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eTung PLC-502 PLCLianWangBao User Manual

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PLC-502 PLC LianWangBao
User Manual
eTung Technology Co. Ltd
2nd Floor Building 3, Beike Industrial Park, No.7 Feng Xian Mid Road,
Haidian Dist. Beijing
TEL:4008-909-611 FAX:010-64839475
Website: www.etungtech.com.cn
Copyright © 2005-2023 ALL RIGHTS RESERVED

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Summary of Contents for eTung PLC-502 PLCLianWangBao

  • Page 1 PLC-502 PLC LianWangBao User Manual eTung Technology Co. Ltd 2nd Floor Building 3, Beike Industrial Park, No.7 Feng Xian Mid Road, Haidian Dist. Beijing TEL:4008-909-611 FAX:010-64839475 Website: www.etungtech.com.cn Copyright © 2005-2023 ALL RIGHTS RESERVED...
  • Page 2 PLC-502 User Manual This manual applies to the following models, and the corresponding networks supported by the models are listed in the table below: Model Network WIFI and WAN cable networks, use WAN by PLC-502-W0 default 4G/3G/2G (7 kinds of network modes) and PLC-502-W4 WIFI/WAN cable networks, use 4G by default 4G/3G/2G (7 kinds of network modes), WIFI and...

  • Page 3: Table Of Contents

    PLC-502 User Manual Table of Contents 1. Product Introduction ........................4 1.1 Brief Introduction ....................... 4 1.2 Product Outlook ........................6 1.3 Standard Accessories ......................7 1.4 Dimension ..........................9 1.5 Working Mechanism ......................10 1.6 Specifications ........................11 1.6.1 Technical Parameters ..................11 1.6.2 Indicator Light Description ................

  • Page 4: Product Introduction

    PLC-502 User Manual 1. Product Introduction This chapter mainly introduces the outlook, accessories, specifications and mechanism of PLC-502. 1. Brief Introduction 2. Product Outlook 3. Accessories 4. Dimension 5. Working Mechanism 6. Specifications 7. Typical Usecases 1.1 Brief Introduction PLC-502 is an industrially designed product, and is especially used with PLCs.
  • Page 5 RS232/RS485 serial port to ask for location information. PLC-502 is easy to use, and is plug-n-play without any configuration. Together with eTung’s eYun platform and Virhub/Vircom software, it can be easy to integrate with PLC programming software, and there is no extra integration effort.

  • Page 6: Product Outlook

    PLC-502 User Manual 1.2 Product Outlook Figure 1-1: PLC-502 whole view Figure 1-2: PLC-502 panel view...

  • Page 7: Standard Accessories

    PLC-502 User Manual 1.3 Standard Accessories Figure 1-3: 4G all frequency sucking antenna Figure 1-4: WIFI dual-frequency antenna...
  • Page 8 PLC-502 User Manual Figure 1-5: GPS antenna Figure 1-6: Cross cable NOTE: The accessories may be different because of different models and customer requirements, the figures above are just for reference.

  • Page 9: Dimension

    PLC-502 User Manual 1.4 Dimension Figure 1-7: PLC-502 dimension...

  • Page 10: Working Mechanism

    PLC-502 User Manual 1.5 Working Mechanism Figure 1-8: PLC-502 working mechanism PLC-502 has RJ45 Ethernet interface and RS232/RS485 serial interface, so it can connect with PLCs that have Ethernet interface or serial interface, and Ethernet and serial interfaces can be used at the same time.

  • Page 11: Specifications

    PLC-502 User Manual 1.6 Specifications 1.6.1 Technical Parameters  Basic Parameters  Power Supply: +12 ~ +48V wide range of voltage input  Power Connector: terminal  Max Current: 350mA@+12V DC  Standby Current: 250mA@+12V DC  Network: PLC-502-W0：WIFI/WAN PLC-502-W4: FDD-LTE/TDD-LTE TD-SCDMA/DC-HSPA+/HSPA+/UMTS EVDO/EDGE/GPRS/GSM/CDMA...

