Serial to Ethernet Converter USR-N520-H7-6 Introduction of 2 Port Serial Device Server
USR-N520 is 2 serial Port RS232/RS485 Secure Serial Device Server which can connect RS-232/485 serial devices to the TCP/IP network. It supports bi-directional communication.
Features of USR-N520-H7-6
● Independent 2 serial ports.(3-in-1 serial port RS232/RS485/RS422 Optional)
● 5-36V wide voltage input.
● Modbus RTU to Modbus TCP, Modbus Polling, Modbus to JSON
● Flow control CTS/RTS, XON/XOFF
● Secure Client Operation Mode: TCPS, HTTPS. MQTTS
● SSL/TLS Encryption
● Modbus RTU Master, Edge computing
● Hardware watchdog, automatically restarts when the device goes downn
TCP Server
Serial to Ethernet servers USR-N520 listens on the setting port and waits for a TCP client connection.
The data which the serial ports sent out transparently.
Transmit to all connected TCP clients via USR-N520.
UDP Mode
Serial to Ethernet servers USR-N520 will transmit serial data from serial device to target network device by UDP connection.
USR-N520 will listen to port and transmit all received data to serial device.
HTTPD Client
Supports https Client mode which can transmit serial data to the https server in https format(GET/POST).
150*98.8*30 mm (L*W*H, including terminals and mounting ears)
Installation
Panel mounting
Ground Screw
1
Operating
Temperature
-40~85℃
Storage Temperature
-40~105℃
Operating Humidity
5%~95% RH(non-condensing)
Storage Humidity
5%~95% RH(non-condensing)
Certifications
CE/FCC/ROSH
Interface
Parameters
Ethernet Port Spec.
RJ45, 10/100Mbps, auto MDI/MDIX
Ethernet Port No.
1
Serial signals
RS232: RXD, TXD, GND, RTS, CTS
RS485:A+,B-,GND
Serial Port No.
2
Serial Baud Rate
600-230.4K(bps)
Data Bit
7, 8
Parity
None, Even, Odd
Flow Control
None, RTS/CTS (RS-232 only), XON/XOFF
RS-485 Pull-up and
Pull-down Resistor
2.2KΩ
Hardware
Protection
ESD-IEC61000-4-2
Level 4
Air±15KV, contact±8KV
Surge-IEC61000-4-5
level 3
±2KV
EFT-IEC61000-4-4
Level 3
±2KV
Software
Parameters
Network Protocol
IP/TCP/UDP/ARP/ICMP/IPV4/DHCP/DNS
IP Mode
Static IP, DHCP
Modbus Gateway
Support
Websocket
Support
HTTP Client
Support
UDP Broadcast
Support
User Configuring
Setup utility, webpage, AT commands
Serial Packets Cache
Dynamic packet cache. For example:
When the packet length is 10 byte, the serial port can cache
450 packets(4.5KB). When the packet length is 1460 bytes, the serial port can
cache 10 packets(14.6KB).
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