USR-N520 Serial RS232/RS485/RS422 TCP RJ45 Converter Modbus Multi-host Polling

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USR-N520 Serial RS232/RS485/RS422 TCP RJ45 Converter Modbus Multi-host Polling
Product Description
USRIOT USR-N520 Serial to Ethernet Server TCP IP Converter Double Serial Device RS232 RS485 RS422 DHCP/Modbus Multi-host Polling
USR-N520 is a double serial device server,which can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.
Introduction of Serial Device Server
USR-N520 is a double serial device server,which can realize transparent transmission between TCP/UDP data package and RS232/RS485/RS422 interface.The device has unique functions such as network printing,Modbus multi-host polling and watchdog mechanism. USR-N520 is based on ARM processor and it is internally integrated with TCP/IP protocol.User can easily realize embedded device networking.
Features of Serial Device Server
Cortex-M4 kernel,industrial working temperature range and TCPIP protocol stack.
Auto-MDI/MDIX,RJ45 port with 10/100Mbps
TCP Server,TCP Client,UDP Client,UDP Server and HTTPD Client work mode
Support network printing
Support Modbus multi-host polling
Two ports can work independently at the same time
Support Modbus RTU to Modbus TCP
Can distinguish which serial port connects to the device via port number
Support virtual serial port and provide corresponding software USR-VCOM
Serial baud rate from 600bps to 230.4K bps;Check bit of None,Odd,Even,Mark and Space
DNS and DHCP supported
Provide PC TCP/IP socket programming example such as VB,C++,Delphi,Android and IOS
Built-in webpage;also can customize webpage for users
Reload button,one key to restore default settings
RJ45 with Link/Data indicator light,built-in isolation transformer and 2 KV electromagnetic isolation
The global unique MAC address bought from IEEE (begin with D8-B0-4C);user can define MAC address
Support upgrade firmware via network
Support keepalive,rapidly detect dead links
Support account and password,can be used to page login and network settings
Support one channel Websocket,realize bidirectional transparent transmission between webpage and serial 0
Two serial ports;each serial can work as rs232,rs485 or rs422;DB9 female;provide rs485/rs422 converter
Two channel serial communication indicator: TX/RX
Support DC adapter and 5.08-2 terminal power supply
Support UDP broadcast function
Application Field of Serial Device Server
Industrial data transmission, industrial automation
security and protection monitoring, public security
Smart home, power control, environmental monitoring, intelligent agriculture
Door check on work attendance system,
POS system, rice selling system
Building automation system, power monitoring, self-service banking system, telecom machine room monitoring
Work Mode of Serial Device Server
Application of Serial Device Server
Images of Serial Device Server
Shipping:
Total price < 22usd will sent normal post, add 2-3usd for a tracking number,  >22usd by registered mail for free
Gross weight >2kg, size > 90CM, send with 2 parcels/ EMS or others express delivery without special notice.
Buyer should contact seller before shipping if there is any special requests
Notice:
Dear buyer, Thank you for your support and cooperate all the time. We are devoting ourselves to offer the best products and service,if you are satisfied with our products or service,please leave us a positive feedback or 5 score DSR.Your support and trust is extremely important to us,thank you!
If you have any questions,please feel free to contact us,please believe us,we can help you sovle the problems.thanks!
Paying tax is every good citizen’s obligation, as the customs duty policies are different in different countries, seller can not
guarantee for 100% free tax,some of the parcels might be held by customs for casual inspection and the customs may ask
for tax.
Taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.
Seller does not take responsibility for the tax and cannot accept negative/neutral feedback or low score DSR (<5) or case
for this reason.Thank you for your understanding and support.
Payment
Delivery details
Terms of sales
About us
Contact us
Payment
we only received paypal.
Delivery details
Total price < 22usd will sent normal post, add 2-3usd for a tracking number, >22usd by registered mail for free
Gross weight >2kg, size > 90CM, send with 2 parcels/ EMS or others express delivery without special notice.
We will ship to USA via USPS service, it normally takes about 10-15 working days.
For other countries, we will offer shipping methods. Economy Int'l Shipping(Hong Kong registered air mail) which has not  a tracking number.
Due to Standard Int'l Shipping has a tracking number, both of us can  check the status of the packages, so we strongly recommend
Standard Int'l Shipping
.
Buyer should contact seller before shipping if there is any special requests.
Country
Approx. Delivery Time
Working Days (Not including Holiday)
5-8
9-12
13-16
17-19
20-22
Resend or Refund
Working Says (Including the Weekends)
5-9
10-14
16-20
18-23
25-30
United States
Rates( Item Arrived)
8.5%
54.3%
28.0%
9.2%
4.0%
＞30
United Kindom
Rates( Item Arrived)
12.0%
60.5%
28.3%
5.2%
3.0%
＞3
5
Canada
Rates( Item Arrived)
4.0%
48.2%
28%
15.3%
5.5%
＞45
France
Rates( Item Arrived)
10.3%
24.2%
47.4%
13.1%
6.0%
＞45
Australia
Rates( Item Arrived)
20.8%
51.0%
14.0%
10.0%
5.0%
＞3
5
Germany
Rates( Item Arrived)
12.1%
25.1%
23.6%
34.0%
6.2%
＞45
Spain
Rates( Item Arrived)
2.2%
27.3%
45.3%
16.1%
10.1%
＞45
Italy
Rates( Item Arrived)
2.0%
23.2%
48.5%
20.1%
12.1%
＞45
Paying tax is every good citizen’s obligation, as the customs duty policies are different in different countries, seller can not
guarantee for 100% free tax,some of the parcels might be held by customs for casual inspection and the customs may ask
for tax.
Taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.
Seller does not take responsibility for the tax and cannot accept negative/neutral feedback or low score DSR (<5) or case
for this reason.Thank you for your understanding and support.
Terms of sales
· Unhappy with the purchasing? Please contact us before you leave feedback. We will try our best to help you solve any problem. If there is nothing wrong with the items, but you change your mind,you can return the items to us and must keep in the original box. Buyer should pay for the returning shipping costs, and we will only refund of the items value (not including shipping).
· Items damaged or missing parts when arrival. Please offer us the photo of the items you received with the package (the side has invoice on it), we will replace it or resend.
· All items are tested or checked to make sure they are working properly before we ship them to our customers. You are guaranteed by our 100% satisfaction on all products. Please understand that RC helicopters and airplanes can crash if mistakenly made or you do not know how to fly, any kind of crash or hard landing may caused damage(s) to the helicopter or plane. We can not control over your flying skill, behavior or the conditions you have chosen to fly in. We tested all products before shipment as we stated above, if you have any problem with the aircraft or other product(s) you ordered from us, please report it and send us vedio at the time when you received the shipment (not after use please). Customer will be responsible for the return shipping cost to send return back to us.
About us
Contact us
Notice:
Dear buyer, Thank you for your support and cooperate all the time. We are devoting ourselves to offer the best products and service,if you are satisfied with our products or service,please leave us a positive feedback or 5 score DSR.Your support and trust is extremely important to us,thank you!
If you have any questions,please feel free to contact us,please believe us,we can help you sovle the problems.thanks!
We have been a professional eBay seller for years. You are assured that your goods will be delivered to you in a speedy and satisfying way. Our friendly staff will also assist you to ensure your buying process easy and smooth!
Please contact us through
eBay
link for any questons. We will reply you ASAP, if no response for you within 48 hours, please check the spam in your mail box.