{"product_id":"kl1382-beckhoff-2-channel-ptc-thermistor-monitoring-bus-terminal","title":"KL1382 BECKHOFF Bornier de bus de surveillance thermistance PTC 2 canaux","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL1382 (KL1382)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized 2-channel digital input terminal designed for comprehensive thermal machine protection via\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePTC thermistors\u003c\/strong\u003e. Unlike standard digital inputs, the KL1382 is engineered to monitor the resistance of thermistors embedded in motor windings, bearings, or transformer coils. It identifies critical \"Excess Temperature\" states when the resistance crosses predefined thresholds, providing a reliable hardware-based defense against thermal overload. With its multi-industry certifications including\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eATEX, IECEx, and DNV GL\u003c\/strong\u003e, the KL1382 is a critical component for B2B applications in hazardous industrial environments, maritime engineering, and heavy-duty motor protection systems.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Diagnostic Logic\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL1382\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2-wire connection technology\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto interface directly with PTC sensors. It operates by applying a low sensing voltage (\u003cstrong\u003e≤ 5 V\u003c\/strong\u003e) and measuring the resulting resistance. The module features integrated logic to distinguish between four distinct states per channel, which are mapped directly into the 4-bit process image:\u003c\/p\u003e\n\u003col class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNormal Operation (\"0\"):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eResistance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e≤ 1.5 kΩ\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExcess Temperature (\"1\"):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eResistance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e≥ 3 kΩ\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShort-Circuit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetected when resistance drops below\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e25 Ω\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOpen-Circuit (Wire Break):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetected when resistance exceeds\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 kΩ\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e30 ms input filter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures that transient resistance fluctuations or electrical noise do not trigger nuisance thermal trips. The terminal provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e500 V galvanic isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebetween the K-bus logic and the field potential, ensuring that high-voltage motor faults do not propagate to the central PLC.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eKL1382\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBECKHOFF\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePTC Thermistor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e\"Excess Temp\" Threshold\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥ 3 kΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e\"Release\" Threshold\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤ 1.5 kΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShort-Circuit Detection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 25 Ω\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWire-Break Detection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026gt; 8 kΩ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensing Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≤ 5 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Filter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption (K-bus)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTypically 60 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 to +60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEx Markings\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eII 3 G Ex ec IIC T4 Gc (ATEX \/ IECEx)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the KL1382 require software configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL1382\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for \"Plug and Play\" operation. It requires no address or parameter settings; the resistance thresholds are factory-set to comply with standard PTC characteristic curves used in motor protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect multiple thermistors to a single channel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, typically up to 3 or 6 PTC thermistors can be connected in series to a single channel of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL1382\u003c\/strong\u003e, provided the total cold resistance does not exceed the 1.5 kΩ \"0\" signal threshold.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the \"Ex ec\" marking?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEx ec (Increased Safety)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emarking indicates that the terminal is suitable for installation in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eZone 2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehazardous areas. It is designed to prevent sparks or excessive temperatures during normal operation, making it ideal for the chemical and oil and gas industries.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse shielded cables for PTC connections, especially if the sensor leads run parallel to high-power motor supply cables. Ground the shield at the cabinet entry point to prevent inductive noise from causing false \"Excess Temp\" readings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Mapping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure your PLC program monitors the specific bits for short-circuit and open-circuit. Distinguishing between a \"Real\" overheat (3 kΩ) and a \"Wire Break\" (\u0026gt; 8 kΩ) is essential for rapid troubleshooting and preventing unnecessary motor downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMarine \u0026amp; Offshore Use:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDue to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDNV GL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapproval, this terminal is certified for use in maritime environments. Ensure it is mounted in an enclosure that meets the specific environmental requirements of the vessel’s classification society.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL1382\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a superior safety layer compared to software-based thermal models. By measuring the physical temperature-dependent resistance of the motor directly, it accounts for cooling failures (e.g., blocked fans) that a software model might miss. Its ultra-compact\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewidth allows for high-density motor protection blocks in the control cabinet. With\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eATEX\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIECEx\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecompliance, it offers a globally recognized safety standard, ensuring that machines equipped with the KL1382 can be exported and operated in regulated hazardous zones worldwide.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106700190059,"sku":"KL1382","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/kl1382-fz0lifjeona.png?v=1776245123","url":"https:\/\/www.plcprotech.com\/fr\/products\/kl1382-beckhoff-2-channel-ptc-thermistor-monitoring-bus-terminal","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}