4-CH RS485 TO POE ETH Adapter (B) (26361)
4-CH RS485 TO POE ETH Adapter (B) (26361)
SKU: 2637
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Description
Details
4-CH RS485 to RJ45 Ethernet Serial Server, 4-CH RS485 Independent Operation, Industrial Isolated Rail-Mount Module, Bidirectional Transparent Transmission, Modbus Gateway, Optional PoE Function
Industrial Isolated 4-CH RS485 to RJ45 Ethernet Serial Server
4-CH RS485 To Ethernet, Supports Modbus/MQTT/JSON, Metal Rail-Mount Case
Features At A Glance
This is a multi-functional data acquisition device / IoT gateway with 4-ch RS485 and an Ethernet port (PoE version optional), compact in size, easy to install, and cost-effective. It is suitable for applications such as data acquisition, IoT gateway, safety & IoT, smart instrument monitoring, meeting diverse application scenarios.
- 4-CH RS485 can operate independently without mutual interference at the same time, providing more efficient data transmission
- Combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc.
- Adopts screw terminal for stable power input
- Wall-mount and rail-mount case design, easy to install for quick deployment and expansion
Version Options
4-CH RS485 TO ETH (B)
4-CH RS485 + Normal Network Port + Electrical Isolation
4-CH RS485 TO POE ETH (B)
4-CH RS485 + PoE Network Port + Electrical Isolation
Specifications
| Parameter | 4-CH RS485 TO ETH (B) | 4-CH RS485 TO POE ETH (B) |
|---|---|---|
| Description | 4-CH RS485 + Normal Network Port + Electrical Isolation | 4-CH RS485 + PoE Network Port + Electrical Isolation |
| Product Type | Serial server, Modbus gateway, MQTT gateway | |
| Basic Function | Bidirectional transparent data transmission between RS485 and Ethernet | |
| Communication Interface | RS485 port × 4, Network port × 1 | |
| Power Supply | DC 6–45V screw terminal | DC 6–45V screw terminal or PoE port |
| Isolation Protection | Power isolation, signal isolation | |
| Communication | ||
| Ethernet | RJ45 | RJ45 with PoE support, complies with IEEE 802.3af |
| Ethernet Details | 10/100M auto-negotiation RJ45 connector, 2KV surge protection | |
| Serial Port | Isolated RS485 (4 channels can receive and transmit independently at the same time) | |
| Serial Port Specification | ||
| Baudrate | 300–115200 bps | |
| Parity Bit | none, odd, even, mark, space | |
| Data Bit | 5–9 bits | |
| Flow Control | N/A | |
| Software | ||
| Protocol | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS | |
| Configuration | host, web browser, device management function library | |
| Communication Method | TCP/IP direct communication, VCOM | |
| Operating Mode | TCP server, TCP client (coexists with TCP server), UDP, UDP multicast | |
| Other Parameters | ||
| Operating Temperature | –40°C–85°C | |
| Humidity Range | 5–95% RH | |
| Dimensions | L × W × H: 91.0 × 64.5 × 24.2 mm | |
Basic Function
Bidirectional Transparent Data Transmission Between 4-CH RS485 And Ethernet
Multiple Power Supply Options
Supports PoE network port power supply*, complies with IEEE 802.3af PoE standard
Supports screw terminal for power supply, wide voltage input range DC 6–45V
* This function is available on PoE version only
Industrial-Oriented Serial Server
Industrial rail-mount design, supports wall-mount and rail-mount, compact size, easy to install, cost-effective
Modbus Gateway Support
Suitable for Modbus network upgrading, can be used with specific configuration software
Multiple Communication Modes
Supports TCP Server / TCP Client / UDP Multicast / UDP Mode
* Note: This module has 4 channels, and each channel supports the above functions separately
MQTT/JSON To Modbus
More flexible conversion between different protocols
When used as an MQTT gateway, devices can upload serial data to the MQTT server via MQTT protocol through transparent transmission. Supported servers include Baidu Cloud MQTT, Alibaba Cloud MQTT, China Mobile OneNet, etc. Received Modbus RTU or non-standard serial data can be parsed in JSON format and packaged into an MQTT data packet for uploading.
