USR-DR404Din-Rail RS485 to WiFi Ethernet Serial Device Server
USR-DR404 is a Din-rail WiFi serial device server which can realize bidirectional transparent transmission between RS485 and WiFi / Ethernet.
- Standard Din-rail, Industrial-grade
- Hardware Protection
- Based on wifi network
- Support modbus gateways
Specifications
| Parameter | Value |
|---|---|
| Ethernet | |
| Port Number | 1 Ethernet Ports: 1 x WAN/LAN |
| Buffer | RX/TX: Max 4K bytes |
| Protection | 2KV Electromagnetic isolation for Ethernet port |
| Speed Rate | 10/100Mbps, MDI/MDIX |
| WiFi | |
| Certificate | FCC/CE |
| WiFi | 802.11 b/g/n |
| Frequency Range | 2.412GHz-2.484GHz |
| TransmitPower | 802.11b: +19dBm(Max.@11Mbps) 802.11g: +18dBm(Max.@54Mbps) 802.11n: +17dBm(Max.@HT20,MCS7) +17dBm(Max.@HT40,MCS7) |
| User can configure power | |
| ReceiveSensitivity | 802.11b: -89dBm(@11Mbps) 802.11g: -81dBm(@54Mbps) 802.11n: -73dBm(@HT20,MCS7) -71dBm(@HT40,MCS7) |
| Hardware | |
| InterfaceStandard | RS485:300～230.4Kbps |
| 485 interface (anti surge, anti thunder, overcurrent protection) |
|
| Input Voltage | DC5～36V |
| Operating Temp | -40℃～85℃ |
| Storage Temp | -40℃～125℃ |
| Size | 109.66*28*64.71mm(L*W*H) |
| Software | |
| Network Mode | Station/AP/AP+Station |
| Security | WPA-PSK/WPA2-PSK |
| Encryption | TKIP/AES |
| Work Mode | Transparent transmission/Serial command/ HTTP Client/Modbus TCP<=>Modbus RTU |
| Setting Command | AT+ command |
| Networking Protocol | TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP |
| Max Client Numberin TCP Server Mode | 24 |
| Configuration | Web server＋AT command |
| Customer application software | Support customize application software |