User Manual: waveshare RS232/485 to WiFi and Ethernet Converter

1. ആമുഖം

This manual provides comprehensive instructions for the waveshare RS232/485 to WiFi and Ethernet Converter, Model UART-WIFI232-B2. This device is an industrial-grade data acquisition and IoT gateway, integrating multiple functionalities such as serial server, Modbus gateway, MQTT gateway, and serial port to HTTPD Client. It facilitates seamless communication between serial devices and network environments (WiFi and Ethernet).

The converter supports various communication methods, including serial port to WiFi, serial port to Ethernet, and Ethernet to WiFi, making it a versatile solution for industrial automation and IoT applications.

ചിത്രം 1.1: ഓവർview of the waveshare RS232/485 to WiFi and Ethernet Converter highlighting its industrial grade, RS232/485 to network, multi-transparent transmission modes, HTTPD/MQTT, Modbus Gateway, WiFi, RJ45 Ethernet Port, multi-features, and wall/rail-mount support.

2 സുരക്ഷാ വിവരങ്ങൾ

• വൈദ്യുതി വിതരണം വോളിയം ഉറപ്പാക്കുകtage (DC 6~36V) is within the specified range to prevent damage to the device.
• ഉപകരണത്തെ തീവ്രമായ താപനില, ഈർപ്പം, അല്ലെങ്കിൽ നശിപ്പിക്കുന്ന അന്തരീക്ഷങ്ങൾ എന്നിവയിലേക്ക് തുറന്നുകാട്ടരുത്.
• Avoid physical shock or dropping the device.
• അറ്റകുറ്റപ്പണികൾ നടത്തുന്നതിനോ കണക്ഷൻ മാറ്റുന്നതിനോ മുമ്പ് വൈദ്യുതി വിച്ഛേദിക്കുക.
• Only use the provided accessories or recommended replacements.
• This device is designed for industrial environments; handle with care and follow standard electrical safety procedures.

3. പാക്കേജ് ഉള്ളടക്കം

പാക്കേജിൽ എല്ലാ ഇനങ്ങളും ഉണ്ടെന്ന് ഉറപ്പാക്കുക:

• RS232/485 TO WIFI ETH (B) Converter x1
• 2.4G വൈഫൈ ആന്റിന x1
• Rail-mount buckle x1
• സ്ക്രൂഡ്രൈവർ x1
• Screws pack x1

Figure 3.1: The RS232/485 to WiFi and Ethernet Converter along with its accessories: screwdriver, screws, rail-mount buckle, and 2.4G WiFi antenna.

4. ഉൽപ്പന്നം കഴിഞ്ഞുview ഇൻ്റർഫേസ് ആമുഖവും

The device features multiple interfaces for power, serial communication, and network connectivity. Understanding these interfaces is crucial for proper setup and operation.

ചിത്രം 4.1: വിശദമായി view of the converter's interfaces, including the RS232 DB9 port, RJ45 Ethernet port (PoE optional on other models), DC Power Port, 6-36V Power Input screw terminal (A, B, Signal Ground), and WiFi Antenna Connector.

4.1. ഇൻ്റർഫേസുകൾ

• RS232 പോർട്ട്: Standard DB9 male connector for RS232 serial communication.
• RS485 ടെർമിനൽ: Screw terminals (A, B, GND) for RS485 serial communication.
• ഇഥർനെറ്റ് പോർട്ട്: RJ45 connector for 10/100M auto-negotiation Ethernet.
• WiFi Antenna Connector: SMA connector for the included 2.4G WiFi antenna.
• പവർ ഇൻപുട്ട്: DC 5.5 power port and screw terminal for DC 6~36V power supply.
• LED സൂചകങ്ങൾ: RELOAD, RXD, TXD, LINK, PWR for status indication.

4.2. RS232 Pinout Definition

5. സജ്ജീകരണം

5.1. ഹാർഡ്‌വെയർ കണക്ഷൻ

1. Attach WiFi Antenna: Screw the provided 2.4G WiFi antenna onto the SMA connector on the device.
2. വൈദ്യുതി വിതരണം: Connect a DC 6~36V power supply to either the DC 5.5 power port or the screw terminal (PE, B, A, 6-36V, GND). Ensure correct polarity for the screw terminal.
3. ഇതർനെറ്റ് കണക്ഷൻ (ഓപ്ഷണൽ): Connect an Ethernet cable from your network router or switch to the RJ45 Ethernet port on the device.
4. Serial Device Connection:
   • For RS232: Connect your RS232 serial device to the DB9 port.
   • For RS485: Connect your RS485 serial device to the A, B, and GND terminals.
5. മൗണ്ടിംഗ് (ഓപ്ഷണൽ): Use the rail-mount buckle and screws to mount the device on a DIN rail or wall as needed.

