{"product_id":"allen-bradley-20-comm-h-powerflex-7-class-hvac-communication-adapter","title":"Allen Bradley 20-COMM-H PowerFlex 7-Class HVAC Communication Adapter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 20-COMM-H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a high-performance communication gateway specifically engineered for PowerFlex 7-Class AC drives, including the PowerFlex 70. It bridges the gap between industrial motor control and building automation systems (BAS). By supporting specialized HVAC protocols like Metasys N2 and Siemens P1 alongside standard Modbus RTU, this adapter allows facility engineers to integrate heavy-duty drives into sophisticated climate control and building management networks. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and factory-original\u003c\/strong\u003e, ensuring seamless protocol conversion and high-speed data exchange via the drive's internal Deep Packet Inspection (DPI) interface.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 20-COMM-H utilizes the drive's internal power and mounting infrastructure to provide a reliable network node.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Drive Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePowerFlex 7-Class (PowerFlex 70)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Protocols\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModbus RTU, Siemens Building Tech (P1), Metasys N2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDrive Protocol\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDeep Packet Inspection (DPI)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDPI Baud Rates\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e125 kbps or 500 kbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModbus Baud Rates\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4,800, 9,600, 19,200, or 38,400 bps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Power Draw\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150 mA at 5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Phase Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3-Phase\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20 (NEMA Type 1)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCaptive Screw Installation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Protocol Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis single adapter supports three distinct HVAC-centric protocols. This flexibility allows contractors to standardize on PowerFlex drives while maintaining compatibility with diverse building automation front-ends like Johnson Controls (Metasys) or Siemens Apogee.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect DPI Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module interfaces directly with the drive via the DPI protocol. This high-speed connection provides the BAS with deep visibility into drive parameters, including real-time current draw, torque, and fault diagnostics, far exceeding the data available via simple analog I\/O.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure Hardware Installation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe unit features captive mounting screws. This design prevents hardware loss during installation in cramped cabinets and ensures a vibration-resistant mechanical bond with the drive's control pod, maintaining electrical contact integrity in high-vibration industrial settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow Power Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDrawing only 150 mA from the drive's internal 5V DC supply, the adapter adds negligible thermal load to the drive's control circuitry. This efficiency ensures the primary drive components operate within their intended thermal margins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Commissioning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe adapter supports a wide range of baud rates (up to 38,400 bps for Modbus RTU). This allows engineers to match existing network speeds without forcing a total system reconfiguration or installing additional repeaters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this 20-COMM-H unit come in original packaging?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We supply only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunits in original Allen Bradley factory boxes. Every module includes the factory-set UPC (820919000256).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich protocols can I use with this adapter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 20-COMM-H specifically supports Modbus RTU, Metasys N2, and Siemens Building Technologies (P1). You select the active protocol via the drive's internal parameters or physical switches on the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mount this adapter on any PowerFlex drive?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis adapter specifically fits\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePowerFlex 7-Class drives\u003c\/strong\u003e, such as the PowerFlex 70. It requires a Frame Size A or compatible control architecture. It is not compatible with PowerFlex 4-Class or PowerFlex 525 drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need an external power supply for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 20-COMM-H draws all necessary operating power directly from the drive's internal DPI port. Simply secure the captive screws to complete both the mechanical and electrical connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53442117075128,"sku":"20-COMM-H","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/20-COMM-H.jpg?v=1778144221","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-20-comm-h-powerflex-7-class-hvac-communication-adapter","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}