  • Page 12: Indicator Light Description

    PLC-502 User Manual  Weight: 600g  Basic Functions  Support NAT  Support DHCP server  Support DNS Proxy  Support port forwarding  Support DMZ host(IP address mapping)  Support configuring static route table  Support real-time speed display of wireless network ...

  • Page 13: Serial Port Definition

    PLC-502 User Manual No data received from RS232 Extinguished interface Receive data from RS485 Flashing interface Green No data received from RS485 Extinguished interface 3G/4G module is not working, or WIFI module is not working, Always light or SIM card error. In case Cable network or WIFI is used, ERR light will not be on.

  • Page 14: Typical Usecases

    PLC-502 User Manual Figure 1-9: PLC-502 reset button 1.7 Typical Usecases Figure 1-10: Implement PLC remote monitoring and program update via PLC-502’s serial functionality...
  • Page 15 PLC-502 User Manual Figure 1-11: Implement PLC remote monitoring and program update via PLC-502’s virhub functionality Figure 1-12: Implement remote control of touchscreen desktop via PLC-502’s agent client functionality and VNC software...

  • Page 16: Device Configurations

    PLC-502 User Manual 2. Device Configurations This chapter introduces how to use PLC-502 and related parameters. 1. Configurations 2. Parameters 3. Restore to default 4. Firmware Update 5. Remote Configurations 2.1 Configurations 2.1.1 Preparation  One cross Ethernet cable used to connect PLC-502 with PC or customer device;...
  • Page 17 PLC-502 User Manual...
  • Page 18 PLC-502 User Manual Figure 2-1: Set IP address as "Automatically obtain IP address"  Open IE browser, input address "http://192.168.10.1" and press Enter;  Input "root" as username and "1234" as password, then press Enter to login web configuration interface and configure the device.
  • Page 19 PLC-502 User Manual modify and then save it, then reboot the router. Below shows PLC-502’s current status, including: product ID, version, running time, current time, CPU usage, memory usage, status, model and model manufacturer, SIM IMEI, SIM ICCID, WAN/LAN connection status, current status, network, network speed, and signal, etc.
  • Page 20 PLC-502 User Manual Server can also be set manually, as shown in the figure below, Server is set to “Self-defined”, and then input server domain/IP and port accordingly.
  • Page 21 PLC-502 User Manual Figure 2-4: Configure virhub functionality To use DTU functionality, click “DTU Function” -> “Basic Cfg”. DTU function is enabled by default; server is set to auto-selected by default that means PLC-502 will automatically choose the server that is near it and has lowest network delay.
  • Page 22 PLC-502 User Manual Server can also be set manually, as shown in the figure below, Server is set to “Self-defined”, and then input server domain/IP and port accordingly.
  • Page 23 PLC-502 User Manual Figure 2-5: Configure DTU functionality PLC-502 has one RS232 and one RS485 serial port, choose either serial port to use in “UART Choice”:...
  • Page 24 “Agent Client”, set mServer (plc.lianwangbao.com) DN and port (8080), the default values are eTung mServer DN and port, normally keep the default values, unless users build its own mServer. Then configure device information, set device IP (for example, 192.168.10.20) and port (for example, 5900), and tick “Enable”, then click Save and reboot...
  • Page 25 PLC-502 User Manual Figure 2-7: Configure agent client functionality It is possible to configure multiple lines in agent client configuration, each line corresponds to a channel, and at most 5 channels are supported. Each channel has a 15-byte channel ID. The channel ID is derived from PLC-502’s IMEI.

  • Page 26: Configuration Parameters

    PLC-502 User Manual 2.2 Configuration Parameters Each configuration menu has multiple parameters, and some of them have sub-menus. Details are described below. Configuration Menu Item Description Show device information, connection and Current status data transfer status. Configure to use wireless (2G/3G/4G), Network Select cable network (WAN) or WIFI, set ICMP host, and whether to allow external access.

  • Page 27: Restore To Default

    PLC-502 User Manual Set advanced parameters, for example, Advanced Cfg frame size for data transmission, and timeout for data received from serial port. Set heart beat parameters, normally with Link Management default values Set server address for Virhub function, “Auto-selected” by default that means it Virhub will automatically choose the server that is near it and has lowest network delay.

