{"product_id":"siemens-6es7241-1ch30-1xb0-cb-1241-rs485-communication-board","title":"Siemens 6ES7241-1CH30-1XB0 CB 1241 RS485 Communication Board","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 6ES7241-1CH30-1XB0 is the CB 1241 RS485 Communication Board for SIMATIC S7-1200. It provides a point-to-point RS485 interface supporting Freeport, ASCII, Modbus RTU (master\/slave) and USS protocols.\u003c\/p\u003e\n\u003ch3\u003eCore Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: CB 1241 RS485 Communication Board\u003c\/li\u003e\n\u003cli\u003eSystem: SIMATIC S7-1200\u003c\/li\u003e\n\u003cli\u003eInterface: RS485 (terminal block)\u003c\/li\u003e\n\u003cli\u003eProtocols: Freeport, ASCII, Modbus RTU master\/device, USS\u003c\/li\u003e\n\u003cli\u003eCable length: Max 1000 m\u003c\/li\u003e\n\u003cli\u003eCurrent consumption: Typ. 50 mA from 5 V backplane\u003c\/li\u003e\n\u003cli\u003ePower loss: Typ. 1.5 W\u003c\/li\u003e\n\u003cli\u003eDimensions: 38 × 62 × 21 mm\u003c\/li\u003e\n\u003cli\u003eWeight: Approx. 40 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact plug-in communication board for S7-1200\u003c\/li\u003e\n\u003cli\u003eSupports multiple serial protocols including Modbus RTU\u003c\/li\u003e\n\u003cli\u003eFreeport mode for custom ASCII or binary communication\u003c\/li\u003e\n\u003cli\u003eSimple terminal-block connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface?\u003c\/strong\u003e RS485.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocols?\u003c\/strong\u003e Freeport, Modbus RTU, USS, ASCII.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem?\u003c\/strong\u003e S7-1200.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the S7-1200 CPU.\u003c\/li\u003e\n\u003cli\u003eInsert the CB 1241 into the communication board slot on the CPU.\u003c\/li\u003e\n\u003cli\u003eWire the RS485 terminals according to the network topology.\u003c\/li\u003e\n\u003cli\u003eConfigure the interface and protocol in TIA Portal \/ STEP 7.\u003c\/li\u003e\n\u003cli\u003ePower up and verify communication status.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIdeal for adding RS485 serial communication to S7-1200.\u003c\/li\u003e\n\u003cli\u003eConfirm protocol requirements (Modbus, Freeport, etc.).\u003c\/li\u003e\n\u003cli\u003eKeep as spare for serial expansion needs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":43852791447619,"sku":"6ES7241-1CH30-1XB0","price":143.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/6ES7241-1CH32-0XB0_2_1d3208f2-57e5-4f00-9a8e-03f31c875c7e.jpg?v=1789722484","url":"https:\/\/www.plcdcspro.com\/th\/products\/siemens-6es7241-1ch30-1xb0-cb-1241-rs485-communication-board","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}