{"product_id":"siemens-6es7531-7nf00-0ab0-ai-8xu-i-hf-module","title":"Siemens 6ES7531-7NF00-0AB0 SIMATIC S7-1500 AI 8xU\/I HF 24-Bit Analog Input Module","description":"\u003cp\u003eThe Siemens 6ES7531-7NF00-0AB0 SIMATIC S7-1500 AI 8xU\/I HF module reads 8 analog channels configurable for voltage or current, at up to 24-bit resolution with plus\/minus 0.1% operational accuracy. It supports measuring-range adjustment and calibration in RUN, draws 55 mA at 19.2 V supply, and dissipates 1.9 W typical, with 16 byte input address space.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6ES7531-7NF00-0AB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S7-1500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAI 8xU\/I HF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHW Functional Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efrom FS01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFirmware Version\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eV1.1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC (19.2-28.8 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption, max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 mA (at 19.2 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Loss, typ.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.9 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8, voltage and current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-5 V, -2.5 to +2.5 V, -5 to +5 V, -10 to +10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, -20 to +20 mA, 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution, max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 bit (REAL format), 16 bit (S7 INTEGER)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBasic Error Limit (25 C)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational Error Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon Mode Voltage, max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 V DC \/ 30 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Test Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 000 V DC (channels, backplane, supply L+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length, shielded, max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 x 147 x 129 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e280 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront connector (screw-in or push-in) ordered separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe AI 8xU\/I HF combines voltage and current inputs on the same 8 channels and reaches up to 24-bit resolution in Fast mode when the project uses scaled REAL format, dropping to 16-bit INTEGER in S7 format — decide the data format before relying on the extra resolution. Its 60 V DC \/ 30 V AC common-mode voltage rating and 2 000 V DC isolation test between channels, backplane bus, and supply voltage L+ exceed a standard-accuracy analog module, which is the reason to specify the HF variant on installations with mixed ground potentials or tighter channel-to-channel isolation needs. Front connectors, screw-in or push-in, are not included and must be ordered separately.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eFits S7-1500 process I\/O needing mixed voltage and current instrumentation on one module: 4-20 mA transmitters, plus\/minus 10 V position feedback, and installations where channel isolation matters more than on a standard-accuracy analog module.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960652914971,"sku":"6ES7531-7NF00-0AB0","price":1129.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7531-7nf00-0ab0-ai-8xui-hf-analog-input-module.png?v=1789664110","url":"https:\/\/stoklink.com\/products\/siemens-6es7531-7nf00-0ab0-ai-8xu-i-hf-module","provider":"Stoklink","version":"1.0","type":"link"}