  • Page 28: Firmware Update

    Figure 2-9: Restore to default Or: press the RESET button continuously to reset it to default. 2.4 Firmware Update  Ask eTung for firmware to update. The firmware (*.img) can be uploaded from local disk, or downloaded from a server from Internet.
  • Page 29 PLC-502 User Manual Figure 2-10: Upgrade firmware  If the firmware can be downloaded from a server, input download URL (please ask eTung technical support for the URL), and click “Upload/Download”: Figure 2-11: Input URL and download firmware  Wait for a moment, until "Update" is shown, choose "Delete the configuration"...

  • Page 30: Remote Configurations

    PLC-502 User Manual configuration), then click “Update”. It will prompt the file system has been updated, the original settings is clear, and the system is rebooting. Wait a moment and then refresh the webpage to see the configuration page again. Figure 2-12: Choose delete the configuration or keep network configuration 2.5 Remote Configurations SMS commands and remote AT commands can be used on PLC-502 to...
  • Page 31 PLC-502 User Manual separate SMS with command "AT+REBOOT". 3) AT command must be capitalized, but the parameters in the command do not have this limit. 4) If there are multiple parameters in the command, just write those that need to change and you do not have to write all of them.
  • Page 32 PLC-502 User Manual OK:addr,port,user,mode Refer the first command for parameters description 7) AT+PWD? Check SMS password, with reply below: OK:passwd 8) AT+INFO? Check device information. with reply below: OK:IMEI,version,IP address at Ethernet interface 2. Change configuration parameters via remote AT commands 1) This method can be used only when enabliing DTU function or virhub function, and PLC-502 is shown online in mServer.
  • Page 33 PLC-502 User Manual Below are remote AT commands that are supported on PLC-502 Ethernet channels. 1) AT+MSERVER=addr, port Change data center address and port, with reply OK or ERROR. addr: data center address, either IP address or domain port: data center port 2) AT+CSQ Query signal strength and network mode, with the following reply:...
  • Page 34 PLC-502 User Manual 11) AT+OPER Query operator information. 12) AT+NETMODE Query current network in use, with reply: +NETMODE: WAN/WIFI/MOBILE\r 13) AT+IFSTATUS Query data interfaces’ status, with reply: +IFSTATUS: SERIAL(0/1,0/1), LAN(0/1,0/1)\r Bracket SERIAL(0/1,0/1) shows RS232 and RS485 data interfaces’ status: 1 means data are received from the serial interface, otherwise 0.

  • Page 35: Appendix 1: Use Plc-502 Virhub Functionality To Implement Plc Program Remote Update

