USR-N540-H7: 4 RS232/485/422 to Ethernet device server của hãng USR hiện đang được BKAII phân phối rộng rãi tại thị trường Việt Nam. USR-N540-H7 được thiết kế theo tiêu chuẩn công nghiệp, nhỏ gọn, dễ dàng lấy được tín hiệu về PLC, máy tính, vi xử lý, máy tính nhúng. Sản phẩm hiện đang được sử dụng trong các bài toán M2M, IoT của các lĩnh vực: Điện lực, khí tượng thủy văn, giao thông thông minh, hệ thống kiểm soát an ninh,…

Tính năng của sản phẩm:
- Supports four serial ports working independently.
- Supports 5-36V wide voltage input, with reverse polarity protection.
- Supports Modbus RTU to Modbus TCP protocol conversion.
- Supports keepalive mechanism to quickly detect the dead connections and reconnect.
- Supports hardware watchdog, automatically restarts when the device goes down.
- Provides remote serial access over the Internet for industrial serial devices
- 10/100Mbps Ethernet port and support Auto MDI/MDIX
- Software selectable RS-232/422/485 3-in-1 serial port(N5X0 models)
- Rugged metal housing with IP30 protection for wall or optional DIN-Rail mount
- Built-in 15KV ESD serial port protection
- Supports a wide industrial operating temperature,-40℃~85℃
- Flexible serial port data framing setting, which can satisfy user’s various demands for data packets segmentation
- Versatile operation modes: TCP Server, TCP Client, UDP, HTTP client, Websocket server
- Support virtual COM ,COM Port Redirector USR-VCOM(windows)
- Firmware upgrading via Web Browser and Windows configuration tool
- Easy-to-use Windows configuration tool for auto discovery, multiple device setting and monitoring
- Choice of power input: AC-DC adapter(DC Jack) or DC direct(Terminal Block)
- High security via certificate verification SSL/TLS encryption for serial data transmission,HTTPS,TCPS,MQTTS
- Support modbus RTU master,edge computing, modbus gateway,MQTT gateway
- Cloud support: MQTT via AWS IOT, Thingsboard, Alibaba Cloud, EMQX, Tuya,Cumulocity IoT and so on
Thông số kỹ thuật của sản phẩm:
|
Item
|
Parameter
|
Description
|
|
Hardware Parameters
|
Input Voltage
|
DC 5.0~36.0V
|
|
Input Current
|
Mean: 76mA@12V>
|
|
Dimensions
|
222*142*29mm (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/ROHS
|
|
Interface Parameters
|
Ethernet Port Spec.
|
RJ45, 10/100Mbps, auto MDI/MDIX
|
|
Ethernet Port No.
|
1
|
|
Serial signals
|
RS-232: TxD, RxD, RTS, CTS, GND RS-422: Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w: A+, B-, GND
|
|
Serial Port No.
|
4
|
|
Serial Baud Rate
|
600~921.6k(bps)
|
|
Data Bit
|
7, 8
|
|
Parity
|
None, Even, Odd, Mark, Space
|
|
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 Protocols
|
TCP,UDP,IPV4,ARP,ICMP,DHCP,NTP,HTTP,TLS/SSL V3,DNS,IGMP,SNMP
V1/V2C,MQTT
|
|
IP Mode
|
Static IP, DHCP
|
|
Modbus Gateway
|
Support
|
|
Websocket
|
Support
|
|
HTTP Client
|
Support
|
|
UDP
Broadcast/Multicast
|
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).
|
|
Ethernet Packets Cache
|
48Kbyte
|
Các bài viết tham khảo:
"BKAII - Thiết bị truyền thông TỐT nhất với giá CẠNH TRANH nhất!"