Waveshare RS232/485/422 TO POE ETH (B)
RS232 / 485 / 422 To RJ45 Ethernet Module
Industrial Isolated, Rail-mount RS232/485/422 Serial Server
Features At A Glance
This is an RS232/485/422 device data acquisitor / IoT gateway designed for an industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc. The module features RS232/485/422 and an Ethernet port with PoE function, uses a DC port (outer diameter: 5.5mm, inner diameter: 21mm), and screw terminals for power input. The case with rail-mount support, is small in size, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...
Specifications
| PRODUCT | RS485 TO ETH (B) | RS485 TO POE ETH (B) | RS232/485/422 TO POE ETH (B) |
|---|---|---|---|
| Product Type | Serial server, Modbus Gateway, MQTT Gateway | ||
| Basic Function | Bi-directional transparent data transmission between RS485 and Ethernet | Bi-directional transparent data transmission between RS232/485/422 and Ethernet | |
| Communication interface | RS485 port × 1, Ethernet port × 1 | RS232 port × 1; RS485 port × 1; RS422 port × 1; Ethernet port × 1 | |
| Power supply | 9 ~ 24V DC screw terminal | 6 ~ 36V DC screw terminal, or PoE port | DC power port, 6 ~ 36V DC screw terminal, or PoE port |
| Isolation Protection | N/C | Power isolation, Signal isolation | |
| COMMUNICATION | |||
| Ethernet | common network port | PoE network port, supports IEEE 802.3af standard | |
| 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection | |||
| Serial port | RS485 | Isolated RS485 | Isolated RS232/485/422 |
| SERIAL 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 functions library | ||
| Communication method | TCP/IP direct communication, VCOM | ||
| Operating mode | TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast | ||
| ENVIRONMENT REQUIREMENT | |||
| Operating temperature | -40℃ ~ 85℃ | ||
| Humidity range | 5% ~ 95% relative humidity | ||
| Dimensions | L × W × H: 87 × 36 × 59 mm | L × W × H: 88.7 × 72.5 × 24.2 mm | |
Primary Function
Bi-Directional Transparent Data Transmission Between RS232/485/422 And Ethernet
Three Different Interfaces
Onboard RS232 / 485 / 422 Interfaces, Suitable For More Application Scenarios
Ethernet Port To RS232/485/422
The Ethernet Port Can Send Data To Three Serial Ports At The Same Time
RS232 / 485 / 422 To Ethernet Port
Only One Of The RS232, RS485, And RS422 Can Send Data To The Ethernet Port At The Same Time
Three Methods For Power Supply
Support PoE Ethernet Port Power Supply, Suitable For IEEE 802.3af PoE Standard
Support Screw Terminal And DC Power Port For Power Supply, DC 6~36V Wide Voltage Range Input
Rail-Mount Support
Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely
Modbus Gateway Support
Suitable For Modbus Networking Upgrade, Can Be Used With Specific Configuration Software
Multi Communication Modes
Supports TCP Server / TCP Client / UDP Mode / UDP Multicast
MQTT/JSON To Modbus
More Flexible Conversion Between Different Protocols
When used as an MQTT gateway, the devices can upload serial data to the MQTT server by MQTT protocol through transparent transmission, supported servers including Baidu Cloud MQTT, Alibaba Cloud MQTT, China Mobile OneNet, etc. The acquired Modbus RTU or non-standard serial data can be parsed into JSON format and packaged into an MQTT data packet for uploading.
When used as a JSON data acquisition gateway, the devices can be connected to data acquisition instruments through an RS485 connection, then acquire data automatically, convert the data into JSON format, and finally post it to the server. The acquired data supports Modbus RTU 645-instrument-97 version and 645-instrument-07 version, as well as sorts of 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, and so on.