Figure 5.1: The converter supports multiple power supply methods, including a DC 5.5 power port and a screw terminal for 6-36V DC input.

5.2. Initial Network Configuration

Upon first power-up, the device typically boots in Access Point (AP) mode, allowing direct connection for initial configuration.

1. Connect to AP: On your computer or mobile device, search for available WiFi networks. The device will broadcast an SSID (e.g., "waveshare_XXXX"). Connect to this network.
2. പ്രവേശനം Web ഇൻ്റർഫേസ്: എ തുറക്കുക web browser and navigate to the default IP address (refer to the product documentation or quick start guide for the specific IP, commonly 192.168.1.1).
3. ലോഗിൻ: Enter the default username and password (usually "admin" for both, or as specified in documentation).
4. നെറ്റ്‌വർക്ക് ക്രമീകരണങ്ങൾ കോൺഫിഗർ ചെയ്യുക: ഉള്ളിൽ web interface, configure the desired operating mode (STA, AP+STA, etc.), WiFi credentials (SSID, password for STA mode), and Ethernet settings if applicable.
5. സേവ് ചെയ്ത് റീബൂട്ട് ചെയ്യുക: മാറ്റങ്ങൾ പ്രാബല്യത്തിൽ വരാൻ നിങ്ങളുടെ ക്രമീകരണങ്ങൾ സംരക്ഷിച്ച് ഉപകരണം റീബൂട്ട് ചെയ്യുക.

6 ഓപ്പറേറ്റിംഗ് മോഡുകൾ

The converter supports various operating modes to suit different application requirements:

6.1. Wireless Networking Modes

• എപി മോഡ് (ആക്സസ് പോയിന്റ്): The device acts as a WiFi hotspot, allowing other WiFi-enabled devices to connect to it directly. This is often the default mode for initial setup.
• STA Mode (Station): The device connects to an existing WiFi network (e.g., your home or industrial WiFi router) as a client.
• AP+STA മോഡ്: The device functions as both an Access Point and a Station simultaneously, allowing local devices to connect to it while it also connects to an external WiFi network.

Figure 6.1: Visual representation of the three primary wireless networking modes: AP mode (device as hotspot), STA mode (device as client to existing network), and AP+STA mode (device as both hotspot and client).

6.2. Communication Methods

• സുതാര്യമായ ട്രാൻസ്മിഷൻ മോഡ്:
  • TCP Server: The device listens for incoming TCP connections from clients.
  • TCP Client: The device initiates a TCP connection to a remote TCP server.
  • UDP Server: The device listens for incoming UDP packets.
  • UDP Client: The device sends UDP packets to a specified remote host and port.
• Serial Command Mode: Allows control and configuration via serial AT commands.
• HTTPD Client: Enables the device to send serial data to a web server via HTTP requests.
• Modbus TCP to Modbus RTU: Functions as a Modbus gateway, converting Modbus TCP requests from the network to Modbus RTU commands for serial devices, and vice-versa.
• MQTT ഗേറ്റ്‌വേ: Supports MQTT protocol for IoT cloud integration, allowing serial data to be published to MQTT brokers.

7. കോൺഫിഗറേഷൻ

The device can be configured using multiple methods:

7.1. Web ബ്രൗസർ കോൺഫിഗറേഷൻ

This is the recommended method for comprehensive configuration.

1. Ensure the device is powered on and connected to your network (either via AP mode or STA mode).
2. എ തുറക്കുക web browser and enter the device's IP address (default or assigned by DHCP).
3. Log in with the correct credentials.
4. വഴി നാവിഗേറ്റ് ചെയ്യുക web interface to configure network settings (WiFi, Ethernet), serial port parameters (baud rate, parity, data bits), operating modes, and advanced features like Modbus or MQTT.
5. Always save changes and reboot the device when prompted.

7.2. Serial AT Command Configuration

For advanced users or automated setup, the device supports configuration via AT commands sent through the serial port.

1. Connect a computer to the device's RS232 or RS485 port using a serial cable.
2. Use a serial terminal program (e.g., PuTTY, Tera Term) with the correct serial port settings (baud rate, data bits, parity, stop bits).
3. Send AT commands to query status or set parameters. Refer to the detailed AT command set documentation available from waveshare for specific commands and syntax.

7.3. Host Configuration Tool

Waveshare may provide a dedicated host configuration tool (software) for Windows or other operating systems. This tool simplifies the configuration process with a graphical user interface.

