{"product_id":"siemens-sm331-analog-input-module-6es7-331-7kf01-0ab0","title":"Siemens SM331 Analog Input Module -  6ES7 331-7KF01-0AB0","description":"\u003cdiv dir=\"ltr\" aria-live=\"polite\" aria-busy=\"false\" id=\"model-response-message-contentr_4efd22aed16eb114\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color md-content\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003cdiv data-ved=\"0CAAQhtANahcKEwjygYqL8-eVAxUAAAAAHQAAAAAQPg\" data-hveid=\"0\" class=\"code-block ng-tns-c3573016046-62 ng-animate-disabled ng-trigger ng-trigger-codeBlockRevealAnimation\"\u003e\n\u003c!----\u003e\n\u003cdiv class=\"formatted-code-block-internal-container ng-tns-c3573016046-62\"\u003e\n\u003cdiv class=\"animated-opacity ng-tns-c3573016046-62\"\u003e\n\u003c!----\u003e\n\u003cpre class=\"ng-tns-c3573016046-62\"\u003e\u003ccode class=\"code-container formatted ng-tns-c3573016046-62\" data-test-id=\"code-content\" role=\"text\"\u003e\u003cstrong\u003e- Brand: Siemens\u003c\/strong\u003e\n- Model: SIMATIC S7-300 SM331 Analog Input Module \n- Type: 8-Channel Analog Input Module \n- Part Number: 6ES7 331-7KF01-0AB0 \n- Technical Specs: \n- Core Application: Converts analog process signals into digital values for evaluation by the S7-300 CPU backplane bus.\n- Predecessor Note: Functional predecessor to the 6ES7 331-7KF02-0AB0 module; shares basic pinout and physical form factor, but differs in firmware generation and noise immunity filters.\u003cbr\u003e- Number of Analog Inputs: 8 Inputs \n- Input Signal Ranges (Configurable):\n  - Voltage: ±80 mV, ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 to 5 V, ±10 V\n  - Current: ±3.2 mA, ±10 mA, ±20 mA, 0\/4 to 20 mA \n  - Resistance: 150 Ω, 300 Ω, 600 Ω\n  - Thermocouple \/ RTD: Pt100, Ni100, Cu10, Thermocouples (Types E, J, K, L, N)\n- Measuring Principle: Integrating \/ Analog-to-Digital Conversion (ADC)\n- Resolution (per channel): 9 to 14 bits + sign \n- Conversion Time per Channel: 2.5 ms to 100 ms \n- Interference Voltage Suppression: 400 Hz, 60 Hz, 50 Hz, or 10 Hz\n- Range Measuring Cards (Measuring Range Modules): 4 removable physical coding cubes (A, B, C, D) mounted on the side of the PCB to select input types (Voltage, Current, RTD, TC)\n- Operational Limits \/ Precision: ±0.5% operational error limit (voltage\/current), ±0.6% (RTD\/TC) across full temperature range\n- Isolation: Galvanically isolated from backplane bus and load voltage (Tested at 500 V DC)\n- Permissible Input Voltage\/Current Max: 30 V DC continuous (Voltage inputs) \/ 40 mA continuous (Current inputs)\n- Front Connector Required: 1x 20-pin terminal connector block (6ES7392-1AJ00-0AA0, ordered separately)\n- Supply Voltage (L+): 24 V DC \n- Backplane Bus Current Consumption: Max. 60 mA \n- Power Loss: Typ. 1.0 W\n- Diagnostic \/ Status Indicators: Integrated Red \"SF\" (System Fault) LED + diagnostic reporting to CPU (wire break, parameter assignment error, limit overflow)\n- Compatible Systems: SIMATIC S7-300, ET 200M distributed I\/O stations\n- Structural Mounting Format: Direct screw attachment to standard SIMATIC S7-300 DIN mounting rails\n\u003cbr\u003eWeight: 320 g\n\u003cbr\u003eDimensions: 40 x 125 x 120 mm \n\u003cbr\u003eCountry of Origin: Germany\n\u003cbr\u003eHS Code: 8538.90.91\n\u003c\/code\u003e\u003c\/pre\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Used","offer_id":54392192368977,"sku":"AB-07-04-01-6152430190128","price":335.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0478\/1123\/1902\/files\/Siemens-SM331-Analog-Input-Module-6ES7-331-7KF02-0AB0-Analog-Input-Module-AD-01-06-02-6152422557540-Used-Industrial-Parts.jpg?v=1784819514","url":"https:\/\/usedindustrialparts.com\/products\/siemens-sm331-analog-input-module-6es7-331-7kf01-0ab0","provider":"Used Industrial Parts","version":"1.0","type":"link"}