1. ആമുഖം
The waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server, Model 4-CH RS485 TO POE ETH (B), is a multi-functional industrial device designed for data acquisition and IoT gateway applications. It features four independent RS485 channels, allowing for effective and isolated data transmission. This module integrates functionalities such as a serial server, Modbus gateway, MQTT gateway, and RS485 to JSON conversion, making it suitable for diverse industrial network environments. Its robust design includes power supply and signal isolation, along with comprehensive protection features, ensuring stable and reliable operation.
വീഡിയോ 1: കഴിഞ്ഞുview of the waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server. This video demonstrates the device's key features and applications, highlighting its multi-functional capabilities and robust design for industrial use.
2. പാക്കേജ് ഉള്ളടക്കം
അൺപാക്ക് ചെയ്യുമ്പോൾ, ഇനിപ്പറയുന്ന എല്ലാ ഇനങ്ങളും ഉൾപ്പെടുത്തിയിട്ടുണ്ടെന്ന് ദയവായി ഉറപ്പാക്കുക:
- 1x 4-CH RS485 TO POE ETH (B) Module
- 1x Rail-mount buckle
- 1x സ്ക്രൂഡ്രൈവർ
- 1x Screws pack (4 screws)
ചിത്രം 1: Illustration of the waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server and its included accessories, such as the rail-mount buckle, screwdriver, and screws.
3. Features at a Glance
The 4-Ch RS485 to RJ45 Ethernet Serial Server offers a comprehensive set of features for industrial communication needs:
- Independent RS485 Channels: Four RS485 channels operate independently, ensuring efficient and isolated data transmission without mutual interference.
- മൾട്ടി-ഫങ്ഷണൽ ഇന്റഗ്രേഷൻ: Combines serial server, Modbus gateway, MQTT gateway, and RS485 to JSON functionalities.
- Stable Power Input: Utilizes a screw terminal for reliable and stable power connection.
- ഫ്ലെക്സിബിൾ മൗണ്ടിംഗ്: Supports both wall-mount and rail-mount installations for quick deployment and expansion in industrial settings.
- Industrial Isolation: Features power isolation and signal isolation for enhanced reliability and anti-interference.
- PoE Ethernet Port: Includes a Power over Ethernet (PoE) enabled RJ45 port for simplified power and data connectivity (PoE version only).
- Multi-Host Support: Designed to prevent crosstalk while communicating with multiple network devices.
- ക്രമീകരിക്കാവുന്നത്: പിന്തുണയ്ക്കുന്നു web browser configuration, DHCP, DNS, and device management functions library.
ചിത്രം 2: Visual representation of the core features, including industrial isolation, rail-mount capability, Modbus gateway, 4-channel independent RS485, and multiple power supply methods.
4 സ്പെസിഫിക്കേഷനുകൾ
Detailed technical specifications for the 4-CH RS485 TO POE ETH (B) module:
| വിഭാഗം | സ്പെസിഫിക്കേഷൻ |
|---|---|
| ഉൽപ്പന്ന തരം | Serial server, Modbus Gateway, MQTT Gateway |
| അടിസ്ഥാന പ്രവർത്തനം | Bi-directional transparent data transmission between RS485 and Ethernet |
| ആശയവിനിമയ ഇൻ്റർഫേസ് | RS485 port x 4, Ethernet port x 1 |
| വൈദ്യുതി വിതരണം | DC 6 - 45V screw terminal, or PoE port |
| ഒറ്റപ്പെടൽ സംരക്ഷണം | Power isolation, Signal isolation |
| ഇഥർനെറ്റ് | RJ45 10 / 100M auto-negotiation, 2 KV surge protection, IEEE 802.3af compliant (PoE) |
| സീരിയൽ പോർട്ട് | Isolated RS485 (4 channels can receive and transmit independently) |
| ബ ud ഡ്രേറ്റ് | 300 - 115200 bps |
| പാരിറ്റി ബിറ്റ് | None, odd, even, mark, space |
| ഡാറ്റ ബിറ്റ് | 5 - 9 bits |
| ഒഴുക്ക് നിയന്ത്രണം | N/A |
| പ്രോട്ടോക്കോൾ | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS |
| കോൺഫിഗറേഷൻ | Host, web browser, device management functions library |
| ആശയവിനിമയ രീതി | TCP/IP direct communication, VCOM |
| ഓപ്പറേറ്റിംഗ് മോഡ് | TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast |
| പ്രവർത്തന താപനില | -40°C ~ 85°C |
| ഈർപ്പം പരിധി | 5% - 95% relative humidity |
| അളവുകൾ | L × W × H: 91.0 × 64.5 × 24.2 mm |
| ഇനത്തിൻ്റെ ഭാരം | 7.4 ഔൺസ് |
ചിത്രം 3: A comprehensive table outlining the technical specifications and version options for the waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server.
