{"product_id":"siemens-6es7331-7kf02-0abo-analog-input-module","title":"Siemens 6ES7331-7KF02-0ABO Analog Input Module","description":"\u003ch2\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/SIEMENS_480x480.png?v=1697561613\" alt=\"\" width=\"83\" height=\"16\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eConfigured for isolated analog signal acquisition in the SIMATIC S7-300 platform, the \u003cstrong\u003eSiemens SM 331\u003c\/strong\u003e (\u003cstrong\u003eSM 331\u003c\/strong\u003e Analog Input Module) provides direct electrical conversion of voltage, current, thermocouple, and resistor input signals. The module provides 8 analog input channels with selectable 9\/12\/14-bit resolution, diagnostics, alarm functions, and a 20-pole connection.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSM 331\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S7-300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Analog Inputs\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Isolation\u003c\/td\u003e\n\u003ctd\u003eIsolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e9 \/ 12 \/ 14 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003e1 x 20-pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Function\u003c\/td\u003e\n\u003ctd\u003eRemoving\/inserting with active backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Function\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Range\u003c\/td\u003e\n\u003ctd\u003e-500 mV to +500 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Resistance\u003c\/td\u003e\n\u003ctd\u003e10 Mohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Range\u003c\/td\u003e\n\u003ctd\u003e-80 mV to +80 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Resistance\u003c\/td\u003e\n\u003ctd\u003e10 Mohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e0 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Resistance\u003c\/td\u003e\n\u003ctd\u003e25 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e-10 mA to +10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Resistance\u003c\/td\u003e\n\u003ctd\u003e25 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e-20 mA to +20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Resistance\u003c\/td\u003e\n\u003ctd\u003e25 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e-3.2 mA to +3.2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Resistance\u003c\/td\u003e\n\u003ctd\u003e25 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e4 mA to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Resistance\u003c\/td\u003e\n\u003ctd\u003e25 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSIMATIC S7-300 Backplane and I\/O Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSM 331\u003c\/strong\u003e communicates with the S7-300 system through the backplane bus. Its 8-channel analog input structure provides configurable signal acquisition for voltage, current, thermocouple, and resistor-related measurement tasks.\u003c\/p\u003e\n\u003cp\u003eThe specified module supports removal and insertion with an active backplane bus. Therefore, the installation procedure must follow the applicable S7-300 system configuration and operating rules.\u003c\/p\u003e\n\u003cp\u003eThe analog front end supports isolated inputs. Voltage ranges include -500 mV to +500 mV and -80 mV to +80 mV, with an input resistance of 10 Mohm. Current ranges use a 25 ohm input resistance.\u003c\/p\u003e\n\u003cp\u003eFor thermocouple measurement, the supplied data confirms support for Types E, J, K, L, and N. Types B, C, R, S, T, U, and TXK\/TXK(L) to GOST are listed as unsupported.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many analog input channels does the SM 331 provide?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The module provides 8 analog input channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What signal types can the supplied SM 331 data confirm?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The specified ranges include voltage and current signals, plus thermocouple Types E, J, K, L, and N.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module be removed or inserted while the active backplane bus is present?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The supplied specification explicitly states removing\/inserting with an active backplane bus. Follow the applicable S7-300 operating procedure before performing this action.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the \u003cstrong\u003eSM 331\u003c\/strong\u003e in the designated SIMATIC S7-300 module position and secure the module mechanically before connecting field wiring.\u003c\/p\u003e\n\u003cp\u003eUse the specified 20-pole connection for the module interface. Separate analog signal wiring from high-current power conductors and switching circuits where practical to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eFor current inputs, verify that the external signal source matches the selected input range and that the signal wiring does not introduce unintended series resistance.\u003c\/p\u003e\n\u003cp\u003eFor millivolt and thermocouple signals, use appropriate signal wiring and maintain consistent polarity. Keep low-level analog wiring away from high-energy switching conductors.\u003c\/p\u003e\n\u003cp\u003eConnect cable shields according to the S7-300 installation design and the applicable cabinet grounding scheme. Avoid creating unintended ground loops through multiple shield termination points.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, verify channel configuration, signal polarity, input range, sensor type, and diagnostic settings against the actual field wiring. Do not apply unsupported thermocouple types to configured input channels.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cimg height=\"16\" width=\"83\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/SIEMENS_480x480.png?v=1697561613\"\u003eOther Attributes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCountry of Origin: \u003cspan\u003e Germany\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLead Time: In Stock, 2 Working Days\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\n\u003cimg height=\"16\" width=\"83\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/SIEMENS_480x480.png?v=1697561613\"\u003e\u003cspan\u003eIn Stock \u003c\/span\u003e\u003cspan\u003eHot Items \u003c\/span\u003eof SIEMENS\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 433.52pt;\" height=\"342\" width=\"578\" cellspacing=\"0\" cellpadding=\"0\" 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height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et2\"\u003e6ES7195-7HC00-0XA0\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6DD1688-0AD0\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6ES7421-1BL01-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et2\"\u003e6DD2920-0AB1\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6DD1688-0AE2\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6ES7422-1BL00-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et2\"\u003e6DD2920-0AV3\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6DD1842-0AA0\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6ES7452-1AH00-0AE0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13.50pt;\" height=\"18\"\u003e\n\u003ctd style=\"height: 13.50pt;\" height=\"18\" class=\"et2\"\u003e6DP1210-8BC\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6DD2920-0AA0\u003c\/td\u003e\n\u003ctd class=\"et2\"\u003e6ES7492-1AL00-0AA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOur Competitive Brands\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e- ABB Advant-800xA，Advant OCS，Bailey Infi 90 and Net 90，H\u0026amp;B Freelance 2000，DSQC Robots，IGCT \/ IGBT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- GE General Electric Field Control, Genius I\/O, QuickPanel, RX3i PacSystem, Series 90, Series 90, Series VersaMax\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Allen Bradley Allen-Bradley SLC500, MicroLogix, CompactLogix, ControlLogix, PLC-5, Panel View,\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Bently Nevada 3300 System, 3500 System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Honeywell 7800 Series, FSC, IPC, Mxopen, TDC 2000, TDC 3000, Experion PKS(C200,C300)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Yokogawa Centum CS - Centum VP, Centum XL - micro XL, FA-M3, ProSafe-PLC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e- Ovation, Foxboro, EPRO, Emerson DeltaV, Fuji, Siemens, HIMA, Prosoft, Invensys Triconex, ICS TRIPLEX, Woodward, Bachmann, Schneider\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"tel:+8618030205725\"\u003e\u003cspan\u003e\u003cstrong\u003eTEL: +86 18030205725 \u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e    \u003ca href=\"maito:manskiwong@cambia.cn\"\u003e\u003cspan\u003e\u003cstrong\u003eE-MAIL: manskiwong@cambia.cn\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53582320107829,"sku":"6ES7331-7KF02-0ABO","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/0789\/6885\/files\/6ES7331-7KF02-0ABO_Cocoai.jpg?v=1789444678","url":"https:\/\/www.newgenplc.com\/ru\/products\/siemens-6es7331-7kf02-0abo-analog-input-module","provider":"New-Gen Automation Limited","version":"1.0","type":"link"}