{"product_id":"siemens-simatic-s7-1200-g2-sm-1231-analog-input-8ai-14-bit-adc","title":"Siemens Simatic S7-1200 G2 SM 1231 Analog input, 8AI, 14 bit ADC","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens SIMATIC S7-1200 G2 SM 1231 analog input module (6ES7231-4HF50-0XB0) provides 8 high-precision analog input channels with 14-bit resolution for accurate signal measurement. It supports both voltage (±10 V, ±5 V, ±2.5 V) and current (0–20 mA \/ 4–20 mA) inputs, allowing flexible integration into various industrial automation systems. Designed for compact installations, it ensures reliable analog data acquisition within the SIMATIC S7-1200 platform.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e 8 differential channels for high-accuracy signal acquisition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Ranges:\u003c\/strong\u003e ±10 V, ±5 V, ±2.5 V, 0–20 mA, 4–20 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 14-bit ADC for precise measurement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Time:\u003c\/strong\u003e Up to 1.25 ms for all channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Wire-break and fault detection for enhanced reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Slim housing ideal for DIN-rail control panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegration:\u003c\/strong\u003e Seamlessly integrates with SIMATIC S7-1200 CPUs and TIA Portal software\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN-rail mounting for quick installation and space efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e SIMATIC S7-1200 G2 – SM 1231 Analog Input Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Inputs:\u003c\/strong\u003e 8 differential analog channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Type:\u003c\/strong\u003e Voltage or current (selectable per channel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Ranges:\u003c\/strong\u003e ±10 V, ±5 V, ±2.5 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Ranges:\u003c\/strong\u003e 0–20 mA, 4–20 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 14-bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 24 V DC (20.4 – 28.8 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e 45 mA typical at 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Current:\u003c\/strong\u003e Approx. 75 mA at 5 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loss:\u003c\/strong\u003e Approx. 2.5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e ≥ 1 MΩ (voltage) \/ 250 Ω (current)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCycle Time (all channels):\u003c\/strong\u003e 1.25 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDestruction Limit Voltage:\u003c\/strong\u003e Up to 35 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length (shielded):\u003c\/strong\u003e Up to 100 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Class:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e –20 °C to +60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e –40 °C to +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 30 mm × 125 mm × 100 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 0.18 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE Marking:\u003c\/strong\u003e Complies with EU Machinery and Low Voltage Directives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL \/ cULus Certification:\u003c\/strong\u003e Approved for industrial control applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Free from restricted hazardous substances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWEEE Directive:\u003c\/strong\u003e Take-back obligations apply in applicable regions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExport Control:\u003c\/strong\u003e ECCN EAR99 \/ AL N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Classification:\u003c\/strong\u003e Industrial automation analog input module (Class A)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIdeal for accurate analog signal acquisition in automation and process control systems. Commonly used in machinery, manufacturing, building automation, and instrumentation for integrating sensors, transducers, and control feedback signals into SIMATIC S7-1200 PLC environments.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775103643712,"sku":"6ES7231-4HF50-0XB0","price":8673.64,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/6ES7231-4HF50-0XB0.jpg?v=1761124341","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-simatic-s7-1200-g2-sm-1231-analog-input-8ai-14-bit-adc","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}