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Serial to WiFi PUSR IOT's wireless serial to WiFi converters brings RS232/422/485 to your WLAN or LAN. PUSR IOT's serial to WiFi converters allowing nearly any device with a serial port to be connected to and shared on a WLAN.
Serial to WiFi
Serial to WiFi
USR-W610 1 LAN Port Serial to WiFi Converter
● 802.11 b/g/n WiFi serial device server
● Modbus Gateway: Modbus RTU to Modbus TCP, Modbus Polling
● Supports TCP server/client, UDP server/client, HTTPD client
● Hardware WatchDog, 24 hours stable operation.
● 1-port RS232 or RS485 to wifi 
● Serial to WiFi / WiFi to Ethernet converters
USR-W630 2 LAN Port Serial to WiFi Converter
● 802.11 b/g/n WiFi serial device server
● Modbus Gateway: Modbus RTU to Modbus TCP, Modbus Polling
● Supports TCP server/client, UDP server/client, HTTPD client
● Hardware WatchDog, 24 hours stable operation.
● 1-port RS-232 or RS485 to wifi 
● Serial to WiFi / WiFi to Ethernet converters

USR-DR404 Din Rail RS485 to WiFi Converters
● 802.11 b/g/n WiFi serial device server
● Modbus Gateway: Modbus RTU to Modbus TCP
● Supports TCP server/client, UDP server/client,https client, Virtual COM
● TCP/UDP,HTTP, SMS,Modbus,MQTT
● Hardware WatchDog, 24 hours stable operation.
● 1-port RS485 to wifi 
● Serial to WiFi / WiFi to Ethernet converters
Product Commonality
Protection Of Industry
Adopts industrial design, 7*24 hours high load all weather reliable work, to meet the outdoor poor working environment needs.
Support level 4 ESD (static), level 3 surge (surge), level 3 EFT (electrical fast transient), internal process watchdog, and external hardware watchdog to ensure proper operation of equipment and free from interference from external environment.
Serial Data Transmission
The serial port equipment in the field of industrial automation is transformed into the communication mode of Ethernet network to realize the two-way transparent transmission between RS232/485/422 and Ethernet data, and complete the function of remote reading serial port data. Without any processing data, equivalent to a serial cable.
Modbus Transmission
Modbus protocol adopts the mode of master station query slave station. The physical interface can be RS232, RS485, RS422, Rj45, and can also transmit data on various media.
The Modbus polling mechanism can effectively solve the problem of sticky congestion caused by data concurrency.
Multiple Host Access
In the question-and-answer query mode, the network port allows colleagues of multiple hosts to access the same serial port device.
In the host mode, one serial port can be used to communicate with several slave devices at the same time, which is convenient and efficient. However, in slave mode, one communication port can communicate with only one host communication port.
Technical Support
If you need a technical consultation (by phone or email) to help you choose the best Serial to Ethernet for your application, USR IOT is easy to reach and has technical engineers you can talk to.PUSR IOT will wholeheartedly provide you with technical support.
Quality Assurance
For 10 years of advance, we have always been remaining true to the concept of reliability and stability in building our quality strength. Our products have passed the certification of the ISO9001 quality management system. With nearly 100 patents and software copyrights, we have won many certificates from authoritative bodies, such as the Ministry of Industry and Information Technology, CCC, CE, FCC, RoHS, KCC, WEEE, TELEC.
Solutions & Applications
Intelligent Remote Distribution Box Monitoring Solution The distribution box is embedded with the DTU distribution device, distribution device power module, and distribution device power supply. By leveraging the intelligent remote monitoring function, you can remotely collect the electric meter readings and implement networked transmission. In addition, with the help of electricity monitoring platform of USR Cloud, you can manage and control the electricity safety and electric energy over the cloud.
Don't hesitate to contact PUSR.
Reliable products and services around you!
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Email : inquiry@usriot.com
Tel : +86-531-88826739
Fax : +86-531-88826739-808
Address : Floor 12 and 13, CEIBS
of Maolingshan, Lixia District, Jinan,
Shandong, China
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