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User Manual
---Apply to RT620 4G/3G RTU
V1.5
http://www.wlink-tech.com
Feb 2025
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Summary of Contents for WLINK RT620

  • Page 1 User Manual ---Apply to RT620 4G/3G RTU V1.5 http://www.wlink-tech.com Feb 2025...
  • Page 2 RT620 User Manual Copyright © Shenzhen WLINK Technology Company Limited 2012 ~ 2025 Without our written approval, anyone can’t extract, copy whole or part of content of this file and can’t spread out in any format. Caution Due to product updates or functional upgrading, we may renew the content of this file, and this file only for reference.
  • Page 3: Table Of Contents

    RT620 User Manual Contents 1 Product Introduction ...............................1 1.1 Product Overview ............................1 1.2 Product Appearance ...........................1 1.3 Equipment configuration and accessories ....................2 1.4 Functional Features ............................2 1.5 Technical indicators and specifications ....................4 2 Hardware Installation ............................. 6 2.1 Prepare ................................. 6 2.2 Product Interfaces ............................7...
  • Page 4 RT620 User Manual 3.7.2 Time ..............................22 3.7.3 Log ................................ 23 3.7.4 Admin Access ............................23 3.7.5 Upgrade ..............................24...
  • Page 5: Product Introduction

    Product Introduction 1.1 Product Overview RT620 is an intelligent acquisition and transmission terminal device that focuses on the acquisition, data processing, and transmission of cellular connections. The device supports various analog signal sensors, switch signal sensors and RS485 communication interface; supports GNSS/Beidou positioning acquisition and transmits location information through 3G/4G mobile network.
  • Page 6: Equipment Configuration And Accessories

    RT620 User Manual Back View 1.3 Equipment configuration and accessories Accessories are described in Table 1-1. Accessories name Quantity Remark RT620 None WIFI Antenna None 4G Antenna None Network Cable None Terminal Block None Installation Kit None Certificate of Conformity...
  • Page 7 RT620 User Manual  Support remote firmware upgrade.  Support Detran M2M terminal remote management protocol.  Support MQTT protocol, send data to public cloud server.  Scalable large-capacity data storage (8GB~64GB), common applications can meet at least one month of local data storage.
  • Page 8: Technical Indicators And Specifications

    RT620 User Manual 1.5 Technical indicators and specifications Name Spec Remark Physical properties Size 236 X 125 X 40 mm Weight 500g Operating -30 ~ 75℃ temperature Storage -40 ~ 85℃ temperature Humidity 0% ~ 95% No condition Shock SAE J1455 System CPU MIPS32 74K Core.
  • Page 9 RT620 User Manual Physical interface 24 Power Input Power input, support V+, V- reverse connection; Vin=18 ~ Standard 24V@1A power adapter 24 Power Output Power output = Vin – 1V; for 24V sensor equipment to Equivalent input power voltage take power...
  • Page 10: Hardware Installation

    For other power environments, please contact our technical support for help. Serial port It is used to assist in debugging RT620, check the running status of RT620 to know debugging whether it is working correctly. You can download general related software from the software internet or contact our technical support.
  • Page 11: Product Interfaces

    RT620 User Manual 2.2 Product Interfaces Front View Port/LED Remark 10/100M Ethernet port WAN/LAN 10/100M Ethernet port USB2.0 USB2.0 Restore the default value switch, press, and hold for 8-15 seconds to restore the system factory configuration NET(LED) Network indicator light WAN(LED)...
  • Page 12 RT620 User Manual Close Open +12V +12V VIN=24V Close Open GND GND Power Input Power Output Relay interface 18~32V Power input: V+, V-, non-polar design, can be connected to positive and negative poles arbitrarily,  anti-reverse. The input voltage range is +18V ~ 32V DC, recommend +24V/1A DC power adapter.
  • Page 13 RT620 User Manual 0-5V digital signal input Digital switch signal access: N/O IN is directly connected to GND or disconnected Active digital signal input: 4 channels of active 0~5V digital signal input, the GND of the input signal  source and the system GND need to be common ground.
  • Page 14: Power Supply

    Connect the power cord and check that it is correct, connect the antenna, put in a valid SIM/UIM card, supply power to the RT620 through the power cord, the PWR indicator on the RT620 is on, and judge the status of the RT620 according to Table 2-3.
  • Page 15: Rtu Configuration