When used as a JSON data acquisition gateway, devices can be connected to data acquisition instruments via RS485 connection, then automatically acquire data, convert data into JSON format, and finally send to the server. The acquired data supports Modbus RTU meter 645 version 97, meter 645 version 07, as well as various non-standard RS485 protocols. The uploaded data format can be configured via the host, and the JSON upload protocol can be MQTT protocol, HTTP POST protocol, HTTP GET protocol, etc.
Multi Host Polling Support
Different network devices will be identified and respond separately,
no more cross-talk problem when communicating with multiple network devices
Custom Heartbeat / Registration Packet
Easy for cloud communication and device identification
NTP Protocol Support
Acquire network time information for serial output or data uploading
Multiple Configuration Methods
Supports web browser configuration, dynamic IP acquisition via DHCP,
DNS protocol connected to domain server address
Multiple Protections, Safe & Stable Operation
Built-in power isolation and signal isolation, can provide stable isolated voltage with high reliability and strong anti-interference. Built-in transient voltage suppression (TVS) tube can effectively suppress surge voltage and transient peak voltage in the circuit, lightning protection and ESD protection. Built-in resettable fuse and protection diode to ensure stable current and voltage output, prevent over-current and over-voltage, improve shock resistance performance
Aluminum Alloy Case
Aluminum alloy case with sandblasting and anodic oxidation
Solid and durable, fashionable and nice touch feeling
Interface Introduction
Product Show
* For reference only, please refer to the package content for detailed part list
Outline Dimensions
Batch Customization Support
Supports software and hardware customization
Including hardware interface, LOGO, label, casing, and web page, etc.
Selection Guide
| Model | Network Port | Isolation Protection | Serial Port Type | Power Supply Methods | Voltage Range | Dimensions (L × W × H) |
|---|---|---|---|---|---|---|
 RS485 TO ETH (B) |
Normal Network Port | — | Single Serial Server | Screw terminal | DC 9–24V | 87.0 × 36.0 × 59.0 mm |
 RS485 TO POE ETH (B) |
PoE Network Port | Power isolation, signal isolation | Single Serial Server | Screw terminal + PoE port |
Description
Details
4-CH RS485 to RJ45 Ethernet Serial Server, 4-CH RS485 Independent Operation, Industrial Isolated Rail-Mount Module, Bidirectional Transparent Transmission, Modbus Gateway, Optional PoE Function
Industrial Isolated 4-CH RS485 to RJ45 Ethernet Serial Server
4-CH RS485 To Ethernet, Supports Modbus/MQTT/JSON, Metal Rail-Mount Case
Features At A Glance
This is a multi-functional data acquisition device / IoT gateway with 4-ch RS485 and an Ethernet port (PoE version optional), compact in size, easy to install, and cost-effective. It is suitable for applications such as data acquisition, IoT gateway, safety & IoT, smart instrument monitoring, meeting diverse application scenarios.
- 4-CH RS485 can operate independently without mutual interference at the same time, providing more efficient data transmission
- Combines multiple functions in one, including serial server, Modbus gateway, MQTT gateway, and RS485 to JSON, etc.
