{"product_id":"siemens-simatic-s7-1200-analog-input-modules","title":"SIEMENS - SIMATIC S7-1200 - Analog Input Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Siemens SIMATIC S7-1200 \u003cstrong\u003eSM 1231 Analog Input Modules\u003c\/strong\u003e provide precise analogue signal acquisition for industrial automation and process control applications. Designed for seamless integration with the SIMATIC S7-1200 PLC platform, these expansion modules support accurate measurement of voltage and current signals for monitoring sensors, transmitters and process instrumentation.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe SM 1231 range includes \u003cstrong\u003e4-channel and 8-channel analogue input modules\u003c\/strong\u003e, with standard \u003cstrong\u003e13-bit + sign\u003c\/strong\u003e and \u003cstrong\u003ehigh-resolution 16-bit\u003c\/strong\u003e variants available. Configurable input ranges, integrated diagnostics, galvanic isolation and engineering through Siemens STEP 7 within TIA Portal make these modules suitable for manufacturing, water treatment, HVAC, OEM machinery, utilities and process automation.\u003c\/p\u003e\n\u003cp\u003eThe modules communicate via the SIMATIC S7-1200 backplane bus and are designed for reliable operation in industrial environments.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"SM1231 - AI 4x13 Bit - Voltage\/Current Input - 6ES7231-4HD32-0XB0","offer_id":49484130156771,"sku":"ID 10200","price":685.98,"currency_code":"NZD","in_stock":true},{"title":"SM1231 - AI 4x16 Bit - High Resolution Voltage\/Current Input - 6ES7231-5ND32-0XB0","offer_id":49484130222307,"sku":"ID 10202","price":1180.98,"currency_code":"NZD","in_stock":true},{"title":"SM1231 - AI 8x13 Bit - Voltage\/Current Input - 6ES7231-4HF32-0XB0","offer_id":49484130320611,"sku":"ID 10205","price":945.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screen_Shot_2026-02-21_at_6.48.02_PM.png?v=1771656027","url":"https:\/\/www.electrotk.com\/products\/siemens-simatic-s7-1200-analog-input-modules","provider":"Electrotk","version":"1.0","type":"link"}