Elfin EW11 Firmware Download: A Guide for RS485 to Wi-Fi Connectivity
If you are looking for a reliable and easy way to connect your serial port device to a wireless network, you might want to consider the Elfin EW11 device. This device is a RS485 to Wi-Fi converter that supports Modbus TCP/IP protocol and can be remotely configured and monitored using IOTService software. In this article, we will show you how to download and install the latest firmware for your Elfin EW11 device, as well as how to troubleshoot some common issues that you might encounter.
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What is Elfin EW11?
Elfin EW11 is a product of Shanghai High-Flying Electronics Technology Co., Ltd., a leading provider of embedded networking and smart cloud solutions. Elfin EW11 is a part of the Elfin-EW1X series, which also includes Elfin-EW10 (RS232 to Wi-Fi converter) and Elfin-EW12 (RS422/RS485 to Wi-Fi converter).
Features and specifications of Elfin EW11
Elfin EW11 has the following features and specifications:
It provides RS485 interface to Wi-Fi connectivity, allowing you to connect your serial port device to a wireless network.
It integrates a TCP/IP controller, memory, high-speed serial port, and a fully developed TCP/IP network stack and mbed OS.
It supports Modbus TCP/IP protocol, which is widely used in industrial automation and smart grid applications.
It supports remotely configure, monitor, and upgrade with IOTService software, which is a Windows-based application that can scan, discover, and manage multiple devices on the same network.
It supports AP, STA, and AP+STA wireless network modes, allowing you to choose the best mode for your application scenario.
It supports TLS v1.2, AES 128Bit, DES3 security protocols, ensuring the data transmission security.
It has a compact size of 61mm x 26mm x 17.8mm and can be easily installed with fixed bracket or rail bracket.
It has a wide input voltage range of 518VDC and a low power consumption of less than 700mW.
It supports 802.11 b/g/n Wi-Fi standards and has a high transmit power and receive sensitivity.
It supports various serial port parameters, such as data bits, stop bit, check bit, baud rate, and flow control.
Applications and use cases of Elfin EW11
Elfin EW11 can be used for various applications that require serial port device to network connectivity, such as:
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Industrial control: You can use Elfin EW11 to connect your PLC, sensor, meter, or other industrial device to a wireless network and monitor or control them remotely.
Smart grid: You can use Elfin EW11 to connect your smart meter, transformer, or other smart grid device to a wireless network and collect or send data in real time.
Personal medical application: You can use Elfin EW11 to connect your blood pressure monitor, glucose meter, or other personal medical device to a wireless network and upload or download health data.
Remote control: You can use Elfin EW11 to a wireless network and control your TV, air conditioner, or other remote device with your smartphone or tablet.
Smart home: You can use Elfin EW11 to connect your smart lock, smart light, smart camera, or other smart home device to a wireless network and manage them with voice or gesture commands.
How to download and install Elfin EW11 firmware?
To download and install the latest firmware for your Elfin EW11 device, you need to follow these steps:
Step 1: Connect to the Elfin EW11 device
You need to connect your Elfin EW11 device to your computer using a RS485 cable. You also need to power the device with a 518VDC power supply. Make sure the device is turned on and the LED indicator is blinking.
Step 2: Download the firmware file from the manufacturer website
You need to visit the official website of Shanghai High-Flying Electronics Technology Co., Ltd. and go to the download section. You can find the latest firmware file for Elfin EW11 under the Elfin-EW1X series category. The firmware file is in .bin format and has a size of about 1.5MB. You need to download the file and save it on your computer.
Step 3: Load the firmware file using IOTService software
You need to install and run the IOTService software on your computer. This software can be downloaded from the same website as the firmware file. You need to select the serial port that is connected to your Elfin EW11 device and click on "Scan" button. The software will detect your device and display its information on the screen. You need to click on "Upgrade" button and select the firmware file that you downloaded in step 2. The software will load the firmware file to your device and show you the progress bar. The upgrade process will take about 1 minute.
Step 4: Configure the device settings according to your needs
After the upgrade is completed, you need to configure the device settings according to your needs. You can use the IOTService software or a web browser to access the device's web interface. You can set up the Wi-Fi network mode, SSID, password, IP address, security protocol, serial port parameters, Modbus TCP/IP protocol, and other settings. You can also test the device's functionality by sending or receiving data from your serial port device.