5. സജ്ജീകരണം
Follow these steps to set up your waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server:
5.1. പവർ കണക്ഷൻ
- ഡിസി പവർ ഇൻപുട്ട്: Connect a DC 6-45V power supply to the V+ and V- screw terminals. Ensure correct polarity.
- PoE (പവർ ഓവർ ഇഥർനെറ്റ്): If using the PoE version, connect a PoE-enabled Ethernet cable to the RJ45 port. This will provide both power and data connectivity.
5.2. നെറ്റ്വർക്ക് കണക്ഷൻ
- Connect a standard RJ45 Ethernet cable from your network switch or router to the Ethernet port on the module.
- The module defaults to static IP addresses in the range of 192.168.1.200-192.168.1.204. It is recommended to initially set up the device on an isolated network to avoid IP conflicts.
5.3. RS485 Device Connection
- Connect your RS485 devices to the corresponding A+, B-, and Signal Ground terminals for each of the four RS485 channels.
- Ensure correct wiring polarity (A+ to A+, B- to B-) for proper communication.
5.4. പ്രാരംഭ കോൺഫിഗറേഷൻ
- Access the device's configuration interface via a web browser by entering its default IP address (e.g., 192.168.1.200).
- Alternatively, use the provided VirCom software (available from the Waveshare Wiki) to discover and configure the device on your network.
- You can change the IP settings to DHCP or assign a static IP within your network range.
ചിത്രം 4: Diagram illustrating the primary function of bi-directional data transmission, multi-power supply options (PoE and screw terminal), and the industrial rail-mount design.
6. പ്രവർത്തന നിർദ്ദേശങ്ങൾ
The 4-Ch RS485 to RJ45 Ethernet Serial Server supports various operating modes and protocols:
6.1. Multi Communication Modes
- TCP Server: Supports up to 30 concurrent TCP connections. The module listens on configured ports, and data from serial devices is transferred to connected TCP clients.
- TCP Client: Allows concurrent connection to up to 7 target IPs. It can also function as a server simultaneously, supporting 22 concurrent client connections. It establishes bi-directional transparent transfer between the server and serial device.
- UDP Multicast: In UDP multicast mode, the module sends and receives data to and from a multicast group, reducing network load.
- UDP Mode: The module communicates with specific IP and port numbers, improving data transfer accuracy.
6.2. Modbus Gateway Support
The module functions as a Modbus gateway, facilitating communication between Modbus TCP and Modbus RTU devices. This is ideal for upgrading Modbus networking infrastructure.
6.3. MQTT/JSON to Modbus Conversion
When used as an MQTT gateway, the device can upload serial data to an MQTT server via transparent transmission. It supports various cloud platforms. Acquired Modbus RTU or non-standard serial data can be parsed into JSON format and packaged into MQTT data packets for uploading. As a JSON data acquisition gateway, it can connect to data acquisition instruments via RS485, acquire data, convert it to JSON, and post it to a server. The uploaded data format can be configured via host, and the JSON upload protocol can be MQTT, HTTP POST, HTTP GET, etc.
6.4. Multi Hosts Roll-Polling Support
This feature ensures that different network devices are identified and responded to respectively, preventing crosstalk when communicating with multiple network devices.
