{"product_id":"honeywell-2mll-efmt-fast-ethernet-communication-module","title":"Honeywell 2MLL-EFMT Fast Ethernet Communication Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLL-EFMT\u003c\/strong\u003e is a \u003cstrong\u003eFast Ethernet communication module\u003c\/strong\u003e for the \u003cstrong\u003eMasterLogic-200 (ML200)\u003c\/strong\u003e PLC system. It enables high-speed data exchange between the ML200 controller and supervisory systems, SCADA, HMI, and peer PLCs over standard \u003cstrong\u003e10\/100 Mbps Ethernet\u003c\/strong\u003e. Supporting \u003cstrong\u003eTCP\/IP, UDP\/IP, Modbus TCP, HSP, MLDP, and EtherNet\/IP\u003c\/strong\u003e, it serves as the primary communication gateway for Industry 4.0 and IIoT integration.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fast Ethernet Communication Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e MasterLogic-200 \/ ML200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e 10\/100 Mbps RJ45 (auto-negotiation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet Standard:\u003c\/strong\u003e IEEE 802.3U (100Base-TX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess Method:\u003c\/strong\u003e CSMA\/CD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocols Supported:\u003c\/strong\u003e TCP\/IP, UDP\/IP, Modbus TCP, HSP, MLDP, EtherNet\/IP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax CIP Connections:\u003c\/strong\u003e 128 (for EtherNet\/IP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Modbus TCP Connections:\u003c\/strong\u003e 16 concurrent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Network Nodes:\u003c\/strong\u003e Up to 64 nodes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Configuration:\u003c\/strong\u003e Static IP, DHCP, DNS, Gateway\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware Firewall:\u003c\/strong\u003e Configurable via SoftMaster-NM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Auto scan, ping test, frame monitor, connection monitor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicators:\u003c\/strong\u003e RUN, I\/F, HS, P2P, ERR, TX, RX, 10\/100 Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 22 mm x 124 mm x 126 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 105 g (0.105 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +55°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-protocol support\u003c\/strong\u003e — native Modbus TCP, EtherNet\/IP, HSP, and MLDP eliminates the need for protocol converters, reducing integration cost and complexity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e128 CIP connections\u003c\/strong\u003e — high connection density enables simultaneous communication with multiple SCADA clients, HMIs, and peer controllers without connection pooling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware-configurable firewall\u003c\/strong\u003e — built-in IP filtering and access control via SoftMaster-NM protects the PLC from unauthorized network access and cyber threats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDHCP support\u003c\/strong\u003e — dynamic IP addressing simplifies integration with existing IT infrastructure and reduces commissioning time in large plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive diagnostics\u003c\/strong\u003e — auto scan, ping test, and frame monitor tools enable rapid network fault isolation without external protocol analyzers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSCADA integration for water treatment and wastewater plants\u003c\/li\u003e\n\u003cli\u003eExperion PKS\/DCS integration via MLDP protocol\u003c\/li\u003e\n\u003cli\u003eModbus TCP gateway for third-party device integration\u003c\/li\u003e\n\u003cli\u003ePeer-to-peer controller communication in distributed architectures\u003c\/li\u003e\n\u003cli\u003eIIoT data aggregation for cloud-based analytics platforms\u003c\/li\u003e\n\u003cli\u003eHMI\/operator panel connectivity on packaging and assembly lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall in CPU base only\u003c\/strong\u003e — the 2MLL-EFMT must be installed in the CPU main base (2MLB-MxxA); it cannot reside on expansion bases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Cat5e\/Cat6 cable\u003c\/strong\u003e — use standard shielded twisted-pair Ethernet cable to connect the RJ45 port to your network switch or SCADA server.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigure IP address\u003c\/strong\u003e — use SoftMaster-NM software to set the static IP, subnet mask, gateway, and DNS server (or enable DHCP for dynamic assignment).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnable firewall rules\u003c\/strong\u003e — configure IP address filtering and port access rules to restrict unauthorized network access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect protocol\u003c\/strong\u003e — enable Modbus TCP server, HSP, or MLDP depending on your supervisory system requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify communication\u003c\/strong\u003e — ping the module from your PC and confirm the I\/F LED illuminates green. Test Modbus register read\/write using a standard client.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLL-EFMT and 2MLL-EFMTB?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e2MLL-EFMT\u003c\/strong\u003e is the \u003cstrong\u003estandard\u003c\/strong\u003e Fast Ethernet module. The \u003cstrong\u003e2MLL-EFMTB\u003c\/strong\u003e is a \u003cstrong\u003evariant\u003c\/strong\u003e (possibly with different firmware revision or connector orientation). Both support 10\/100 Mbps and identical protocols. Verify your system BOM for the exact suffix required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLL-EFMT and 2MLL-EFMF?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e2MLL-EFMT\u003c\/strong\u003e uses \u003cstrong\u003etwisted pair (UTP\/RJ45)\u003c\/strong\u003e for copper Ethernet. The \u003cstrong\u003e2MLL-EFMF\u003c\/strong\u003e uses \u003cstrong\u003efiber optic\u003c\/strong\u003e for long-distance or high-EMI Ethernet connections. Choose EFMF for \u0026gt;100 m runs or electrically noisy environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this on an expansion base?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003eNo.\u003c\/strong\u003e Honeywell specifies that the FEnet (Fast Ethernet) module can \u003cstrong\u003eonly reside on the CPU base\u003c\/strong\u003e. It cannot be installed on expansion bases due to backplane bandwidth allocation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum cable distance?\u003c\/strong\u003e\u003cbr\u003e\nA: Standard \u003cstrong\u003e100 meters\u003c\/strong\u003e per IEEE 802.3U 100Base-TX specification. For longer distances, use fiber optic conversion or the 2MLL-EFMF fiber Ethernet module.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this module support OPC UA?\u003c\/strong\u003e\u003cbr\u003e\nA: The 2MLL-EFMT supports \u003cstrong\u003eModbus TCP\u003c\/strong\u003e natively. For OPC UA, use an OPC server gateway (e.g., Kepware or Matrikon) that translates Modbus TCP to OPC UA.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChoose \u003cstrong\u003e2MLL-EFMT\u003c\/strong\u003e for \u003cstrong\u003estandard copper Ethernet\u003c\/strong\u003e communication within 100 meters of the network switch.\u003c\/li\u003e\n\u003cli\u003eFor \u003cstrong\u003efiber optic Ethernet\u003c\/strong\u003e (\u0026gt;100 m or high-EMI), select \u003cstrong\u003e2MLL-EFMF\u003c\/strong\u003e instead.\u003c\/li\u003e\n\u003cli\u003eVerify your \u003cstrong\u003eSCADA protocol\u003c\/strong\u003e — if using Honeywell Experion, enable MLDP; if using third-party SCADA, enable Modbus TCP.\u003c\/li\u003e\n\u003cli\u003eAlways use \u003cstrong\u003eshielded Cat5e or Cat6 cable\u003c\/strong\u003e in industrial environments to prevent EMI-induced communication errors.\u003c\/li\u003e\n\u003cli\u003eEnsure your \u003cstrong\u003enetwork switch supports 10\/100 Mbps auto-negotiation\u003c\/strong\u003e; forced 1 Gbps settings will cause link failures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53959347110072,"sku":"2MLL-EFMT","price":187.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/2MLL-EFMT.png?v=1787197675","url":"https:\/\/www.globalpetroparts.com\/products\/honeywell-2mll-efmt-fast-ethernet-communication-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}