{"product_id":"allen-bradley-20-comm-er-module","title":"Allen-Bradley 20-COMM-ER EtherNet Adapter Module","description":"\u003cstyle\u003e.nxs-industrial-product-page{--industrial-navy:#082f49;--industrial-blue:#0b4f7c;--industrial-blue-2:#0f6ea8;--industrial-cyan:#38bdf8;--steel-line:#c9dce9;--surface:#fff;--surface-soft:#f7fbfe;--text-main:#173042;--shadow-soft:0 10px 30px rgba(8,47,73,.08);--radius-lg:14px;--radius-md:10px}.nxs-industrial-product-page,.nxs-industrial-product-page *{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif}.nxs-industrial-product-page{background:#f3f8fb;color:var(--text-main);line-height:1.75;-webkit-font-smoothing:antialiased}.nxs-industrial-product-page .container{width:92%;max-width:1120px;margin:0 auto;padding-bottom:34px}.nxs-industrial-product-page main{padding-top:8px}.nxs-industrial-product-page .section{position:relative;overflow:hidden;background:var(--surface);margin:22px auto;padding:36px 30px;border:1px solid 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.section:last-of-type\u003ep::before{content:counter(faq,decimal-leading-zero);position:absolute;left:15px;top:17px;min-width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;background:var(--industrial-blue);color:#fff;font-size:11px;font-weight:700}.nxs-industrial-product-page .section:last-of-type\u003ep strong{display:inline-block;color:#0b456d;margin-bottom:5px}.nxs-industrial-product-page .section:last-of-type\u003ebr{display:block;content:'';margin:10px 0}@media(max-width:760px){.nxs-industrial-product-page .container{width:100%;padding:0 12px 24px}.nxs-industrial-product-page .section{padding:26px 17px 24px;margin:14px auto}.nxs-industrial-product-page .section h2{font-size:21px}.nxs-industrial-product-page .spec-table{table-layout:fixed}.nxs-industrial-product-page .spec-table td{padding:11px 9px;font-size:13px;overflow-wrap:anywhere}.nxs-industrial-product-page .spec-table td:first-child{width:42%}.nxs-industrial-product-page .features,.nxs-industrial-product-page .section ul{grid-template-columns:1fr}.nxs-industrial-product-page .card:hover{transform:none}.nxs-industrial-product-page .section:last-of-type\u003ep{padding:16px 14px 16px 48px;font-size:14px}.nxs-industrial-product-page .section:last-of-type\u003ep::before{left:12px;top:15px}}@media(prefers-reduced-motion:reduce){.nxs-industrial-product-page *{transition:none!important}}\u003c\/style\u003e\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e20-COMM-ER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP Communication Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Description\u003c\/td\u003e\n\u003ctd\u003eSMC \/ PowerFlex 7-Class Dual-Port EtherNet\/IP Adapter Communications Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Configuration\u003c\/td\u003e\n\u003ctd\u003eDual-Port Industrial Ethernet Network Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Protocol\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Connector Type\u003c\/td\u003e\n\u003ctd\u003eRJ45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Cable Interface\u003c\/td\u003e\n\u003ctd\u003eCAT5-Compatible Ethernet Connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Speed\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuplex Modes\u003c\/td\u003e\n\u003ctd\u003eHalf Duplex and Full Duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Topology\u003c\/td\u003e\n\u003ctd\u003eStar and Device Level Ring (DLR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuality of Service\u003c\/td\u003e\n\u003ctd\u003eQoS Supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum TCP Connections\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Class 1 Connections\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Class 3 Connections\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Requested Packet Interval\u003c\/td\u003e\n\u003ctd\u003e2 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost Communication Interface\u003c\/td\u003e\n\u003ctd\u003eDrive Peripheral Interface (DPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDPI Data Rates\u003c\/td\u003e\n\u003ctd\u003e125 kbps or 500 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDPI Connector\u003c\/td\u003e\n\u003ctd\u003e20-Pin Single-Row Shrouded Header\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHost Power Supply\u003c\/td\u003e\n\u003ctd\u003e5 VDC Supplied by Compatible Drive or DPI External Communications Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e482 mA at 5 VDC, According to User Manual Publication 20COMM-UM015B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Ethernet Power Supply\u003c\/td\u003e\n\u003ctd\u003eNot Required for Standard