Open-Collector Output:\u003c\/strong\u003e Compatible with most standard industrial controllers and counters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Alloy Construction:\u003c\/strong\u003e Robust housing withstands demanding workshop and factory environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Rope Lengths:\u003c\/strong\u003e 1M, 1.5M, and 2M variants available to suit different measurement ranges\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Current Draw:\u003c\/strong\u003e Operates at just 300 mA for energy-efficient continuous operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets applicable safety and electromagnetic compatibility standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-Year Warranty\u003c\/strong\u003e for added peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eE38S Rope Encoder\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasuring Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1M \/ 1.5M \/ 2M (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNPN Open-Collector\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e600 PPR \/ 1000 PPR\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlloy\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Is a Rope Pull Encoder?\u003c\/h3\u003e\n\u003cp\u003eA rope pull encoder (also called a draw-wire or string pot encoder) converts linear movement into rotational pulses. As the rope extends or retracts, the internal spool rotates, generating precise incremental signals. This makes it an excellent choice for measuring stroke, position, or displacement in tight spaces where traditional linear sensors can't fit.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCNC machine tool positioning\u003c\/li\u003e\n  \u003cli\u003eHydraulic and pneumatic cylinder stroke measurement\u003c\/li\u003e\n  \u003cli\u003eConveyor belt and elevator position tracking\u003c\/li\u003e\n  \u003cli\u003e3D printer and robotic arm feedback\u003c\/li\u003e\n  \u003cli\u003eIndustrial automation and process control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between 600 PPR and 1000 PPR on this rope encoder?\u003c\/h4\u003e\n\u003cp\u003eA: PPR stands for Pulses Per Revolution. A 1000 PPR encoder generates more pulses per rotation than a 600 PPR model, resulting in finer positional resolution. Choose 1000 PPR for high-precision applications requiring detailed position feedback, and 600 PPR for general-purpose distance measurement where slightly lower resolution is acceptable.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the E38S rope encoder compatible with a PLC?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The E38S outputs an NPN open-collector signal, which is widely compatible with most industrial PLCs, counters, motion controllers, and CNC systems. Simply connect it to a 5–24V DC supply and wire the NPN signal lines to your controller's input terminals.\u003c\/p\u003e\n\u003ch4\u003eQ: What rope length should I choose – 1M, 1.5M, or 2M?\u003c\/h4\u003e\n\u003cp\u003eA: Choose the rope length that matches or slightly exceeds the maximum linear travel distance of your application. For example, if your cylinder or axis moves up to 900mm, a 1M rope encoder will be sufficient. For longer strokes up to 1.8M, select the 2M variant for comfortable operating range.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the encoder housing made from?\u003c\/h4\u003e\n\u003cp\u003eA: The E38S encoder housing is made from alloy, providing excellent rigidity, durability, and resistance to vibration and mechanical stress in industrial environments.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between 600 PPR and 1000 PPR on this rope encoder?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PPR stands for Pulses Per Revolution. A 1000 PPR encoder generates more pulses per rotation than a 600 PPR model, resulting in finer positional resolution. 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