{"product_id":"siemens-6es7331-7pf01-0ab0-sm-331-analog-rtd-and-resistance-input-module-for-simatic-s7-300","title":"Siemens 6ES7331-7PF01-0AB0 SM 331 Analog RTD and Resistance Input Module for SIMATIC S7-300","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"19\" data-end=\"426\"\u003eThe Siemens 6ES7331-7PF01-0AB0 is an SM 331 analog input module designed for SIMATIC S7-300 automation systems. It provides eight analog inputs for RTD and resistance-based sensors, enabling precise temperature and resistance measurement in industrial control applications. The module features high-resolution signal conversion and optical isolation to ensure accurate and reliable process data acquisition.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.906%; height: 490.017px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e6ES7331-7PF01-0AB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003eVDC Logic I\/O Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003eSIMATIC S7-300 SM 331\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003eAnalog RTD\/Resistance Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003eAnalog RTD \/ Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2014px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 39.2014px;\"\u003e\u003cstrong\u003eSupported RTD Sensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 39.2014px;\"\u003ePt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, LG-Ni1000, Cu10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2014px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 39.2014px;\"\u003e\u003cstrong\u003eResistance Input Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 39.2014px;\"\u003e0–150 Ω, 0–300 Ω, 0–600 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eInternal Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e24-bit Sigma-Delta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eConversion Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eIsolation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003eOptically Isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e40-Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2014px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 39.2014px;\"\u003e\u003cstrong\u003eCompatible Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 39.2014px;\"\u003eSiemens SIMATIC S7-300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2014px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 39.2014px;\"\u003e\u003cstrong\u003eMaximum Cable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 39.2014px;\"\u003e200 m (shielded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e125 × 40 × 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 27.5625%; height: 19.6007px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 69.9635%; height: 19.6007px;\"\u003e0.27 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 6ES7331-7PF01-0AB0\u003c\/h4\u003e\n\u003cp data-start=\"458\" data-end=\"1112\"\u003eThe 6ES7331-7PF01-0AB0 is part of the Siemens SIMATIC S7-300 SM 331 analog I\/O family, developed for advanced process measurement and monitoring tasks. It supports a wide range of RTD sensor types and resistance measurement ranges, allowing integration into diverse industrial automation systems. The module utilizes high-resolution sigma-delta conversion technology to deliver accurate analog signal processing while maintaining immunity to electrical noise through optical isolation. It is commonly used in manufacturing, process control, utilities, and industrial monitoring systems where dependable temperature and resistance measurement is required.\u003c\/p\u003e\n\u003ch3 data-start=\"1067\" data-end=\"1088\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1139\" data-end=\"2027\"\u003e\n\u003cli data-start=\"1139\" data-end=\"1250\"\u003eEight Analog Input Channels: Supports simultaneous monitoring of up to eight RTD or resistance input signals.\u003c\/li\u003e\n\u003cli data-start=\"1251\" data-end=\"1365\"\u003eBroad RTD Compatibility: Accepts Pt, Ni, Cu, and GOST-standard temperature sensors for flexible application use.\u003c\/li\u003e\n\u003cli data-start=\"1366\" data-end=\"1476\"\u003eResistance Measurement Capability: Supports direct resistance measurement across multiple resistance ranges.\u003c\/li\u003e\n\u003cli data-start=\"1477\" data-end=\"1582\"\u003eHigh-Resolution Conversion: Utilizes 16-bit output resolution with 24-bit internal processing accuracy.\u003c\/li\u003e\n\u003cli data-start=\"1583\" data-end=\"1695\"\u003eOptical Isolation Design: Enhances signal integrity and protects control systems from electrical interference.\u003c\/li\u003e\n\u003cli data-start=\"1696\" data-end=\"1804\"\u003eSIMATIC S7-300 Integration: Designed for seamless installation within Siemens S7-300 automation platforms.\u003c\/li\u003e\n\u003cli data-start=\"1805\" data-end=\"1920\"\u003eIndustrial Signal Processing: Provides stable and precise analog acquisition for process monitoring applications.\u003c\/li\u003e\n\u003cli data-start=\"1921\" data-end=\"2027\"\u003eModular Control Architecture: Supports scalable automation system expansion within SIMATIC environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2029\" data-end=\"2197\"\u003eThe 6ES7331-7PF01-0AB0 delivers the reliability and precision required for high-accuracy temperature and resistance signal acquisition in industrial automation systems.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47660391694634,"sku":"6ES7331-7PF01-0AB0","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/6ES7331-7PF01-0AB0_c7f09415-f64c-4084-8cdb-7515fc01f7c0.webp?v=1722330074","url":"https:\/\/iqelectro.com\/products\/siemens-6es7331-7pf01-0ab0-sm-331-analog-rtd-and-resistance-input-module-for-simatic-s7-300","provider":"IQElectro","version":"1.0","type":"link"}