Host-Powered Installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Address Configuration\u003c\/td\u003e\n\u003ctd\u003eBOOTP\/DHCP or Adapter Configuration Parameters and Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubnet Mask Configuration\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGateway Configuration\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImplicit I\/O Messaging\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExplicit Messaging\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Data Exchange\u003c\/td\u003e\n\u003ctd\u003eLogic Command, Reference, Logic Status and Feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDatalink Support\u003c\/td\u003e\n\u003ctd\u003eUp to Four Pairs of Datalinks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Hierarchy\u003c\/td\u003e\n\u003ctd\u003eMaster-Slave or Peer-to-Peer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Fault Action\u003c\/td\u003e\n\u003ctd\u003eConfigurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdle Fault Action\u003c\/td\u003e\n\u003ctd\u003eConfigurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Indicators\u003c\/td\u003e\n\u003ctd\u003e4 Status Indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmbedded Web Pages\u003c\/td\u003e\n\u003ctd\u003eSupported; Configurable Web Access\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeb-Based Process Monitoring\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeb-Based Diagnostics\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmail Fault Notifications\u003c\/td\u003e\n\u003ctd\u003eConfigurable with Suitable Network and SMTP Settings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Configuration Software\u003c\/td\u003e\n\u003ctd\u003eConnected Components Workbench and Compatible Rockwell Drive Configuration Tools\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePLC Integration\u003c\/td\u003e\n\u003ctd\u003eCompatible ControlLogix and Other Supported EtherNet\/IP Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Drive Family\u003c\/td\u003e\n\u003ctd\u003ePowerFlex 70 \/ 70EC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional Compatible Drives\u003c\/td\u003e\n\u003ctd\u003ePowerFlex 700 \/ 700VC, 700H, 700S, 700L and 7000 \/ 7000-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Drive Compatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible PowerFlex Digital DC Drives\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmart Motor Controller Compatibility\u003c\/td\u003e\n\u003ctd\u003eSMC Flex and SMC-50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Communications Kit\u003c\/td\u003e\n\u003ctd\u003eCompatible DPI External Comms Kit, 20-XCOMM-DC-BASE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerFlex 750-Series Compatibility\u003c\/td\u003e\n\u003ctd\u003eNot Compatible, According to Manufacturer User Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Location\u003c\/td\u003e\n\u003ctd\u003eCompatible Drive or Smart Motor Controller Communication Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecuring Method\u003c\/td\u003e\n\u003ctd\u003eCaptive Mounting and Grounding Screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Height\u003c\/td\u003e\n\u003ctd\u003e19 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Length\u003c\/td\u003e\n\u003ctd\u003e86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Width\u003c\/td\u003e\n\u003ctd\u003e78.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e150 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10 to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, Noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Restrictions\u003c\/td\u003e\n\u003ctd\u003eAvoid Volatile or Corrosive Gases, Vapors and Dust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulatory Standards, Drive Applications\u003c\/td\u003e\n\u003ctd\u003eUL 508C, CAN\/CSA C22.2 No. 14 and EN 61800-3, According to Manufacturer Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e885630298160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Lifecycle Status\u003c\/td\u003e\n\u003ctd\u003eActive Mature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Firmware Download\u003c\/td\u003e\n\u003ctd\u003eVersion 1.008 Listed in Rockwell Automation Product Catalog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelated Single-Port Model\u003c\/td\u003e\n\u003ctd\u003e20-COMM-E; Different Network Features and Compatibility Requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer User Manual\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation Publication 20COMM-UM015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Installation