{"product_id":"siemens-simatic-s7-1200-communication-boards","title":"SIEMENS - SIMATIC S7-1200 - Communication Boards","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eSiemens SIMATIC S7-1200 CB1241 RS485 Communication Board\u003c\/strong\u003e expands compatible SIMATIC S7-1200 CPUs with an integrated \u003cstrong\u003eRS485 serial communication interface\u003c\/strong\u003e without increasing the PLC installation width. The board installs directly into the communication board slot of supported CPUs, providing a compact solution for integrating serial devices into industrial automation systems.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe CB1241 supports \u003cstrong\u003eModbus RTU Master\u003c\/strong\u003e, \u003cstrong\u003eModbus RTU Slave (Device)\u003c\/strong\u003e, \u003cstrong\u003eUSS protocol\u003c\/strong\u003e and \u003cstrong\u003eFreeport serial communication\u003c\/strong\u003e, making it suitable for communication with variable speed drives, barcode scanners, weighing systems, serial instruments, energy meters and other RS485 devices. Configuration, diagnostics and protocol management are fully integrated within \u003cstrong\u003eSTEP 7 using TIA Portal\u003c\/strong\u003e.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"CB1241 - RS485 Communication Board - 6ES7241-1CH30-1XB0","offer_id":49490588795107,"sku":"ID 10512","price":355.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/5956\/8611\/files\/Screenshot_2026-08-02_at_8.02.06_PM.png?v=1785658372","url":"https:\/\/www.electrotk.com\/products\/siemens-simatic-s7-1200-communication-boards","provider":"Electrotk","version":"1.0","type":"link"}