{"product_id":"siemens-simatic-s7-1200-analog-signal-modules","title":"Siemens SIMATIC S7-1200 analog signal modules (SM 1231, 1232, 1234)","description":"\u003cp class=\"ps-intro\"\u003eAnalog input, output and combined I\/O signal modules for SIMATIC S7-1200.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eVoltage ranges ±10 V, ±5 V, ±2.5 V and current 0\/4-20 mA\u003c\/li\u003e\n\u003cli\u003eSM 1231 high-feature 15-bit + sign input version\u003c\/li\u003e\n\u003cli\u003eSM 1232 outputs with 14-bit (voltage) \/ 13-bit (current) resolution\u003c\/li\u003e\n\u003cli\u003eSM 1234 combined 4 AI \/ 2 AO\u003c\/li\u003e\n\u003cli\u003ePlug-in terminal blocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct line\u003c\/th\u003e\n\u003ctd\u003eSIMATIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eSIMATIC S7-1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignals\u003c\/th\u003e\n\u003ctd\u003eVoltage \/ current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage ranges\u003c\/th\u003e\n\u003ctd\u003e±10 V, ±5 V, ±2.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCurrent ranges\u003c\/th\u003e\n\u003ctd\u003e0-20 mA \/ 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eGold-plated, screw or push-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering\u003c\/th\u003e\n\u003ctd\u003eSTEP 7 (TIA Portal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog ST 70 · 2026, p. 217-230\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7231-5ND32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eModule: SM 1231 | Channels: 4 AI | Resolution: 15 bit + sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7231-4HD32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eModule: SM 1231 | Channels: 4 AI | Resolution: 12 bit + sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7231-4HF32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eModule: SM 1231 | Channels: 8 AI | Resolution: 12 bit + sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7232-4HB32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eModule: SM 1232 | Channels: 2 AO | Resolution: 14 bit V \/ 13 bit mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7232-4HD32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eModule: SM 1232 | Channels: 4 AO | Resolution: 14 bit V \/ 13 bit mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7234-4HE32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eModule: SM 1234 | Channels: 4 AI \/ 2 AO | Resolution: 14 bit V \/ 13 bit mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67534364180770,"sku":"6ES7231-5ND32-0XB0","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-simatic-s7-1200-analog-signal-modules.jpg?v=1792131803","url":"https:\/\/prosourcemro.com\/products\/siemens-simatic-s7-1200-analog-signal-modules","provider":"ProSource MRO","version":"1.0","type":"link"}