- Adopts screw terminal for stable power input
- Wall-mount and rail-mount case design, easy to install for quick deployment and expansion
Version Options
4-CH RS485 TO ETH (B)
4-CH RS485 + Normal Network Port + Electrical Isolation
4-CH RS485 TO POE ETH (B)
4-CH RS485 + PoE Network Port + Electrical Isolation
Specifications
| Parameter | 4-CH RS485 TO ETH (B) | 4-CH RS485 TO POE ETH (B) |
|---|---|---|
| Description | 4-CH RS485 + Normal Network Port + Electrical Isolation | 4-CH RS485 + PoE Network Port + Electrical Isolation |
| Product Type | Serial server, Modbus gateway, MQTT gateway | |
| Basic Function | Bidirectional transparent data transmission between RS485 and Ethernet | |
| Communication Interface | RS485 port × 4, Network port × 1 | |
| Power Supply | DC 6–45V screw terminal | DC 6–45V screw terminal or PoE port |
| Isolation Protection | Power isolation, signal isolation | |
| Communication | ||
| Ethernet | RJ45 | RJ45 with PoE support, complies with IEEE 802.3af |
| Ethernet Details | 10/100M auto-negotiation RJ45 connector, 2KV surge protection | |
| Serial Port | Isolated RS485 (4 channels can receive and transmit independently at the same time) | |
| Serial Port Specification | ||
| Baudrate | 300–115200 bps | |
| Parity Bit | none, odd, even, mark, space | |
| Data Bit | 5–9 bits | |
| Flow Control | N/A | |
| Software | ||
| Protocol | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS | |
| Configuration | host, web browser, device management function library | |
| Communication Method | TCP/IP direct communication, VCOM | |
| Operating Mode | TCP server, TCP client (coexists with TCP server), UDP, UDP multicast | |
| Other Parameters | ||
| Operating Temperature | –40°C–85°C | |
| Humidity Range | 5–95% RH | |
| Dimensions | L × W × H: 91.0 × 64.5 × 24.2 mm | |
Basic Function
Bidirectional Transparent Data Transmission Between 4-CH RS485 And Ethernet
Multiple Power Supply Options
Supports PoE network port power supply*, complies with IEEE 802.3af PoE standard
Supports screw terminal for power supply, wide voltage input range DC 6–45V
* This function is available on PoE version only
Industrial-Oriented Serial Server
Industrial rail-mount design, supports wall-mount and rail-mount, compact size, easy to install, cost-effective
Modbus Gateway Support
Suitable for Modbus network upgrading, can be used with specific configuration software
Multiple Communication Modes
Supports TCP Server / TCP Client / UDP Multicast / UDP Mode
* Note: This module has 4 channels, and each channel supports the above functions separately
MQTT/JSON To Modbus
More flexible conversion between different protocols
When used as an MQTT gateway, devices can upload serial data to the MQTT server via MQTT protocol through transparent transmission. Supported servers include Baidu Cloud MQTT, Alibaba Cloud MQTT, China Mobile OneNet, etc. Received Modbus RTU or non-standard serial data can be parsed in JSON format and packaged into an MQTT data packet for uploading.
When used as a JSON data acquisition gateway, devices can be connected to data acquisition instruments via RS485 connection, then automatically acquire data, convert data into JSON format, and finally send to the server. The acquired data supports Modbus RTU meter 645 version 97, meter 645 version 07, as well as various non-standard RS485 protocols. The uploaded data format can be configured via the host, and the JSON upload protocol can be MQTT protocol, HTTP POST protocol, HTTP GET protocol, etc.
Multi Host Polling Support
Different network devices will be identified and respond separately,
no more cross-talk problem when communicating with multiple network devices
Custom Heartbeat / Registration Packet
Easy for cloud communication and device identification
NTP Protocol Support
Acquire network time information for serial output or data uploading
Multiple Configuration Methods
Supports web browser configuration, dynamic IP acquisition via DHCP,
DNS protocol connected to domain server address
Multiple Protections, Safe & Stable Operation
Built-in power isolation and signal isolation, can provide stable isolated voltage with high reliability and strong anti-interference. Built-in transient voltage suppression (TVS) tube can effectively suppress surge voltage and transient peak voltage in the circuit, lightning protection and ESD protection. Built-in resettable fuse and protection diode to ensure stable current and voltage output, prevent over-current and over-voltage, improve shock resistance performance
Aluminum Alloy Case
Aluminum alloy case with sandblasting and anodic oxidation
Solid and durable, fashionable and nice touch feeling
Interface Introduction
Product Show
* For reference only, please refer to the package content for detailed part list
Outline Dimensions
Batch Customization Support
Supports software and hardware customization
Including hardware interface, LOGO, label, casing, and web page, etc.
Selection Guide
| Model | Network Port | Isolation Protection | Serial Port Type | Power Supply Methods | Voltage Range | Dimensions (L × W × H) |
|---|---|---|---|---|---|---|
RS485 TO ETH (B) |
Normal Network Port | — | Single Serial Server | Screw terminal | DC 9–24V | 87.0 × 36.0 × 59.0 mm |
RS485 TO POE ETH (B) |
PoE Network Port | Power isolation, signal isolation | Single Serial Server | Screw terminal + PoE port |