1. Download and install the latest version of the configuration tool from the official waveshare webസൈറ്റ്.
2. Connect the device to your computer's network.
3. Launch the tool and follow the on-screen instructions to discover and configure the device.

8 സ്പെസിഫിക്കേഷനുകൾ

Detailed technical specifications for the waveshare RS232/485 to WiFi and Ethernet Converter:

8.1 ജനറൽ

• വൈദ്യുതി വിതരണം: DC 6~36V
• വൈദ്യുതി വിതരണ രീതി: DC 5.5 power port, screw terminal
• അളവുകൾ (L × W × H): 84.00 × 64.00 × 24.00 മിമി
• ഇനത്തിൻ്റെ ഭാരം: 3.52 ഔൺസ്

Figure 8.1: Outline dimensions of the converter, showing measurements of 84.00mm length, 64.00mm width, and 24.00mm height. Note: Dimensions are approximate and may have slight variations.

8.2. ആശയവിനിമയം

• ഇഥർനെറ്റ്: 10 / 100M auto-negotiation RJ45 connector
• വൈഫൈ: 802.11b/g/n കംപ്ലയിന്റ്
• സീരിയൽ പോർട്ട്: RS232 (ESD/EFT), RS485 (ESD/EFT/surge protection)

8.3. വയർലെസ് സ്പെസിഫിക്കേഷൻ

• ഫ്രീക്വൻസി ബാൻഡ്: 2.412 ~ 2.484 ജിഗാഹെർട്സ്
• വയർലെസ് നെറ്റ്‌വർക്ക്: Station / AP / AP+Station Mode
• സുരക്ഷാ സംവിധാനം: WPA-PSK / WPA2-PSK
• എൻക്രിപ്ഷൻ തരം: ടി.കെ.ഐ.പി / എ.ഇ.എസ്
• പവർ ട്രാൻസ്മിറ്റിംഗ്:
  • 802.11b: +19dBm (Max.@11Mbps)
  • 802.11g: +18dBm (Max.@54Mbps)
  • 802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7)
• സെൻസിറ്റിവിറ്റി സ്വീകരിക്കുന്നു:
  • 802.11b: -89dBm (@11Mbps)
  • 802.11g: -81dBm (@54Mbps)
  • 802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7)

8.4. Serial Specification

• ബോഡ്രേറ്റ്: 300 ~ 460800 bps
• പാരിറ്റി ബിറ്റ്: none, odd, even, mark, space
• ഡാറ്റ ബിറ്റ്: 5 ~ 9 ബിറ്റുകൾ

8.5. സോഫ്റ്റ്വെയർ

• പ്രോട്ടോക്കോൾ: TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT
• കോൺഫിഗറേഷൻ: Host, Web browser, Serial AT command
• ആശയവിനിമയ രീതി: TCP/IP direct communication, VCOM
• ഓപ്പറേറ്റിംഗ് മോഡ്: Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU

8.6. Environment Requirement

• പ്രവർത്തന താപനില: -40℃ ~ 85℃
• ഈർപ്പം പരിധി: 5% ~ 95% ആപേക്ഷിക ആർദ്രത

9. പരിപാലനം

• വൃത്തിയാക്കൽ: ഉപകരണം വൃത്തിയാക്കാൻ മൃദുവായതും ഉണങ്ങിയതുമായ തുണി ഉപയോഗിക്കുക. ലിക്വിഡ് ക്ലീനറുകളോ എയറോസോളുകളോ ഉപയോഗിക്കരുത്.
• ഫേംവെയർ അപ്‌ഡേറ്റുകൾ: Periodically check the official waveshare website for firmware updates. Updating firmware can improve performance, add features, or fix bugs. Follow the provided instructions carefully during updates.
• പരിസ്ഥിതി വ്യവസ്ഥകൾ: Ensure the device operates within the specified temperature and humidity ranges to prolong its lifespan.
• കേബിൾ കണക്ഷനുകൾ: Regularly inspect all cable connections (power, Ethernet, serial) to ensure they are secure and free from damage.

10. പ്രശ്‌നപരിഹാരം

11. വാറൻ്റിയും പിന്തുണയും

For warranty information, please refer to the warranty policy provided with your purchase or visit the official waveshare website. Waveshare products typically come with a standard manufacturer's warranty covering defects in materials and workmanship.

For technical support, troubleshooting assistance, or to access the latest documentation and software, please visit the waveshare official website or contact their customer support team. Online development resources are available at bit.ly/3L6Bk6m.

When contacting support, please have your product model number (UART-WIFI232-B2) and a detailed description of the issue ready.