{"product_id":"moxa-mgate-mb3280-2-port-serial-to-ethernet-modbus-gateway-reliable","title":"MOXA MGate MB3280 2-Port Serial-to-Ethernet Modbus Gateway - Reliable","description":"\u003cp\u003eIn this review of the MOXA MGate MB3280 the bottom line is simple: this device is for engineers and integrators who need a compact, dependable way to bridge serial Modbus devices to Ethernet networks. The reviewer found the MB3280 excels at straightforward field deployment, with \u003cstrong\u003eeasy hardware setup\u003c\/strong\u003e and Auto-Device Routing that removes much of the typical configuration friction. It converts between Modbus TCP and Modbus RTU\/ASCII while supporting multiple masters, making it a practical choice when legacy serial equipment must be maintained on a modern network.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 serial ports:\u003c\/strong\u003e Two RS-232\/422\/485 ports provide flexible physical connections to a wide range of Modbus field devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol conversion:\u003c\/strong\u003e Converts between Modbus TCP and Modbus RTU\/ASCII so older serial devices can be integrated into Ethernet SCADA or control systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Device Routing:\u003c\/strong\u003e Simplifies configuration by detecting devices and routing automatically, reducing commissioning time on site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible routing:\u003c\/strong\u003e Route by TCP port or IP address to fit different network topologies and deployment needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcurrent masters supported:\u003c\/strong\u003e Handles up to 16 simultaneous TCP masters with up to 32 requests per master, enabling busier networks to poll devices in parallel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe MB3280 is aimed at industrial IT and control technicians who must connect legacy Modbus RTU or ASCII devices to Ethernet-based control systems. It suits small to medium installations where a single Ethernet uplink and two serial links cover multiple field nodes.\u003c\/p\u003e\n\u003cp\u003eUsers who need rack-mounted high-density gateways or devices with a large number of Ethernet ports should look elsewhere; this model is compact and optimized for specific serial-to-Ethernet bridging rather than large-scale aggregation.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable conversion between Modbus TCP and Modbus RTU\/ASCII for preserving legacy equipment investments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Device Routing\u003c\/strong\u003e reduces manual configuration and speeds installation in the field.\u003c\/li\u003e\n\u003cli\u003eSupports flexible routing by TCP port or IP, which helps integrate with varied network setups.\u003c\/li\u003e\n\u003cli\u003eSupports multiple simultaneous TCP masters so polling can be parallelized on busy networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly one Ethernet port and two serial ports limit use in larger, high-density installations where more ports are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eMOXA MGate MB3280 - 2 Ports Serial-to-Ethernet Modbus Gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMoxa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial ports\u003c\/td\u003e\n\u003ctd\u003e2 x RS-232\/422\/485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet ports\u003c\/td\u003e\n\u003ctd\u003e1 x Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol conversion\u003c\/td\u003e\n\u003ctd\u003eModbus TCP \u003cbr\u003eto Modbus RTU\/ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRouting\u003c\/td\u003e\n\u003ctd\u003eRoute by TCP port or IP address; Auto-Device Routing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConcurrent masters\u003c\/td\u003e\n\u003ctd\u003eUp to 16 TCP masters; up to 32 requests per master\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe MOXA MGate MB3280 is a compact, dependable gateway for firms that must maintain serial Modbus devices on modern Ethernet networks. It offers clear value through \u003cstrong\u003eeasy hardware setup\u003c\/strong\u003e and Auto-Device Routing that reduce commissioning time, and its multi-master support keeps polling efficient. Buy this if you need a focused serial-to-Ethernet bridge; seek higher-port models for large-scale deployments.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this gateway convert Modbus RTU to Modbus TCP?\u003c\/strong\u003e\u003cbr\u003eYes. The MB3280 converts between Modbus TCP and Modbus RTU\/ASCII to connect legacy serial devices to Ethernet systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many serial devices can it handle concurrently?\u003c\/strong\u003e\u003cbr\u003eIt has two serial ports and supports multiple simultaneous TCP masters, with up to 32 requests per master, enabling several devices to be polled in parallel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it easy to configure on site?\u003c\/strong\u003e\u003cbr\u003eYes. The device supports Auto-Device Routing and routing by TCP port or IP address to simplify field setup and integration.\u003c\/p\u003e","brand":"Moxa","offers":[{"title":"Default Title","offer_id":48195494215899,"sku":"B079SYLRRK","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/31tdm_CpbqL._AC.jpg?v=1770233697","url":"https:\/\/gearmusthave.com\/products\/moxa-mgate-mb3280-2-port-serial-to-ethernet-modbus-gateway-reliable","provider":"GearMustHave","version":"1.0","type":"link"}