{"product_id":"6es7431-7qh00-0ab0-simatic-s7-400-analog-input","title":"6ES7431-7QH00-0AB0 SIMATIC S7-400 Analog Input","description":"\u003ch2\u003e\u003cstrong\u003e6ES7431-7QH00-0AB0 – Siemens SIMATIC S7-400 Analog Input Module SM 431\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cspan style=\"color: #007bff;\"\u003eSiemens\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e6ES7431-7QH00-0AB0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e SIMATIC S7-400 Analog Input Module SM 431\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of analog inputs:\u003c\/strong\u003e 16 (8 for resistance measurement)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e \u003cspan style=\"color: #007bff;\"\u003e16-bit including sign\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic conversion time:\u003c\/strong\u003e 6 \/ 20.1 \/ 23.5 ms (parameterizable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegration time:\u003c\/strong\u003e 2.5 \/ 16.7 \/ 20 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterference voltage suppression:\u003c\/strong\u003e 400 \/ 60 \/ 50 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad voltage L+:\u003c\/strong\u003e 24 V DC rated, only needed for 2-wire transmitters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse polarity protection:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput current from L+:\u003c\/strong\u003e Max. 400 mA for 16 fully controlled 2-wire transmitters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput current from backplane bus:\u003c\/strong\u003e 5 V DC, max. 700 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower loss:\u003c\/strong\u003e Typ. 4.5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 25 mm x 290 mm x 210 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 500 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInput Ranges and Signal Types\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage ranges:\u003c\/strong\u003e ±25 mV, ±50 mV, ±80 mV, ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1–5 V, ±10 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage input resistance:\u003c\/strong\u003e 1 MΩ across all voltage ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent ranges:\u003c\/strong\u003e 0–20 mA, ±5 mA, ±10 mA, ±20 mA, 4–20 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent input resistance:\u003c\/strong\u003e 50 Ω across all current ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermocouple types:\u003c\/strong\u003e B, E, J, K, L, N, R, S, T, U with 1 MΩ input resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance thermometer:\u003c\/strong\u003e Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance ranges:\u003c\/strong\u003e 0–48 Ω, 0–150 Ω, 0–300 Ω, 0–600 Ω, 0–6000 Ω (usable to 5000 Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant measurement current:\u003c\/strong\u003e 1.67 mA typical for resistance transmitters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDestruction limit (voltage):\u003c\/strong\u003e 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDestruction limit (current):\u003c\/strong\u003e 40 mA maximum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy and Temperature Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature error:\u003c\/strong\u003e ±0.004 %\/K relative to input range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational error limit (voltage):\u003c\/strong\u003e ±0.3 % typical, \u003cspan style=\"color: #007bff;\"\u003e±0.35 % at ±25 mV\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational error limit (current):\u003c\/strong\u003e ±0.3 % across all current ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational error limit (resistance, 4-wire):\u003c\/strong\u003e ±0.3 %\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational error limit (resistance, 3-wire):\u003c\/strong\u003e ±0.4 %\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperational error limit (RTD):\u003c\/strong\u003e ±0.4 % relative to input range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermocouple accuracy (Type K):\u003c\/strong\u003e ±6.2 K operational, ±3.4 K at 25 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic error limit at 25 °C (voltage):\u003c\/strong\u003e ±0.15 % typical, ±0.23 % at ±25 mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic error limit at 25 °C (RTD):\u003c\/strong\u003e ±0.3 % relative to input range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What signal types does the 6ES7431-7QH00-0AB0 support?\u003c\/strong\u003e\u003cbr\u003eA: It supports voltage, current, resistance, thermocouple, and resistance thermometer signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many analog inputs does this module have?\u003c\/strong\u003e\u003cbr\u003eA: It offers 16 analog inputs, with 8 channels available for resistance measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the resolution of this module?\u003c\/strong\u003e\u003cbr\u003eA: The module delivers 16-bit resolution including sign.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Which thermocouple types can I connect?\u003c\/strong\u003e\u003cbr\u003eA: You can connect types B, E, J, K, L, N, R, S, T, and U.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does this module need external 24 V DC power?\u003c\/strong\u003e\u003cbr\u003eA: Yes, but only when you supply 2-wire transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum cable length?\u003c\/strong\u003e\u003cbr\u003eA: Shielded cables can reach 200 m, but thermocouple cables should stay under 50 m.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How does the module handle cold junction compensation?\u003c\/strong\u003e\u003cbr\u003eA: It supports parameterizable compensation with external Pt100 or a compensation socket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the typical power loss?\u003c\/strong\u003e\u003cbr\u003eA: The typical power loss is 4.5 W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the weight of this module?\u003c\/strong\u003e\u003cbr\u003eA: The module weighs approximately 500 g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the delivery time?\u003c\/strong\u003e\u003cbr\u003eA: We ship within 5 days using FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eContact Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eInquiries: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone\/WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePartner NexAuto Technology Limited: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47903717589153,"sku":"6ES7431-7QH00-0AB0","price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/6ES7431-7QH00-0AB0.jpg?v=1790060179","url":"https:\/\/www.autonexcontrol.com\/products\/6es7431-7qh00-0ab0-simatic-s7-400-analog-input","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}