6.5. User-Defined Heartbeat/Registration Packet
Facilitates easy cloud communication and device identification through user-defined heartbeat and registration packets.
6.6. NTP Protocol Support
Supports Network Time Protocol (NTP) for obtaining network time information or for data upload synchronization.
6.7. Multi Configuration Methods
The module can be configured using various methods, including a web browser interface, obtaining dynamic IP via DHCP, and DNS protocol connected domain server address. A device management functions library is also available.
ചിത്രം 5: വിഷ്വൽ കഴിഞ്ഞുview of advanced features such as MQTT/JSON to Modbus conversion, multi-host roll-polling, NTP protocol support, and various configuration methods.
7. ഇന്റർഫേസ് ആമുഖം
Understanding the physical interfaces and indicators is crucial for proper operation:
7.1. Physical Interfaces
- RST ബട്ടൺ: Used to reset the device to factory default settings.
- DC 6-45V പവർ ഇൻപുട്ട്: Screw terminals for connecting external DC power (V+, V-).
- RS485 Ports (1-4): Each port has A+, B-, and Signal Ground terminals for connecting RS485 devices.
- PoE ETH Port: RJ45 connector for Ethernet and Power over Ethernet (PoE) input.
7.2. സൂചക വിവരണം
- PWR (Power Indicator): ഉപകരണം ഓണാക്കുമ്പോൾ പ്രകാശിക്കുന്നു.
- NET (Network Indicator): Blinks when connected to the Ethernet network.
- LINKx (Link Indicator): Lights up when a connection is established on the corresponding RS485 channel (x=1, 2, 3, 4).
- ACTx (Activity Indicator): Lights up when data is being transmitted on the corresponding RS485 channel (x=1, 2, 3, 4).
ചിത്രം 6: വിശദമായി view of the device's interfaces, including the reset button, power input, RS485 terminals, Ethernet port, and a description of the LED indicators (PWR, NET, LINKx, ACTx).
8. Multiple Protection, Safe And Stable
The module is designed with multiple protection mechanisms to ensure high reliability and strong anti-interference capabilities:
- Digital Isolation: Provides isolation for digital signals.
- ESD സംരക്ഷണം: Electrostatic Discharge protection.
- ഓവർ-കറൻ്റ് പരിരക്ഷ: Safeguards against excessive current.
- ഓവർ-വോളിയംtagഇ സംരക്ഷണം: വോള്യത്തിൽ നിന്ന് സംരക്ഷിക്കുന്നുtagഇ സ്പൈക്കുകൾ.
- TVS Protection: Built-in Transient Voltage Suppression (TVS) tube effectively suppresses surge voltage and transient peak voltagസർക്യൂട്ടിൽ ഇ.
- Resettable Fuse & Protection Diode: Ensures stable output of current and voltage, preventing over-current and over-voltage, and improving shock-proof performance.
9. Aluminium Alloy Enclosure
The device features a durable aluminum alloy enclosure with sandblasting and anodic oxidation treatment. This robust construction provides solid protection, a good hand feeling, and supports both wall-mount and rail-mount installations for industrial environments.
10. ഔട്ട്ലൈൻ അളവുകൾ
The physical dimensions of the module are as follows:
- നീളം (എൽ): 91.0 മി.മീ
- വീതി (W): 64.5 മി.മീ
- ഉയരം (H): 24.2 മി.മീ
ചിത്രം 7: Diagram showing the precise outline dimensions of the module in millimeters, along with information on batch customization support.
11. പരിപാലനം
To ensure the longevity and optimal performance of your waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server, consider the following maintenance guidelines:
- പതിവ് പരിശോധന: Periodically check all cable connections (power, Ethernet, RS485) to ensure they are secure and free from damage.
- പരിസ്ഥിതി നിയന്ത്രണം: Operate the device within the specified operating temperature (-40°C ~ 85°C) and humidity (5% - 95% relative humidity) ranges. Avoid exposure to extreme conditions, dust, and moisture.