Instructions\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation Publication 20COMM-IN004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Product Reference\u003c\/td\u003e\n\u003ctd\u003ehttps:\/\/www.rockwellautomation.com\/en-us\/products\/details.20-COMM-ER.html\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Manual Reference\u003c\/td\u003e\n\u003ctd\u003ehttps:\/\/literature.rockwellautomation.com\/idc\/groups\/literature\/documents\/um\/20comm-um015_-en-p.pdf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003eDual-Port 10\/100 Mbps EtherNet\/IP Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 20-COMM-ER provides two industrial Ethernet ports for connecting compatible PowerFlex 7-Class drives and smart motor controllers to an EtherNet\/IP network. The adapter supports 10\/100 Mbps communication with half-duplex and full-duplex operation.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eDevice Level Ring Network Support\u003c\/h3\u003e\n\u003cp\u003eThe dual-port architecture supports Device Level Ring and compatible star network arrangements. DLR connectivity provides a network-topology option for industrial automation systems when used with appropriately configured ring components and supervision.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eDrive Control and Data Exchange\u003c\/h3\u003e\n\u003cp\u003eThe adapter supports implicit I\/O messaging, explicit messaging, Logic Command and Reference exchange, and up to four pairs of Datalinks. These functions enable compatible controllers to exchange operating commands, feedback and selected parameter information with connected drives.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eEmbedded Web Diagnostics\u003c\/h3\u003e\n\u003cp\u003eConfigurable web pages provide access to adapter information, connected device status, network statistics and diagnostic information. Supported email notification functions can report selected faults and communication events when the network and mail settings are configured.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eFlexible Network Configuration\u003c\/h3\u003e\n\u003cp\u003eBOOTP\/DHCP, adapter parameters and physical address or mode switches provide options for establishing network settings. Four onboard status indicators assist technicians with identifying communication and network conditions during commissioning and troubleshooting.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003ePowerFlex and SMC Integration\u003c\/h3\u003e\n\u003cp\u003eThe 20-COMM-ER is designed for supported PowerFlex 7-Class and related drive systems, PowerFlex Digital DC drives, and SMC Flex or SMC-50 controllers. Its host-powered DPI interface supports installation in compatible communication slots without a separate network-side power source.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePowerFlex 70 and 700 drive Ethernet communication\u003c\/li\u003e\n\u003cli\u003eIndustrial motor drive PLC network integration\u003c\/li\u003e\n\u003cli\u003eSMC Flex and SMC-50 controller connectivity\u003c\/li\u003e\n\u003cli\u003eDevice Level Ring industrial network installations\u003c\/li\u003e\n\u003cli\u003eRemote monitoring of industrial drive parameters\u003c\/li\u003e\n\u003cli\u003eManufacturing equipment communication upgrades\u003c\/li\u003e\n\u003cli\u003ePowerFlex drive fault and status diagnostics\u003c\/li\u003e\n\u003cli\u003eMaintenance of existing EtherNet\/IP drive networks\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Allen-Bradley 20-COMM-ER EtherNet\/IP Communication Adapter. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Allen-Bradley 20-COMM-ER?\u003c\/strong\u003e\u003cbr\u003eIt is a Rockwell Automation dual-port EtherNet\/IP communication adapter used to connect supported PowerFlex 7-Class drives and SMC motor controllers to industrial Ethernet networks.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eHow many Ethernet ports does the module have?\u003c\/strong\u003e\u003cbr\u003eThe 20-COMM-ER has two Ethernet ports and supports 10 Mbps and 100 Mbps operation in half-duplex or full-duplex modes.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes the 20-COMM-ER support Device Level Ring networks?\u003c\/strong\u003e\u003cbr\u003eYes. The module supports Device Level Ring topology as well as compatible star networks. Ring fault tolerance depends on the overall network design and properly configured DLR components.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhich PowerFlex drives are compatible?\u003c\/strong\u003e\u003cbr\u003eRockwell Automation documents compatibility with PowerFlex 70, 70EC, 700, 700VC, 700H, 700S, 700L, 7000 and 7000-2 drive families, together with selected PowerFlex Digital DC products. Verify the exact host model and firmware before installation.