{"product_id":"siemens-simatic-s7-1200-profibus-communication-modules","title":"SIEMENS - SIMATIC S7-1200 - PROFIBUS Communication Modules","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Siemens SIMATIC S7-1200 \u003cstrong\u003eCM 1242-5 and CM 1243-5 PROFIBUS Communication Modules\u003c\/strong\u003e connect compatible S7-1200 controllers to PROFIBUS DP networks.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCM 1242-5\u003c\/strong\u003e operates as a PROFIBUS DP slave\/device, allowing an S7-1200 station to exchange cyclic I\/O data with a PROFIBUS DP master. The \u003cstrong\u003eCM 1243-5\u003c\/strong\u003e operates as a PROFIBUS DP master and additionally supports PG\/OP and S7 communication. Both modules support PROFIBUS transmission rates from \u003cstrong\u003e9.6 kbit\/s to 12 Mbit\/s\u003c\/strong\u003e through a 9-pin Sub-D RS485 interface and are configured using Siemens STEP 7 within TIA Portal.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CM1242-5 - PROFIBUS DP Slave - 6GK7242-5DX30-0XE0","offer_id":49487600746723,"sku":"ID 10502","price":1100.98,"currency_code":"NZD","in_stock":true},{"title":"CM1243-5 - PROFIBUS DP Master - 6GK7243-5DX30-0XE0","offer_id":49487600779491,"sku":"ID 10503","price":1650.98,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_4.50.10_PM.png?v=1785646245","url":"https:\/\/www.electrotk.com\/products\/siemens-simatic-s7-1200-profibus-communication-modules","provider":"Electrotk","version":"1.0","type":"link"}