{"product_id":"allen-bradley-20-comm-c-controlnet-adapter-module","title":"Allen-Bradley 20-COMM-C ControlNet Adapter Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e20-COMM-C\u003c\/strong\u003e is a ControlNet communication adapter developed by Allen-Bradley for integration of PowerFlex drives and compatible motor control products into ControlNet industrial networks. The module serves as a communication bridge between the drive DPI interface and ControlNet architecture, enabling deterministic high-speed data exchange for automation and motion applications.\u003c\/p\u003e\n\u003cp\u003eThis adapter is designed for installation in PowerFlex drive families and selected Rockwell Automation motor control platforms. It supports scheduled and unscheduled messaging over ControlNet and allows centralized monitoring, parameter access, diagnostics, and control from PLC or SCADA systems.\u003c\/p\u003e\n\u003cp\u003eThe compact module includes dual coaxial network ports, onboard node-address switches, and LED diagnostics for simplified commissioning and maintenance.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003eParameterSpecification\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003e\u003cstrong\u003e20-COMM-C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eProduct Family\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003ePowerFlex Architecture Class\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eControlNet Communication Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eControlNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eDrive Interface\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eDPI (Drive Peripheral Interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eDPI Connector\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e20-pin DPI port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eNetwork Ports\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003eDual BNC coaxial ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eCommunication Speed\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e5 Mbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eMinimum RPI\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eSupported Connections\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003eUp to 30 TCP connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eLED Indicators\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e4 status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eAddress Configuration\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003eRotary node address switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eInput Power\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003eSupplied by host drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\"\u003eElectrical Consumption\u003c\/td\u003e\n\u003ctd data-row=\"16\"\u003e275–350 mA @ 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"17\"\u003eExternal Network Power\u003c\/td\u003e\n\u003ctd data-row=\"17\"\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"18\"\u003eMounting Type\u003c\/td\u003e\n\u003ctd data-row=\"18\"\u003eInternal drive-mounted module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"19\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd data-row=\"19\"\u003e10°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"20\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd data-row=\"20\"\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"21\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"21\"\u003e0.40 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"22\"\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd data-row=\"22\"\u003eIP20 \/ NEMA Type 1 when installed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"23\"\u003eCertifications\u003c\/td\u003e\n\u003ctd data-row=\"23\"\u003eUL, cUL, CE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatible Equipment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e20-COMM-C\u003c\/strong\u003e adapter supports communication integration with multiple Rockwell Automation products using DPI architecture.\u003c\/p\u003e\n\u003cp\u003eCompatible platforms include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePowerFlex 70 drives\u003c\/li\u003e\n\u003cli\u003ePowerFlex 700 series\u003c\/li\u003e\n\u003cli\u003ePowerFlex 700H\u003c\/li\u003e\n\u003cli\u003ePowerFlex 700S\u003c\/li\u003e\n\u003cli\u003ePowerFlex 700L\u003c\/li\u003e\n\u003cli\u003ePowerFlex 750 series\u003c\/li\u003e\n\u003cli\u003ePowerFlex Digital AC Drives\u003c\/li\u003e\n\u003cli\u003eDPI External Communication Kits\u003c\/li\u003e\n\u003cli\u003eSMC Flex controllers\u003c\/li\u003e\n\u003cli\u003eSMC-50 smart motor controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eNetwork Communication Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module enables deterministic communication across ControlNet systems while maintaining fast cyclic data transfer between PLCs and connected drives.\u003c\/p\u003e\n\u003cp\u003eCore communication capabilities include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eScheduled ControlNet I\/O messaging\u003c\/li\u003e\n\u003cli\u003eUnscheduled parameter communication\u003c\/li\u003e\n\u003cli\u003eHigh-speed drive status updates\u003c\/li\u003e\n\u003cli\u003eRemote parameter configuration\u003c\/li\u003e\n\u003cli\u003eFault and alarm monitoring\u003c\/li\u003e\n\u003cli\u003ePeer-to-peer network integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe communication adapter includes industrial-grade network hardware intended for continuous automation system operation.\u003c\/p\u003e\n\u003cp\u003eHardware components include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual coaxial BNC network connectors\u003c\/li\u003e\n\u003cli\u003eIntegrated node address selector\u003c\/li\u003e\n\u003cli\u003eDiagnostic status LEDs\u003c\/li\u003e\n\u003cli\u003eInternal DPI communication interface\u003c\/li\u003e\n\u003cli\u003eCompact modular design for PowerFlex drives\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e20-COMM-C\u003c\/strong\u003e module is commonly used in ControlNet-based automation systems requiring centralized drive communication and monitoring.\u003c\/p\u003e\n\u003cp\u003eTypical installations include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConveyor automation systems\u003c\/li\u003e\n\u003cli\u003ePackaging equipment\u003c\/li\u003e\n\u003cli\u003eMaterial handling applications\u003c\/li\u003e\n\u003cli\u003eManufacturing process lines\u003c\/li\u003e\n\u003cli\u003eIndustrial motor control systems\u003c\/li\u003e\n\u003cli\u003eDistributed drive architectures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat communication protocol does the 20-COMM-C support?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module is specifically designed for ControlNet communication networks using Rockwell Automation DPI architecture.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan the adapter be used with PowerFlex 750 drives?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. The \u003cstrong\u003e20-COMM-C\u003c\/strong\u003e supports several PowerFlex families, including PowerFlex 750 series drives.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes the module require an external power supply?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. The adapter receives operating power directly from the host drive or DPI communication kit.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat network connectors are used on this module?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module uses dual BNC coaxial ControlNet connectors for network communication.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43404410388570,"sku":"20-COMM-C","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/20-COMM-C2.jpg?v=1779428875","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-20-comm-c-controlnet-adapter-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}