1. Prodott Aktarview
The waveshare RS232/485/422 to RJ45 Ethernet Converter is an industrial-grade isolated serial server designed for reliable bi-directional data transmission between RS232/485/422 serial devices and Ethernet networks. It supports Power over Ethernet (PoE) functionality, offering flexible power supply options and robust communication modes for various industrial applications.

Figura 1.1: Quddiem view of the Waveshare RS232/485/422 to RJ45 Ethernet Converter, showing the Ethernet port, serial ports, and power input.

Figura 1.2: Diagram illustrating key features including industrial isolation, rail-mount capability, Modbus Gateway, MQTT & JSON support, multi-host support, multiple interfaces, three power supply methods, and host/webkonfigurazzjoni tal-paġna.
2. Karatteristiċi ewlenin
- Konnettività versatili: Supports RS232, RS485, and RS422 interfaces for broad compatibility with serial devices.
- Ethernet Integration: RJ45 Ethernet port with 10/100M auto-negotiation and 2 KV surge protection.
- Qawwa fuq Ethernet (PoE): Complies with IEEE 802.3af standard for convenient power supply via Ethernet cable.
- Flexible Power Input: Supports DC 6~36V wide voltage range via screw terminal or DC power port.
- Iżolament Industrijali: Features power isolation and signal isolation for enhanced reliability in harsh environments.
- Modbus Gateway Support: Facilitates Modbus networking upgrades and integration with Modbus RTU/TCP.
- Multi-Communication Modes: Supports TCP Server, TCP Client, UDP, and UDP Multicast operating modes.
- Konverżjoni tal-Protokoll: Flexible conversion between different protocols, including MQTT/JSON to Modbus.
- Funzjonijiet Avvanzati: Includes Multi Hosts Roll-Polling, User-Defined Heartbeat/Registration Packet, and NTP Protocol Support.
- Multiple Configuration Methods: Configurable via host software, web browser, or device management functions library.
- Disinn Durabbli: Aluminium alloy enclosure with sand blasting and anodic oxidation for solid and durable construction.
- Appoġġ għall-Immuntar fuq il-Ferrovija: Designed for easy rail-mounting in industrial setups.
3. Speċifikazzjonijiet
| Kategorija | Parametru | Valur |
|---|---|---|
| Tip ta' Prodott | Funzjoni | Server tas-serje, Modbus Gateway, MQTT Gateway |
| Funzjoni Primarja | Trażmissjoni tad-Data | Trażmissjoni ta' dejta trasparenti bidirezzjonali bejn RS232/485/422 u Ethernet |
| Interface tal-Komunikazzjoni | Port RS232 | 1 |
| Port RS485 | 1 | |
| Port RS422 | 1 | |
| Port Ethernet | 1 (PoE, IEEE 802.3af, 10/100M auto-negotiation, RJ45, 2 KV surge protection) | |
| Provvista tal-Enerġija | Input Voltage | DC 6 ~ 36V (screw terminal or PoE port) |
| Protezzjoni tal-Iżolament | Iżolament tal-enerġija, Iżolament tas-sinjal | |
| Serial Parameters | Rata Baud | 300 ~ 115200 bps |
| Bit Parità | Xejn, Odd, Even, Mark, Space | |
| Bits tad-Data | 5 ~ 9 bits | |
| Kontroll tal-Fluss | Ebda kontroll tal-fluss | |
| Software | Protokolli | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS |
| Metodu ta 'Konfigurazzjoni | Ospitanti, Web browser, Device management functions library | |
| Metodu ta' Komunikazzjoni | Komunikazzjoni diretta TCP/IP, VCOM | |
| Modalità Operattiva | Server TCP, klijent TCP (koeżistenti mas-server TCP), UDP, UDP multicast | |
| Temperatura operattiva | Firxa | -40℃ ~ 85℃ |
| Medda ta 'Umdità | Umdità Relattiva | 5% ~ 95% |
| Dimensjonijiet | L × W × H | 88.7 × 64.5 × 24.2 mm (3.49 x 2.85 x 0.95 pulzieri) |
| Piż | Piż tal-oġġett | 5.6 uqija |
| Numru tal-Mudell | Mudell tal-Manifattur | RB-Wav-734 |
4. Kontenut tal-Pakkett
L-oġġetti li ġejjin huma inklużi fil-pakkett tal-prodott:
- RS232/485/422 TO POE ETH (B) Converter x1
5. Setup u Installazzjoni
5.1 Għażliet tal-Provvista tal-Enerġija
The device offers three methods for power supply:
- PoE (Enerġija fuq Ethernet): Connect an Ethernet cable from a PoE-enabled switch or injector to the RJ45 Ethernet port. The device supports IEEE 802.3af standard.
- Port tal-Enerġija DC: Connect a DC power adapter (6~36V) to the DC power jack.
- Terminal bil-kamin: Connect a DC power source (6~36V) to the screw terminal block. Ensure correct polarity (VCC and GND).