- വൃത്തിയാക്കൽ: Keep the device clean and free from dust accumulation. Use a soft, dry cloth for cleaning. Do not use liquid cleaners.
- ഫേംവെയർ അപ്ഡേറ്റുകൾ: Check the official Waveshare website or Wiki periodically for any available firmware updates. Applying updates can improve performance, add features, or fix bugs.
- പവർ സൈക്ലിംഗ്: If the device becomes unresponsive, perform a power cycle (disconnect and reconnect power) as a first troubleshooting step.
12. പ്രശ്നപരിഹാരം
This section addresses common issues you might encounter with the waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server:
12.1. No Power / Power LED Off
- പവർ സപ്ലൈ പരിശോധിക്കുക: Ensure the DC 6-45V power supply is correctly connected to the screw terminals and is providing the correct voltage.
- Check PoE: If using PoE, verify that the Ethernet cable is connected to a PoE-enabled port on your switch/injector and that the PoE source is active.
- വയറിംഗ് പരിശോധിക്കുക: Confirm that the power wires are securely fastened in the screw terminals and that there are no shorts or breaks.
12.2. No Network Connectivity / NET LED Not Blinking
- ഇഥർനെറ്റ് കേബിൾ: Ensure the RJ45 Ethernet cable is securely connected to both the module and your network device. Try a different cable.
- നെറ്റ്വർക്ക് കോൺഫിഗറേഷൻ: The device defaults to static IPs (192.168.1.200-192.168.1.204). Ensure your PC is on the same subnet (e.g., 192.168.1.x) to access the web interface or use the VirCom software.
- IP Conflicts: If other devices on your network use the default IPs, configure the module on an isolated network first, then change its IP settings.
- DHCP Settings: If configured for DHCP, ensure a DHCP server is available on your network.
12.3. RS485 Communication Failure / ACTx LED Not Blinking
- വയറിംഗ്: Double-check the RS485 wiring (A+ to A+, B- to B-) between the module and your serial devices. Ensure Signal Ground is also connected if required.
- സീരിയൽ പാരാമീറ്ററുകൾ: Verify that the baud rate, parity bit, and data bit settings on the module match those of your connected RS485 devices.
- ഉപകരണ വിലാസം: For Modbus or other protocols, ensure correct device addressing and commands are being used.
- ഐസൊലേഷൻ: While the module provides isolation, ensure external RS485 devices are also properly isolated or grounded to prevent ground loops.
12.4. Cannot Access Configuration Interface
- സ്ഥിരസ്ഥിതി ഐപി: Confirm you are using the correct default IP address (e.g., 192.168.1.200) or the IP you previously assigned.
- നെറ്റ്വർക്ക് കണക്ഷൻ: Ensure your PC is on the same subnet as the module.
- VirCom Software: Use the Waveshare VirCom software to discover the device's IP address if it's unknown.
- ഫയർവാൾ: Temporarily disable your computer's firewall to rule out blocking access.
- പുന et സജ്ജമാക്കുക: If all else fails, press the RST button to restore factory default settings (this will reset the IP to default).
For more detailed troubleshooting and advanced configurations, please refer to the official Waveshare Wiki for the 4-CH RS485 TO POE ETH (B) module.
13. വാറൻ്റിയും പിന്തുണയും
This waveshare product is designed for reliability and performance. For specific warranty terms and conditions, please refer to the purchase documentation or contact your vendor. Waveshare provides technical support and resources to assist with product usage and troubleshooting.
13.1. സാങ്കേതിക പിന്തുണ
For technical assistance, detailed documentation, and software downloads, please visit the official Waveshare website or their product Wiki. The Wiki often contains comprehensive guides, examples, and FAQs that can help resolve complex issues.
13.2. ബന്ധപ്പെടാനുള്ള വിവരങ്ങൾ
You can typically find contact information for Waveshare support on their official website. Please have your product model (4-CH RS485 TO POE ETH (B)) and any relevant purchase details ready when seeking support.
