{"product_id":"20-comm-h-allen-bradley-communications-adapter","title":"20-COMM-H | Allen Bradley Communications Adapter","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 20-COMM-H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecommunication adapter enables RS-485 HVAC protocol connectivity for PowerFlex drives, providing a reliable and efficient communication bridge between HVAC systems and Rockwell Automation’s PowerFlex family. Designed for seamless integration, it enhances control and monitoring capabilities in industrial and building automation environments.\u003c\/p\u003e\n\u003cp\u003eThis module supports multiple PowerFlex models, ensuring compatibility across a range of drive configurations and applications.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e20-COMM-H\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley (Rockwell Automation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCommunication Adapter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRS-485 (HVAC protocol)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSupported Drive Series:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePowerFlex 70\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePowerFlex 700 \/ 700H \/ 700S \/ 700L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePowerFlex 750\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePowerFlex DC Drives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHVAC (based on RS-485 serial communication)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnection Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDPI (Drive Peripheral Interface) port connection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Rate:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 115.2 kbps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration Method:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDrive keypad, HIM, or DriveExplorer\/DriveExecutive software\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndicators:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStatus LEDs for power, communication, and network status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDerived from the connected drive through the DPI port\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOpen-style, DIN-rail or panel-mounted\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0°C to +55°C (32°F to 131°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-40°C to +85°C (-40°F to 185°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.99 lb (0.45 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProvides seamless RS-485 HVAC communication between PowerFlex drives and building automation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlug-and-play integration using the DPI interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact and durable design suitable for industrial and HVAC control panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports parameter access, fault diagnostics, and control commands over the network\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in LED indicators for quick system diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e20-COMM-H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule is commonly used in industrial and commercial building automation where PowerFlex drives must communicate with HVAC controllers or supervisory systems.\u003cbr\u003eTypical applications include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHVAC and air-handling systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial ventilation and chiller control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilding management system (BMS) integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy-efficient fan and pump speed control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can the 20-COMM-H be used with non-HVAC RS-485 networks?\u003c\/strong\u003e\u003cbr\u003eA1: This module is specifically designed for HVAC RS-485 networks and may not be compatible with generic Modbus RTU applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Is any external power supply required for operation?\u003c\/strong\u003e\u003cbr\u003eA2: No. The module receives its operating power directly from the drive via the DPI connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What software tools support configuration of this adapter?\u003c\/strong\u003e\u003cbr\u003eA3: Configuration and monitoring can be done using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDriveExplorer\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDriveExecutive\u003c\/strong\u003e, or the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePowerFlex HIM module\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52317132390709,"sku":"20-COMM-H","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/20-COMM-H.jpg?v=1770782238","url":"https:\/\/www.5gplc.com\/products\/20-comm-h-allen-bradley-communications-adapter","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}