How to troubleshoot Elfin EW11 firmware issues?
If you encounter any problems with your Elfin EW11 firmware, you can try these troubleshooting tips:
Common problems and solutions
Device not detected by IOTService software
If your device is not detected by IOTService software, you can check these possible causes:
The RS485 cable is not connected properly or is damaged. You can try to reconnect or replace the cable.
The serial port is not selected correctly or is occupied by another program. You can try to select another serial port or close any other program that might use the serial port.
The device is not powered on or has a low battery. You can try to turn on the device or charge it with a power supply.
The firmware file is corrupted or incompatible. You can try to download the firmware file again or use another version of firmware.
Device not connecting to Wi-Fi network
If your device is not connecting to Wi-Fi network, you can check these possible causes:
The Wi-Fi network mode, SSID, password, IP address, or security protocol are not set correctly. You can try to check and modify these settings using IOTService software or web interface.
The Wi-Fi signal is too weak or unstable. You can try to move your device closer to the router or use a Wi-Fi extender.
The Wi-Fi network is congested or has interference. You can try to change the Wi-Fi channel or frequency band.
The router's firewall or MAC address filtering is blocking your device. You can try to disable these features or add your device's MAC address to the router's whitelist.
Device not communicating with serial port device
If your device is not communicating with serial port device, you can check these possible causes:
The serial port parameters, such as data bits, stop bit, check bit, baud rate, or flow control are not matched between your device and serial port device. You can try to check and modify these parameters using IOTService software or web interface.The Modbus TCP/IP protocol is not supported or configured correctly by your serial port device. You can try to check and modify the Modbus TCP/IP settings using IOTService software or web interface.
The serial port device is not powered on or has a malfunction. You can try to turn on the device or check its status.
Contact information for technical support
If you still have any questions or issues with your Elfin EW11 firmware, you can contact the technical support team of Shanghai High-Flying Electronics Technology Co., Ltd. by using the following information:
Phone
Website
+86-21-6100 3526
support@hiflyingtech.com
www.hiflyingtech.com
Conclusion
In this article, we have introduced you to the Elfin EW11 device, which is a RS485 to Wi-Fi converter that supports Modbus TCP/IP protocol and can be remotely configured and monitored using IOTService software. We have also shown you how to download and install the latest firmware for your Elfin EW11 device, as well as how to troubleshoot some common issues that you might encounter. We hope this article has been helpful and informative for you. If you have any feedback or suggestions, please feel free to leave a comment below.
FAQs
Here are some frequently asked questions about Elfin EW11 firmware:
What is the default IP address and password of Elfin EW11 device?
The default IP address of Elfin EW11 device is 192.168.16.254 and the default password is admin.
How can I reset my Elfin EW11 device to factory settings?
You can reset your Elfin EW11 device to factory settings by pressing and holding the reset button on the device for more than 5 seconds. The LED indicator will flash rapidly to indicate that the reset is successful.
How can I update my Elfin EW11 firmware over the air (OTA)?
You can update your Elfin EW11 firmware over the air (OTA) by using the IOTService software. You need to connect your device to a Wi-Fi network and scan it with the software. Then you can select the OTA upgrade option and choose the firmware file from your computer. The software will send the firmware file to your device and show you the progress bar.
How can I use Elfin EW11 with cloud platforms such as AWS, Azure, or Google Cloud?
You can use Elfin EW11 with cloud platforms such as AWS, Azure, or Google Cloud by using MQTT protocol. You need to configure the MQTT settings on your device using IOTService software or web interface. You need to enter the MQTT broker address, port number, username, password, client ID, topic, and QoS level. Then you can publish or subscribe data from your serial port device to the cloud platform.
How can I use Elfin EW11 with mobile applications such as Android or iOS?
You can use Elfin EW11 with mobile applications such as Android or iOS by using TCP/UDP protocol. You need to configure the TCP/UDP settings on your device using IOTService software or web interface. You need to enter the remote IP address, port number, local port number, and connection mode. Then you can send or receive data from your serial port device to the mobile application.
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