{"product_id":"siemens-6es7241-1ea50-0xb0-cm1241-communication-module","title":"Siemens 6ES7241-1EA50-0XB0 SIMATIC S7-1200 CM 1241 RS232\/422\/485 Communication Module","description":"\u003cp\u003eThe Siemens CM 1241 (6ES7241-1EA50-0XB0) is a SIMATIC S7-1200 communication module with one switchable RS232\/RS422\/RS485 interface, supporting Freeport, ASCII, Modbus RTU master and slave, and USS protocols. It connects the S7-1200 to serial field devices such as VFDs, meters, and third-party PLCs over up to 1,000 m on RS422\/485, at transmission rates up to 250 kbit\/s on RS485 and 115.2 kbit\/s on RS232.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6ES7241-1EA50-0XB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S7-1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct type designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCM 1241 RS 232\/422\/485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS232 (full duplex) \/ 422 \/ 485, 1 interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable length max\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000 m (RS422\/485 shielded), 10 m (RS232)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRS232 transmission rate max\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e115.2 kbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRS485 transmission rate max\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250 kbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntegrated protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFreeport, ASCII, Modbus RTU master, Modbus RTU slave, USS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModbus RTU master, max. devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e247\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent consumption, backplane 5V DC typ.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e170 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower loss, typ.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIP degree of protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 x 125 x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight, approx.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e178 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient temperature, operation (horizontal)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 C to 60 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient temperature, operation (vertical)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 C to 50 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eCertifications \u0026amp; Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCE\u003c\/li\u003e\n\u003cli\u003eUL\u003c\/li\u003e\n\u003cli\u003ecULus\u003c\/li\u003e\n\u003cli\u003eRCM\u003c\/li\u003e\n\u003cli\u003eKC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe single switchable RS232\/422\/485 port lets one module serve either a short point-to-point RS232 link or a 1,000 m multidrop RS422\/485 segment, covering both a nearby HMI or printer connection and a longer Modbus RTU field bus without ordering two different modules. Choose the Modbus RTU master function when the S7-1200 needs to poll VFDs or meters directly; the built-in USS driver is the alternative when the field devices are Siemens drives instead of generic Modbus slaves.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eFits S7-1200 stations that need to talk to serial VFDs, energy meters, barcode scanners, or legacy RS232\/485 equipment alongside the CPU's onboard PROFINET port.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960783528219,"sku":"6ES7241-1EA50-0XB0","price":186.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7241-1ea50-0xb0-cm1241-rs232-422-485-communication-module.png?v=1789664496","url":"https:\/\/stoklink.com\/products\/siemens-6es7241-1ea50-0xb0-cm1241-communication-module","provider":"Stoklink","version":"1.0","type":"link"}