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs the 20-COMM-ER compatible with PowerFlex 753 or 755 drives?\u003c\/strong\u003e\u003cbr\u003eNo. The Rockwell Automation 20-COMM-ER user manual explicitly states that the adapter is not compatible with PowerFlex 750-Series drives. PowerFlex 753 and 755 systems require their own supported network communication arrangements.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan the adapter be used with SMC Flex or SMC-50?\u003c\/strong\u003e\u003cbr\u003eYes. Both SMC Flex and SMC-50 smart motor controllers are included in the manufacturer's compatible-product list. Verify the exact controller configuration and firmware requirements.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between 20-COMM-ER and 20-COMM-E?\u003c\/strong\u003e\u003cbr\u003eThe 20-COMM-ER provides dual Ethernet ports with Device Level Ring support. The 20-COMM-E is a different, single-port EtherNet\/IP adapter with different installation and compatibility capabilities. They should not be assumed interchangeable.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes the 20-COMM-ER require an external power supply?\u003c\/strong\u003e\u003cbr\u003eNo separate network-side power supply is required for standard installation. It receives 5 VDC power from the compatible host through the DPI interface. The user manual lists 482 mA consumption at 5 VDC.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the DPI communication speed?\u003c\/strong\u003e\u003cbr\u003eThe adapter communicates with its host through the Drive Peripheral Interface at 125 kbps or 500 kbps, depending on the supported host configuration.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes the adapter support implicit and explicit messaging?\u003c\/strong\u003e\u003cbr\u003eYes. The 20-COMM-ER supports implicit I\/O messaging for configured data exchange and explicit messaging for supported parameter and diagnostic operations. It also supports up to four pairs of Datalinks.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eHow is the IP address configured?\u003c\/strong\u003e\u003cbr\u003eNetwork addressing can be configured through BOOTP\/DHCP, adapter parameters or supported address switches. Proper subnet mask and gateway settings are needed where required by the industrial network design.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eDoes the 20-COMM-ER have built-in diagnostic functions?\u003c\/strong\u003e\u003cbr\u003eYes. Four status indicators display communication conditions. The embedded web interface can also provide device information, network statistics and diagnostics when web access has been enabled.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCan the module send email fault notifications?\u003c\/strong\u003e\u003cbr\u003eYes. The adapter supports configurable email notifications for selected drive faults, cleared faults and communication or idle events. A suitable SMTP server and network configuration are required.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat are the module dimensions?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer's user manual lists 19 mm height, 86 mm length and 78.5 mm width, with a shipping weight of approximately 150 g.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eThe specified operating range is -10 to +50°C. The relative humidity range is 5% to 95%, noncondensing, and the module must be protected from corrosive or volatile atmospheres.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eIs the Allen-Bradley 20-COMM-ER discontinued?\u003c\/strong\u003e\u003cbr\u003eRockwell Automation identifies the 20-COMM-ER as Active Mature in its product catalog. This is a lifecycle designation and should be checked again when planning long-term equipment maintenance.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering?\u003c\/strong\u003e\u003cbr\u003eConfirm the complete catalog number 20-COMM-ER, dual-port 10\/100 Mbps EtherNet\/IP requirement, DLR topology, compatible PowerFlex or SMC host, DPI interface and firmware, intended controller, network configuration, mounting arrangement and the distinction from 20-COMM-E. Do not select this module for a PowerFlex 750-Series drive.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67714372141135,"sku":"LL1-AB-20COMMER","price":549.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/20-COMM-ER-02.jpg?v=1792033729","url":"https:\/\/yunshuotrade.com\/products\/allen-bradley-20-comm-er-module","provider":"yunshuotrade","version":"1.0","type":"link"}