Multi Hosts Roll-Polling Support
Different Network Devices Will Be Identified And Responded Respectively,
No More Crosstalk Issue While Communicating With Multi Network Devices
User-Defined Heartbeat/Registration Packet
Easy For Cloud Communication And Device Identification
NTP Protocol Support
Getting Network Time Info For Serial Output Or Data Upload
Multi Configuration Methods
Supports Web Browser Configuration, Obtaining Dynamic IP Via DHCP,
DNS Protocol Connected Domain Server Address
Multiple Protection, Safe And Stable
Onboard power supply and signal isolation, can provide stable isolation voltage with high reliability and strong anti-interference. Built-in TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient peak voltage in the circuit, lightning proof & ESD protection. Built-in resettable fuse and protection diode to ensure a stable output of current and voltage prevents over-current and over-voltage proof, improves shock resistance
Aluminium Alloy Enclosure
Aluminium Alloy Enclosure With Sand Blasting And Anodic Oxidation
Solid And Durable, Fashion And Good Hand Feeling
Interface Introduction
Outline Dimensions
Support Batch Customization
Support Software And Hardware Customization
Including Hardware Interface, LOGO, Label, Case Web Page, Etc.
Resources & Services
Wiki: www.waveshare.com/wiki/RS232/485/422_TO_POE_ETH_(B)
Selection Guide
| RS485 TO ETH | RS485 TO ETH (B) | RS485 TO POE ETH (B) | RS232 TO ETH (B) | RS232 TO POE ETH (B) | RS232/485/422 TO POE ETH (B) | RS485 TO WIFI/ETH | RS232/485 TO ETH | |
|---|---|---|---|---|---|---|---|---|
| ETHERNET | ||||||||
| RJ45 Ethernet | 10/100Mbps auto-negotiation | |||||||
| POE | - | supported | - | supported | - | |||
| WIFI interface | - | 802.11b/g/n 2.4GHz | - | |||||
| UART | ||||||||
| Type | RS485 | RS232 | RS232/485/422 | RS485 | RS232+RS485 (allows concurrent operation) | |||
| Baudrate | 600bps~230.4Kbps | 300bps ~ 115.2Kbps | 300bps ~ 460.8Kbps | 600bps~230.4Kbps | ||||
| Hardware flow | NOT supported | supported | ||||||
| Data bit | 5, 6, 7, 8 | |||||||
| Stop bit | 1, 2 | |||||||
| Parity bit | None, Even, Odd, Space, Mark | |||||||
| INTERFACE PROTECTION | ||||||||
| Power supply | reverse-proof, ESD protection, anti-surge | |||||||
| Ethernet | 1.5KV electromagnetic isolation | |||||||
| RS485 | 2KV ESD protection, 2.2KΩ pull up/down registers | 2KV anti-surge | 600W anti-surge, lightning proof, anti-electrostatic 15KV | anti-surge, lightning proof, over-current protection | 2KV ESD protection, 2.2KΩ pull up/down registers | |||
| Other | - | - | Power isolation, signal isolation protection | - | lightningproof, over-current protection | |||
| OPERATING MODE | ||||||||
| Type | TCP Server, TCP Client, UDP Server, UDP Client, etc. | |||||||
| TCP Server | customizable 1~16 Clients | supports 30 Clients | supports 24 Clients | supports 2-ch Socket, 8 Clients per ch | ||||
| MISC | ||||||||
| Features | customized heartbeat packets, customized registration packets, customized webpage, RFC2217-like protocol, KeepAlive, timeout auto reboot, short connection, firmware upgrade via network | |||||||
| - | Modbus gateway, MQTT/JSON to Modbus | Modbus gateway, MQTT, HTTP Client | Modbus gateway, Websocket (webpage to serial) | |||||
| Configuration | Built-in webpage, Host computer config software, Serial commands | |||||||
| Power supply | 5~7V | 9~24V | 6~36V | 5~36V | ||||
| Operating current | 110mA@5V | 15mA@12V | 39mA@12V | 20mA@12V | 40mA@12V | 127mA@5V | 86.5mA@5V | |
| Operating temp. | -25～75℃ | -40～85℃ | ||||||
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