    RTU Configuration 3.1 Web configuration environment RT620 supports to be configured by local Ethernet port, you could specify a static IP or set as DHCP. The default IP address is 192.168.1.1,subnet mask is 255.255.255.0, please refer to following. Step 1 Click “start > control panel”, find “Network Connections” icon and double click it to enter, select “Local Area Connection”...
  • Page 16: System Status

    RT620 User Manual 3.2 System Status By checking the system status, you can get "mobile network status" and "mobile network device information". In this way, you can judged whether the network and equipment are normal according to the relevant status. It is also used to analysis and problem solving of abnormal situations.
  • Page 17: Modbus Rtu

    RT620 User Manual Including connected and disconnected states Connection Status Table 3-1 3.3 Modbus RTU Log in to the WEB configuration interface, click the Advanced Network=>Modbus RTU, the page is shown as below:...
  • Page 18 Description: describe the relevant characteristics of the acquired data. Table 3-2 After the configuration is complete, click the "Save" button. After the configuration is saved, the device will automatically restart to make the corresponding configuration take effect. Please contact WLINK sales/FAE for script writing and config support.
  • Page 19: Basic Network

    RT620 User Manual 3.4 Basic Network 3.4.1 WAN According to the networking situation of the field application, select the Internet connection provided by your ISP from the drop-down menu. The WAN connection type includes the following methods: DHCP, PPPoE, static address. As shown in P 3-7:...
  • Page 20: Cellular Setting

    RT620 User Manual is selected as "Static IP". Basic settings: Displayed when "Type" is selected as "PPPoE" The unique identification name of the interface is used for other function PPPoE non-configurable items. calls or when associated The PPPoE interface name configured on the webpage is...
  • Page 21 RT620 User Manual Parameter Instruction If enable ICMP check and setup a reachable IP address as ICMP check destination IP, the router will reconnect/reboot once ICMP check failed. Cellular Traffic The router will reconnect/reboot once there’s no Rx/Tx data. Check CIMI Send to Send CIMI to a defined IP and port by TCP protocol.
  • Page 22: Lan

    3.5 LAN By viewing the "LAN status" information of RT620, you can know the basic information of the system "LAN status". The specific operation method is as follows: Select "Basic Configuration > LAN" in the navigation bar, and in the opened page, you can modify...
  • Page 23: Wlan Configuration (Wi-Fi)

    RT620 User Manual "LAN" configuration parameters are described in Table 3-5: Parameter Instruction Router IP Address The IP address of the router, the default IP is 192.168.1.1 Subnet mask The mask address of the router, the default mask is 255.255.255.0 Dynamically assign IP services.
  • Page 24 RT620 User Manual "Basic settings" configuration parameter description. Parameter Instruction Configuration mode Turn on wireless mode. After this item is Button selection Enable WLAN enabled, the relevant Wi-Fi parameters Enable can be set. Disabled AP working mode is supported by...
  • Page 25: Wireless Survey

    RT620 User Manual 3.6.2 Wireless Survey Select "WLAN Configuration > Wireless Survey" in the navigation bar. In the opened page, you can search for related parameters of nearby wireless networks. 3.7 Administration 3.7.1 Scheduled Reboot Choose Administration > Scheduled Restart from the navigation tree. In the opened page, you can...
  • Page 26: Time

    After the configuration is complete, click the "Save " button, and the configuration will take effect. 3.7.2 Time The RT620 supports NTP (Network Time Protocol) network protocol for time synchronization. Performing NTP network time synchronization can ensure that the system time of the router corresponds to the actual time and can ensure that functions such as task management are executed at the correct time.
  • Page 27: Log

    Local log refers to directly viewing information such as system operation and operation configuration on the RT620 management interface. Through this information, it is possible to find abnormal conditions of the system, accurately locate problems and take effective preventive or remedial measures.
  • Page 28: Upgrade

    RT620 User Manual 3.7.5 Upgrade The RT620 supports local network mode for system upgrades. Ensure the latest firmware is obtained before proceeding. 1) Navigate to Administration > Upgrade. 2) Under Main Firmware Upgrade, select the new firmware file. 3) Enable "Erase all NVRAM data after flashing" and click [Upgrade].

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