{"product_id":"siemens-em-277-profibus-dp-slave-module-6es7277-0aa22-0xa0-simatic-s7-200-communication-unit","title":"Siemens EM 277 PROFIBUS DP Slave Module 6ES7277-0AA22-0XA0 SIMATIC S7-200 Communication Unit","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Siemens 6ES7277-0AA22-0XA0 is a specialized communication expansion module,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ecommonly referred to as the EM 277,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003edesigned to function as a PROFIBUS DP slave for the SIMATIC S7-200 PLC series.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis unit is the primary interface used to connect decentralized S7-200 controllers to a higher-level PROFIBUS network,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eallowing them to act as intelligent distributed I\/O.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy facilitating high-speed data exchange between the local CPU and a PROFIBUS master (such as an S7-300 or S7-400),\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 6ES7277-0AA22-0XA0 ensures that smaller,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003elocalized automation cells are fully integrated into a plant-wide control architecture.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDespite its compact footprint,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit provides robust networking capabilities,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003esupporting both DP and MPI communication protocols.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eHardware Parameters and Interface Specs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInterface Type\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSingle 9-pin Sub-D socket supporting PROFIBUS-DP and MPI\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eTransmission Rates\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAutomatic detection from 9.\u003c\/span\u003e\u003cspan class=\"\"\u003e6 Kbps up to 12 Mbps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInput Voltage\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e24V DC (allowable range 20.\u003c\/span\u003e\u003cspan class=\"\"\u003e4V to 28.\u003c\/span\u003e\u003cspan class=\"\"\u003e8V)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCurrent Consumption\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e70 mA to 120 mA (maximum output)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCircuit Protection\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in current limiting (0.\u003c\/span\u003e\u003cspan class=\"\"\u003e7 A to 2.\u003c\/span\u003e\u003cspan class=\"\"\u003e4 A)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eNetwork Nodes\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to 99 stations via rotary address switches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhysical Mass\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e1 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModule Dimensions\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e7.\u003c\/span\u003e\u003cspan class=\"\"\u003e6 cm x 7.\u003c\/span\u003e\u003cspan class=\"\"\u003e6 cm x 10.\u003c\/span\u003e\u003cspan class=\"\"\u003e2 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturing Origin\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eGermany\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHS Classification\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e8537101190\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThis module features integrated LED indicators for bus fault (BF) and power status,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eallowing for rapid on-site diagnostics of the communication link and hardware health.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eOperational Deployment and Industrial Integration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe EM 277 module is extensively deployed in decentralized automation environments where a SIMATIC S7-200 CPU must share process data with a centralized SCADA or PLC system.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIn complex packaging machinery and textile equipment,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 6ES7277-0AA22-0XA0 allows the local controller to manage high-speed localized tasks while reporting production metrics and receiving setpoints from the master controller via PROFIBUS.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIt is also an essential tool for HMI integration,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eas the MPI capability allows operator panels to access the S7-200 data blocks simultaneously with the DP traffic.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBecause this module has transitioned into the \"discontinued\" phase of its lifecycle,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit is highly sought after as a critical spare part for maintaining legacy manufacturing lines in the automotive and food processing sectors,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhere replacing the entire control platform is not immediately feasible.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts plug-and-play compatibility with the S7-200 backplane makes it the most efficient solution for network repairs or system expansions in established industrial facilities.\u003c\/span\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":45519011020973,"sku":"6ES7277-0AA22-0XA0","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/siemens-6es7277-0aa22-0xa0-em277-profibus-dp-module-pyxvpbnrzqa.jpg?v=1766984724","url":"https:\/\/www.maxwellplc.com\/products\/siemens-em-277-profibus-dp-slave-module-6es7277-0aa22-0xa0-simatic-s7-200-communication-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}