Figura 5.1: Illustration of the PoE Ethernet port, DC power port, and screw terminal for power input, along with diagrams showing bi-directional data transmission between serial and Ethernet interfaces.
5.2 Installazzjoni fuq Binarju
The converter is designed for easy installation on a DIN rail. Locate the rail-mount buckle on the device and securely attach it to a standard DIN rail in your industrial setup.

Figura 5.2: Image demonstrating the rail-mount buckle for easy integration into industrial environments, alongside details of the aluminum alloy enclosure and multiple protection features.
5.3 Konnessjonijiet tal-Interface
Identify the following interfaces on the device:
- Port RS232: Standard DB9 male connector for RS232 serial communication. Refer to the pinout diagram for correct wiring.
- RS485/RS422 Port: Screw terminal block for RS485 (A, B) and RS422 (TX+, TX-, RX+, RX-) connections.
- Port tal-Ethernet PoE: RJ45 connector for network and optional PoE power.
- Buttuna Irrisettja: Small button for resetting the device to factory defaults or restarting.

Figura 5.3: Dettaljati view of the device interfaces including the RS232 port, PoE Ethernet port, DC power port, 6-36V power input, ground, signal ground, RS485/RS422 terminals, and reset button. Also includes outline dimensions and RS232 pinout definition.
RS232 Pinout Definition
| DB9 Male (PIN) | PIN RS232 |
|---|---|
| 2 | (RXD) |
| 3 | (TXD) |
| 5 | GND |
| 1, 4, 6, 7, 8, 9 | N/C |
6. Istruzzjonijiet Operattivi
6.1 Metodi ta' Konfigurazzjoni
L-apparat jista' jiġi kkonfigurat bl-użu ta' diversi metodi:
- Softwer Ospitanti: Use the dedicated configuration software provided by waveshare to set up network parameters, serial parameters, and operating modes.
- Web Browser: Aċċess għall-apparat web interface billi ddaħħal l-indirizz IP tagħha f'a web browser. This method supports obtaining dynamic IP via DHCP and DNS protocol support.
- Librerija tal-Funzjonijiet tal-Ġestjoni tal-Apparat: For advanced integration, utilize the provided functions library.

Figura 6.1: Diagram illustrating multi-configuration methods via host software, web browser, and device management functions library, along with concepts like Multi Hosts Roll-Polling, User-Defined Heartbeat/Registration Packet, and NTP Protocol Support.
6.2 Modi ta' Komunikazzjoni
The converter supports various communication modes to suit different network topologies and application requirements:
- Server tat-TCP: The device acts as a TCP server, listening for incoming connections from TCP clients. It supports up to 30 TCP connections simultaneously.
- Klijent TCP: The device initiates a TCP connection to a specified TCP server. It can coexist with TCP server mode.
- UDP: The device sends and receives UDP packets. This mode is suitable for multi-network device communication.
- Multikast tal-UDP: Supports sending data to a group of devices simultaneously.