    PLC-502 User Manual Appendix 1: Use PLC-502 Virhub Functionality to Implement PLC Program Remote Update 1. Apply eYun account Access website , press “Register”, and http://wangkoutong.lianwangbao.com input registration information. Pay attention that the password should not be too simple. Input a correct email address, then after submit the system will automatically send a web link to the mailbox, just click the link to enable the account.
  • Page 36 PLC-502 User Manual Figure Appendix 1-2: Input registration information 2. Configure PLC-502  Connect PLC-502 with PC via Ethernet cross cable, and the IP address in PC is set to obtain automatically;  Open browser and input URL: 192.168.10.1;  Input username: root, and password: 1234 to login; ...
  • Page 37 Figure Appendix 1-3: Configure PLC-502’s virhub functionality 3. Configure Virhub software Open and run Virhub installation package from eTung’s CD, or downloaded from eTung’s website: www.etungtech.com: Downloads->Software. Run Virhub and click "Settings", server is set to “Auto Select” by default, input...
  • Page 38 PLC-502 User Manual Figure Appendix 1-4: Login Virhub 1) Configure virtual network adapter’s IP address: in the “Settings” dialog, we can set virtual net adapter’s IP address in “Virtual Network IP”. Set IP1 to be in the same IP range as PLC’s IP that connects to PLC-502, for example, PLC’s IP is 192.168.10.20, and then set IP1 to 192.168.10.200.
  • Page 39 PLC-502 User Manual Figure Appendix 1-5: Configure virtual network adapter’s IP address Press “OK” after configuration, in the system info area, there will be a prompt “Setting virtual network ip address successfully”, then the software has set the IP address to the virtual net adapter Figure Appendix 1-6: Succeed to set IP address of Virtual network adapter 2) Add device: in Virhub software add PLC-502 to the user account: press “Add Terminal”, and input the IMEI number of PLC-502.
  • Page 40 OK, then use PLC programming software to update program. And if there is no response for a long time, please contact eTung technical support. 4) Detect IP address of devices via Virhub In order that PC running Virhub can communicate with devices at the far end that connect to PLC-502, the devices’...
  • Page 41 PLC-502 can be accessed remotely via Virhub. Normally, PLC-502 dials up into the wireless network and gets an inner IP address, and it cannot be accessed from the internet via this inner IP. eTung’s Virhub solution can solve the problem. First, enable Virhub function on PLC-502, and set a remote access IP;...
  • Page 42 PLC-502 User Manual Figure Appendix 1-10: Configure PLC-502r’s remote access IP Normally set the two parameters with default values, and they can also be changed on demand. Press “Save” after configuration, and then reboot the router. These two parameters can also be changed/checked via remote AT commands, please refer “2.5 Remote Configurations”.
  • Page 43 PLC-502 User Manual Figure Appendix 1-11: Configure the Virtual Network adapter’s IP address to access PLC-502 remotely Click “OK” after configuration is complete, the software will then set the IP address on the Virtual Network adapter. 3) Access PLC-502 remotely Open browser, and input PLC-502’s remote access IP (192.168.168.1 by default), and then PLC-502’s web configuration page shows.
  • Page 44 PLC-502 User Manual Figure Appendix 1-12: Access PLC-502’s Web configuration page remotely Then we can login the web page to change PLC-502’s parameters remotely, just as PLC-502 is directly connected locally. Attention: When host pc accesses PLC-502’s webpage remotely via virhub, it reaches PLC-502 with its remote access IP address, 192.168.168.1 by default.
  • Page 45 PLC-502 User Manual Figure Appendix 1-13: Map device in virhub...

  • Page 46: Appendix 2: Use Plc-502 Serial Functionality To Implement Plc Program Remote Update

    PLC-502 User Manual Appendix 2: Use PLC-502 Serial Functionality to Implement PLC Program Remote Update PLC-502 has two user serial ports, so it can connect with PLCs that have serial ports, and perform remote program download and transparent data transmission. eYun platform and Vircom functionality make it easier to implement remote access of PLCs that have serial port.
  • Page 47 PLC-502 User Manual Figure Appendix 2-2: Input registration information 2. Configure PLC-502  Connect PLC-502 with PC via Ethernet cross cable,  the IP address in PC is set to obtain automatically;  Open browser and input URL: 192.168.10.1;  Input username: root, and password: 1234 to login; ...
  • Page 48 PLC-502 User Manual Figure Appendix 2-3: Configure PLC-502’s serial functionality 3. Configure Vircom software Find Vircom installation package from eTung website: www.etungtech.com: Downloads->Software, then download and install Vircom.  Run Vircom software, and click “Settings”, server is set to auto-selected by default and there is no need to change;...
  • Page 49 PLC-502 User Manual Figure Appendix 2-7: Configure Vircom Figure Appendix 2-8: Add terminal Figure Appendix 2-7: Succeed to add terminal...
  • Page 50 PLC-502 User Manual Figure Appendix 2-9: Map a virtual COM...
  • Page 51 PLC-502 User Manual Figure Appendix 2-10: Succeed to map virtual COM...

  • Page 52: Appendix 3: Configure Plc-502 To Access Internet Via 4G Network

    PLC-502 User Manual Appendix 3: Configure PLC-502 to Access Internet via 4G Network According to the description of Ch. 2.1 Configurations, login PLC-502’s webpage, choose “Network Settings” -> “Network Select”, configure to use 4G to access Internet. Set Network to “WIRELESS (2G/3G/4G)”, press “Save” and then reboot PLC-502.

