{"product_id":"siemens-6ag1331-7nf00-2ab0-siplus-s7-300-analog-input-module","title":"Siemens 6AG1331-7NF00-2AB0 SIPLUS S7-300 Analog Input Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSiemens 6AG1331-7NF00-2AB0\u003c\/strong\u003e is a ruggedized SIPLUS S7-300 SM 331 analog input module built for extreme conditions. Based on the standard 6ES7331-7NF00-0AB0, it adds conformal coating and an extended temperature range of -25 to +70°C, making it ideal for railway, marine, and chemical applications. The \u003cstrong\u003e6AG1331-7NF00-2AB0\u003c\/strong\u003e provides eight isolated analog inputs for voltage and current signals with 16-bit resolution.\u003c\/p\u003e\u003ch2\u003eKey Upgrades Over Standard Model\u003c\/h2\u003e\u003cp\u003eReplacing the standard 6ES7331-7NF00-0AB0 with the Siemens 6AG1331-7NF00-2AB0 brings significant reliability improvements in harsh environments. Conformal coating protects against moisture, dust, and chemical attack. The module operates reliably from -25°C to +70°C, exceeding the standard range. It meets rigorous railway standards (EN 50155) and carries UL, CE, KC, and EAC approvals.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput ranges (voltage)\u003c\/td\u003e\n\u003ctd\u003e1-5V, -10 to +10V, -5 to +5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput ranges (current)\u003c\/td\u003e\n\u003ctd\u003e0-20mA, -20 to +20mA, 4-20mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower loss\u003c\/td\u003e\n\u003ctd\u003e0.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput current from backplane bus\u003c\/td\u003e\n\u003ctd\u003e5 V DC, max. 130 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperational error limit (voltage)\u003c\/td\u003e\n\u003ctd\u003e±0.1% @ 0V common mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperational error limit (current)\u003c\/td\u003e\n\u003ctd\u003e±0.3% @ 0V common mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 V DC tested\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connector\u003c\/td\u003e\n\u003ctd\u003e40-pin required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W×H×D)\u003c\/td\u003e\n\u003ctd\u003e40 mm × 125 mm × 117 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e272 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSiemens 6AG1331-7NF00-2AB0\u003c\/strong\u003e excels in demanding environments. Use it in:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRailway rolling stock\u003c\/strong\u003e – meets EN 50155 T1 temperature class and supports vibration resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffshore platforms\u003c\/strong\u003e – conformal coating and salt spray resistance (EN 60068-2-52 severity 3) ensure longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical processing plants\u003c\/strong\u003e – resistance to Class 3C4 chemically active substances (EN 60721-3-3) prevents corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eMount the Siemens 6AG1331-7NF00-2AB0 on a standard S7-300 DIN rail. You need a 40-pin front connector (not included). Wire analog signals using shielded cables up to 200 m. Connect voltage sources (1-5V, ±10V, ±5V) or current sources (0\/4-20mA, ±20mA) with appropriate input resistances (2 MΩ for voltage, 250 Ω for current). Configure integration time (10\/16.67\/20\/100 ms) and diagnostic parameters via STEP 7. Ensure unused interfaces remain covered with the supplied plug covers during operation.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eThe conformal coating on the Siemens 6AG1331-7NF00-2AB0 protects against condensation, fungal growth (Class 3B2), and salt spray. The module includes a red SF (group error) LED for quick diagnostics. Limit value alarms can be set on channels 0 and 2. With a wide operating temperature range and robust construction, this module minimizes downtime in critical processes.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e6AG1331-7NF00-2AB0\u003c\/strong\u003e integrates seamlessly into Siemens S7-300 automation systems. It uses the backplane bus for power and data exchange. It supports diagnostic alarms and limit value alarms. Use it with any S7-300 CPU that accommodates SM 331 modules. Programming and configuration require STEP 7 (TIA Portal or classic).\u003c\/p\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003cp\u003eBefore purchasing the Siemens 6AG1331-7NF00-2AB0, verify your system requires analog input isolated modules with 40-pin connector. For standard environments, consider the 6ES7331-7NF00-0AB0. For harsh environments, this SIPLUS version is the right choice. For reliable supply, contact \u003ca href=\"https:\/\/ubest101.myshopify.com\"\u003ePLC Source PRO\u003c\/a\u003e via ubest101.myshopify.com.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":44410021544035,"sku":"6AG1331-7NF00-2AB0","price":292.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/6AG1331-7NF00-2AB0-c1.jpg?v=1785163452","url":"https:\/\/www.plcsourcepro.com\/products\/siemens-6ag1331-7nf00-2ab0-siplus-s7-300-analog-input-module","provider":"PLC Source PRO","version":"1.0","type":"link"}