{"product_id":"ngw-1set-low-cost-tcp-ip-to-rs485-rs232-converter-modbus-gateway","title":"NGW-1set Low Cost TCP\/IP to RS485 RS232 Converter - Modbus Gateway","description":"\u003cp\u003eIn this review the NGW-1set is examined as a low cost serial-to-Ethernet gateway aimed at engineers and integrators who need reliable Modbus bridging without complex configuration. The single biggest reason to buy is straightforward: it converts RS232 and RS485 serial lines to TCP\/IP with simultaneous port operation and native Modbus RTU to Modbus TCP support, making it a practical choice when legacy serial devices must be placed on an Ethernet network. The review focuses on real-world setup, main features, and where this unit is most useful.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual serial ports:\u003c\/strong\u003e RS232 and RS485 ports can operate simultaneously so mixed serial devices can be connected and bridged to Ethernet without swapping adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModbus gateway:\u003c\/strong\u003e Built-in Modbus RTU to Modbus TCP translation and Modbus polling simplify integrating legacy controllers into modern SCADA or PLC networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible flow control:\u003c\/strong\u003e Supports CTS\/RTS hardware flow control and XON\/XOFF software flow control, reducing data loss on busy serial links.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork reliability:\u003c\/strong\u003e Two network links and hardware watchdog support improve uptime for industrial deployments where stable connectivity is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration options:\u003c\/strong\u003e Can be configured through a web page or companion software, allowing both local and remote setup without vendor-only tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe NGW-1set is for industrial technicians, system integrators, and electricians who need an economical way to bring RS232 and RS485 devices onto Ethernet and to translate Modbus protocols. It suits factory floors, building automation, and remote telemetry projects where a compact, dependable serial device server is required.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing a plug-and-play consumer device with phone-style setup, or installations demanding broad vendor firmware ecosystems such as full MQTT\/SSL out of the box unless the special firmware is procured; advanced cloud-first solutions may require a different device.\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\u003eCombines RS232 and RS485 concurrently, removing the need for separate adapters and simplifying mixed-port systems.\u003c\/li\u003e\n\u003cli\u003eIntegrated Modbus RTU to Modbus TCP and polling make it effective as a protocol gateway in SCADA setups.\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade design with TI Cortex-M4-based solution and wide -40~85C operating range for harsh environments.\u003c\/li\u003e\n\u003cli\u003eMultiple indicators and a hardware watchdog enhance reliability and ease of troubleshooting on-site.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMQTT\/SSL requires special firmware, so secure IoT use is not immediate without additional steps or firmware options.\u003c\/li\u003e\n\u003cli\u003eNot a consumer plug-and-play product; professional setup via web or software is expected for full functionality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNGW-1set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial ports\u003c\/td\u003e\n\u003ctd\u003eRS232 and RS485 (dual, operate simultaneously)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol support\u003c\/td\u003e\n\u003ctd\u003eModbus RTU to Modbus TCP, Modbus Polling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow control\u003c\/td\u003e\n\u003ctd\u003eCTS\/RTS hardware, XON\/XOFF software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eIndustrial TI Cortex-M4 solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40~85C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eWeb page or software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe NGW-1set is a practical, value-oriented serial device server for integrators needing to bridge RS232 and RS485 equipment to Ethernet and to translate Modbus protocols. Its simultaneous port operation, industrial design, and web-configurable interface offer a dependable, low cost solution for on-site SCADA and building automation projects, though secure MQTT use requires optional firmware.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan RS232 and RS485 work at the same time?\u003c\/strong\u003e\u003cbr\u003eYes. The NGW-1set supports RS232 and RS485 ports operating simultaneously so mixed serial devices can be connected at once.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support Modbus conversion?\u003c\/strong\u003e\u003cbr\u003eYes. It provides Modbus RTU to Modbus TCP translation and includes Modbus polling functionality for gateway use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs secure MQTT available by default?\u003c\/strong\u003e\u003cbr\u003eNot by default; MQTT and SSL are available via special firmware rather than the standard firmware image.\u003c\/p\u003e","brand":"NGW","offers":[{"title":"Default Title","offer_id":48185190678747,"sku":"B07PXZB7PT","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61PMv48bJML._AC_SL1500.jpg?v=1769654737","url":"https:\/\/gearmusthave.com\/products\/ngw-1set-low-cost-tcp-ip-to-rs485-rs232-converter-modbus-gateway","provider":"GearMustHave","version":"1.0","type":"link"}