{"id":9073,"date":"2026-08-31T15:38:59","date_gmt":"2026-08-31T07:38:59","guid":{"rendered":"https:\/\/atfits.com\/?post_type=product&p=9073"},"modified":"2026-08-31T15:39:20","modified_gmt":"2026-08-31T07:39:20","slug":"new-original-siemens-6es7-231-5nd32-0xb0-sm1231-4-ai-analog-module","status":"publish","type":"product","link":"https:\/\/atfits.com\/es\/producto\/new-original-siemens-6es7-231-5nd32-0xb0-sm1231-4-ai-analog-module\/","title":{"rendered":"New Original Siemens 6ES7 231\u20115ND32\u20110XB0 SM1231 4 AI Analog Module"},"content":{"rendered":"

Siemens 6ES7 231\u20115ND32\u20110XB0 SM1231 4 AI Analog Input Module<\/h1>\n

Product Overview<\/h2>\n

Siemens 6ES7 231\u20115ND32\u20110XB0 is a high\u2011resolution SM1231 analog input expansion module for SIMATIC S7\u20111200 PLC series, featuring 4 differential analog input channels with 15\u2011bit plus sign\u2011bit conversion resolution. It supports multiple voltage and current signal types, compatible with common field transmitters such as pressure, flow and level sensors. Connected via S7\u20111200 backplane bus, it expands analog acquisition capacity for S7\u20111200 CPU systems. Widely applied in machinery manufacturing, water treatment, HVAC and general process automation scenarios for precise analog signal measurement and data collection.<\/p>\n

Main Functions<\/h2>\n
    \n
  1. 4\u2011channel differential analog signal acquisition, supporting configurable voltage and current input ranges.<\/li>\n
  2. High\u2011precision analog\u2011to\u2011digital conversion with 15\u2011bit + sign\u2011bit resolution for accurate measurement results.<\/li>\n
  3. Parameterizable measured\u2011value smoothing with multiple filter levels to suppress industrial site electrical noise interference.<\/li>\n
  4. Wire\u2011break diagnosis for 4\u201120\u202fmA current loop, overflow and underflow detection for abnormal signal status identificationTIA Portal<\/li>\n
  5. LED status indicators for module power supply and fault alarm for quick on\u2011site troubleshooting.<\/li>\n
  6. Direct backplane bus connection with S7\u20111200 CPU, hardware configuration completed via TIA Portal software.<\/li>\n
  7. Supports up to 100\u202fm shielded twisted\u2011pair field sensor cable transmissionTIA Portal….<\/li>\n
  8. Standard 35\u202fmm DIN\u2011rail mounting for installation inside industrial control cabinets.<\/li>\n<\/ol>\n

    Technical Features<\/h2>\n
      \n
    • Differential input design improves common\u2011mode interference rejection performance in noisy industrial environments.<\/li>\n
    • Multiple configurable input ranges for flexible matching of different field sensor output signals.<\/li>\n
    • Short conversion cycle, maximum 100\u202f\u00b5s per channel for fast signal sampling response.<\/li>\n
    • Galvanic isolation between field circuit, backplane bus and external 24\u202fV power circuit.<\/li>\n
    • Over\u2011voltage and over\u2011current input protection to prevent module damage caused by field signal surge.<\/li>\n
    • IP20 protection class for indoor cabinet\u2011mount use only.<\/li>\n
    • Reverse\u2011polarity protection for external DC24\u202fV power supply input.<\/li>\n
    • Complies with CE and EMC industrial standards.<\/li>\n<\/ul>\n