Figura 6.2: Visual representation of TCP Server, TCP Client, UDP Server, and UDP Client communication modes, along with Modbus Gateway support and MQTT/JSON to Modbus conversion.
6.3 Modbus Gateway Functionality
The device functions as a Modbus Gateway, enabling seamless integration of Modbus RTU/ASCII devices into Modbus TCP networks. It is suitable for Modbus networking upgrades and can be configured using specific software.
6.4 MQTT/JSON to Modbus Conversion
For enhanced flexibility, the converter supports MQTT/JSON to Modbus conversion. This allows data from cloud platforms (e.g., Baidu Cloud MQTT, Alibaba Cloud MQTT) or JSON formatted data to be parsed and converted into Modbus packets for uploading or integration with Modbus devices.
6.5 Multi Hosts Roll-Polling
This feature allows the device to identify and respond to different network devices respectively, preventing crosstalk issues when communicating with multiple network devices.
6.6 Pakkett ta' Taħbit tal-Qalb/Reġistrazzjoni Definit mill-Utent
Configure custom heartbeat and registration packets for easy cloud communication and device identification on the network.
6.7 Appoġġ għall-Protokoll NTP
The device supports NTP (Network Time Protocol) for obtaining accurate network time information, which can be useful for data logging and synchronization.
7. Manutenzjoni u Soluzzjoni ta' Problemi
7.1 Manutenzjoni Ġenerali
- Keep the device in a clean, dry environment within the specified operating temperature and humidity ranges.
- Żgura ventilazzjoni xierqa madwar l-apparat biex tevita sħana żejda.
- Regularly check cable connections for secure fit and signs of damage.
- Naddaf il-barra tal-apparat b'ċarruta ratba u niexfa. Tużax prodotti tat-tindif likwidi.
7.2 Soluzzjoni ta' Problemi Kwistjonijiet Komuni
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Apparat mhux mixgħul | Ebda provvista tal-enerġija; Volum mhux korretttage; Faulty cable/PoE source. | Verify power connection and voltage (6-36V DC). Check PoE source if using PoE. Try a different power method. |
| Ebda konnettività tan-netwerk | Ethernet cable disconnected/damaged; Incorrect IP settings; Network configuration issue. | Check Ethernet cable. Verify device IP address and network settings using configuration software or web interface. Ensure network switch/router is functioning. |
| Falliment fil-komunikazzjoni tas-serje | Incorrect serial port settings (baud rate, parity, data bits); Incorrect wiring; Device not in correct operating mode. | Verify serial parameters match the connected device. Check RS232/485/422 wiring. Ensure the device is in the appropriate TCP/UDP operating mode. |
| L-apparat ma jirrispondix | Software glitch; Configuration error. | Press the reset button to restart the device. If issues persist, perform a factory reset (refer to manual for specific procedure) and reconfigure. |
8. Sigurtà u Protezzjoni
The device incorporates multiple protection mechanisms to ensure safe and stable operation:
- Iżolament Diġitali: Isolates digital signals to prevent interference.
- Protezzjoni ESD: Electrostatic Discharge protection to prevent damage from static electricity.
- Protezzjoni ta' kurrent żejjed: Jipproteġi kontra fluss eċċessiv ta' kurrent.
- Vol-żejjedtage Protezzjoni: Salvagwardji kontra l-voltage spikes.
- TVS (Transient Voltage Suppression) Tube: Jrażżan b'mod effettiv il-volum taż-żieda fil-volumtage u volum massimu tranżitorjutage in the circuit, enhancing lightning protection and ESD resistance.
- Built-in Resettable Fuse and Protection Diode: Ensures stable output current and voltage, il-prevenzjoni ta' kurrent żejjed u volum żejjedtage.

Figura 8.1: Diagram highlighting digital isolation, ESD protection, over-current protection, over-voltage protection, and TVS protection, along with the durable aluminum alloy enclosure.
9. Garanzija u Appoġġ
For development resources and technical support, please contact waveshare customer service. Information regarding warranty terms and conditions can typically be found on the manufacturer's official webis-sit jew billi tikkuntattja lit-tim ta’ appoġġ tagħhom direttament.

Figura 9.1: Illustration of waveshare's support for batch customization, including label, hardware, and software customization, indicating comprehensive manufacturer support.





