Rhombus Access Control System
Industrial isolated RS485 dual serial port Module RS485 to RJ45 Ethernet port/PoE port Modbus gateway bidirectional transparent transmission
Industrial isolated RS485 dual serial port Module RS485 to RJ45 Ethernet port/PoE port Modbus gateway bidirectional transparent transmission
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Product Overview
A dual RS485 device data collector/IoT gateway specifically designed for industrial applications, featuring simultaneous operation of dual RS485 ports without interference. It integrates multiple functions such as a serial server, Modbus gateway, MQTT gateway, RS485 to JSON converter, and network switch. Equipped with dual RS485 and dual Ethernet interfaces (with PoE function version available as an option), the power supply interface adopts a 5.5mm outer diameter and 21mm inner diameter, with terminal block power access. The device boasts a din-rail housing design, offering compact size, easy installation, and high cost-effectiveness. It is suitable for applications in data collection, IoT gateway, security IoT, and intelligent instrument monitoring.
Comparison of parameters between the two versions
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Model |
2-CH RS485 TO ETH (B) |
2-CH RS485 TO POE ETH (B) |
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Product Type |
Serial Server, Modbus Gateway, MQTT Gateway |
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Basic Function |
Realize bidirectional transparent transmission function of RS485 to Ethernet |
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Communication Interface |
RS485 x 2, Ethernet Port x 2 |
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Power Supply |
DC 5.5 Power Interface, Terminal Block DC 6-45V |
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Without PoE Ethernet Port Power Supply |
With PoE Ethernet Port Power Supply |
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Isolation Protection |
Power Isolation, Signal Isolation Protection |
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Communication Interface |
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Ethernet |
Normal Ethernet Port |
PoE Ethernet Port, Supports IEEE 802.3af Standard |
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10/100M Auto-negotiation RJ45 Interface, 2 KV Surge Protection |
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Serial Port |
Isolated RS485 (2 Channels Can Transmit and Receive Independently at the Same Time) |
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Serial Port Parameters |
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Baud Rate |
300 ~ 115200 bps |
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Parity |
None, Odd, Even, Mark, Space |
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Data Bits |
5 ~ 9 bits |
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Flow Control |
No Flow Control |
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Software |
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Protocol |
ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS |
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Configuration Method |
PC Configuration, WEB Browser, Device Management Function Library |
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Communication Method |
TCP/IP Direct Communication, Virtual Serial Port Mode |
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Working Mode |
TCP Server, TCP Client (TCP Server Coexists at the Same Time), UDP, UDP Multicast |
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Others |
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Operating Temperature |
-40℃~ 85℃ |
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Humidity Range |
5% ~ 95% Relative Humidity |
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Product Dimension |
L x W H: 78x72.5x24.2 mm |
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Hardware Instructions
Network port description: Both network ports have the same function. One port can be used for communication, while the other is used for routing cascading
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Indicator light description |
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PWR |
Power indicator light |
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NET |
Network indicator light, flashing when connected to Ethernet |
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LINK1 |
Illuminates when establishing a connection for Channel 1 |
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ACT1 |
Illuminates when data is being transmitted from Channel 1 |
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LINK2 |
Illuminates when establishing a connection for channel 2 |
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ACT2 |
Illuminates when data is being transmitted on channel 2 |