      Technical Data Table<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Item<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
      Model<\/td>\nSM1231 AI 4\u00d716\u2011bit<\/td>\n<\/tr>\n
      Order Code<\/td>\n6ES7 231\u20115ND32\u20110XB0<\/td>\n<\/tr>\n
      Brand<\/td>\nSiemens<\/td>\n<\/tr>\n
      Number of Analog Input Channels<\/td>\n4 differential inputs<\/td>\n<\/tr>\n
      Voltage Input Ranges<\/td>\n\u00b110\u202fV, \u00b15\u202fV, \u00b12.5\u202fV, \u00b11.25\u202fV<\/td>\n<\/tr>\n
      Current Input Ranges<\/td>\n0\u201120\u202fmA, 4\u201120\u202fmA<\/td>\n<\/tr>\n
      Resolution<\/td>\n15 bit + sign bit<\/td>\n<\/tr>\n
      Max Conversion Time per Channel<\/td>\n100\u202f\u00b5s<\/td>\n<\/tr>\n
      Basic Error (25\u202f\u00b0C)<\/td>\n\u00b10.1\u202f% of full scale<\/td>\n<\/tr>\n
      External Power Supply<\/td>\nDC 20.4\u202fV ~ 28.8\u202fV (nominal DC 24\u202fV)<\/td>\n<\/tr>\n
      24\u202fV DC Current Consumption<\/td>\nTyp. 65\u202fmA<\/td>\n<\/tr>\n
      Backplane Bus 5\u202fV Current Consumption<\/td>\nTyp. 80\u202fmA<\/td>\n<\/tr>\n
      Typical Power Loss<\/td>\n1.8\u202fW<\/td>\n<\/tr>\n
      Galvanic Isolation<\/td>\nYes<\/td>\n<\/tr>\n
      Protection Class<\/td>\nIP20<\/td>\n<\/tr>\n
      Operating Ambient Temperature<\/td>\n-20\u202f\u00b0C ~ +60\u202f\u00b0C<\/td>\n<\/tr>\n
      Storage & Transport Temperature<\/td>\n-40\u202f\u00b0C ~ +70\u202f\u00b0C<\/td>\n<\/tr>\n
      Max Shielded Cable Length<\/td>\n100\u202fm<\/td>\n<\/tr>\n
      Mounting<\/td>\n35\u202fmm DIN\u2011rail<\/td>\n<\/tr>\n
      Dimensions (W \u00d7 H \u00d7 D)<\/td>\n45\u202fmm \u00d7 100\u202fmm \u00d7 75\u202fmm<\/td>\n<\/tr>\n
      Net Weight<\/td>\nApprox 0.18\u202fkg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      10 Similar\u2011function Siemens S7\u20111200 Analog Modules<\/h2>\n
        \n
      1. 6ES7231\u20114HD32\u20110XB0: SM1231 4 AI \u00d713\u2011bit analog input module, general\u2011resolution voltage\/current input<\/li>\n
      2. 6ES7231\u20114HF32\u20110XB0: SM1231 8 AI \u00d713\u2011bit, 8\u2011channel analog input expansion module for S7\u20111200<\/li>\n
      3. 6ES7231\u20115PD32\u20110XB0: SM1231 4 AI RTD, 4\u2011channel resistance temperature detector input module<\/li>\n
      4. 6ES7231\u20115PF32\u20110XB0: SM1231 8 AI RTD, 8\u2011channel RTD temperature acquisition module<\/li>\n
      5. 6ES7231\u20115QD32\u20110XB0: SM1231 4 AI TC, 4\u2011channel thermocouple temperature analog input module<\/li>\n
      6. 6ES7231\u20115QF32\u20110XB0: SM1231 8 AI TC, 8\u2011channel thermocouple input expansion module<\/li>\n
      7. 6ES7232\u20114HD32\u20110XB0: SM1232 4 AQ, 4\u2011channel analog output module for S7\u20111200 system<\/li>\n
      8. 6ES7234\u20114HE32\u20110XB0: SM1234 mixed analog I\/O module, 4AI + 2AO combined channels<\/li>\n
      9. 6ES7231\u20115PA30\u20110XB0: SB1231 1\u2011channel RTD signal board, CPU onboard small\u2011scale analog expansion<\/li>\n
      10. 6AG1231\u20115ND32\u20114XB0: SIPLUS SM1231 4AI, conformal\u2011coated wide\u2011temperature variant for harsh environments<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

        Siemens 6ES7 231\u20115ND32\u20110XB0 SM1231 4 AI Analog Input Module Product Overview Siemens 6ES7 231\u20115ND32\u20110XB0 is a high\u2011resolution SM1231 analog input<\/p>","protected":false},"featured_media":9074,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[111],"product_tag":[],"class_list":["post-9073","product","type-product","status-publish","has-post-thumbnail","product_cat-siemens","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"\nNew Original Siemens 6ES7 231\u20115ND32\u20110XB0 SM1231 4 AI Analog Module - Autofits<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atfits.com\/es\/producto\/new-original-siemens-6es7-231-5nd32-0xb0-sm1231-4-ai-analog-module\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Original Siemens 6ES7 231\u20115ND32\u20110XB0 SM1231 4 AI Analog Module - 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