  • Page 53: Appendix 4: Configure Plc-502 To Access Internet Via Cable/Wifi

    PLC-502 User Manual Appendix 4: Configure PLC-502 to Access Internet via Cable/WIFI 1. Configure PLC-502 to access Internet via cable network According to the description of ch. 2.1 Configurations, login PLC-502’s webpage, choose “Network Settings” -> “Network Select”, configure to use WAN to access Internet.
  • Page 54 PLC-502 User Manual Figure Appendix 4-3: Set type When choosing PPPoE, PPPoE username and password should be set additionally: Figure Appendix 4-4: Configure PPPoE username and password When choosing STATIC, configure static IP, net mask, gateway and DNS accordingly:...
  • Page 55 PLC-502 User Manual Figure Appendix 4-5: Configure static IP When choosing DHCP, no additional parameters need to configure: Figure Appendix 4-6: Configure DHCP Click "Save", and plug in Ethernet cable on LAN1 (WAN) of PLC-502 and connect to the cable network, then reboot PLC-502. After reboot, login PLC-502's web configuration page, it can be seen that PLC-502 has connected to the internet with WAN.
  • Page 56 PLC-502 User Manual Figure Appendix 4-7: PLC-502 accesses Internet via WAN 2. Configure PLC-502 to access Internet via WIFI PLC-502-W0 and PLC-502-W4 can access Internet via WIFI. According to the description of ch. 2.1 Configurations, login PLC-502’s webpage, choose “Network Settings”...
  • Page 57 PLC-502 User Manual Figure Appendix 4-8: Set network as WIFI Choose “Network Settings” -> “WIFI Client”, to configure WIFI parameters. LianWangBao supports configuring at most 3 WIFI APs. By default AP3 has SSID: ABC and pin: 12345678. Figure Appendix 4-9: Configure WIFI parameters – 1 Click “Refresh”...
  • Page 58 PLC-502 User Manual Figure Appendix 4-10: Search WIFI APs Choose WIFI AP in the list, select security type, and input pin, then click “Save”, and reboot PLC-502.
  • Page 59 PLC-502 User Manual Figure Appendix 4-11: Configure WIFI parameters – 2 By default connection type is DHCP, i.e. get IP address dynamically. It is also supported to assign static IP address manually, and set subnet netmask, default gateway and DNS, as shown in the figure below:...
  • Page 60 PLC-502 User Manual Figure Appendix 4-12: Configure WIFI parameters – 3 After configuration and reboot, login PLC-502's web configuration page, it can be seen that PLC-502 has connected to the internet with WIFI.
  • Page 61 PLC-502 User Manual Figure Appendix 4-13: PLC-502 accesses Internet via WIFI NOTE: Some PLC-502 types do not have WIFI module, and then cannot access Internet via WIFI. LianWangBao supports WIFI Bridge, and by default it is disabled. Network devices that connect to LianWangbao’s Ethernet interfaces, have IP addresses that are different from the IP addresses that WIFI AP specifies.
  • Page 62 PLC-502 User Manual Note: 1. To enable WIFI Bridge, please disable WAN, i.e. choose network except WAN: WIFI or WIFI&MOBILE. 2. In case devices need to get IP automatically from WIFI AP, please disable LianWangBao’s DHCP function. Otherwise, LianWangBao will specify IP to the devices, and they cannot get IP from WIFI AP.
  • Page 63 PLC-502 User Manual...

  • Page 64: Appendix 5: Send/Receive Sms With Plc-502'S Ethernet Interface And Sms Format

    PLC-502 User Manual Appendix 5: Send/Receive SMS with PLC-502’s Ethernet Interface and SMS Format PLC-502 supports sending/receiving SMSs via Ethernet interface. The method is described below: First, establish a TCP connection with the PLC-502’s Ethernet IP (192.168.10.1 by default) and port: 10086; then use command AT+SMS or AT+SMSA to send SMSs. For example, use TCP Test Tool to send SMS as shown below:...
  • Page 65 PLC-502 User Manual Figure Appendix 5-1: Send SMS via PLC-502’s Ethernet interface 1) In the left part “Client”, input PLC-502’s Ethernet IP address “192.168.10.1” in “IP Address/Name”, and PLC-502’s listening port “10086” in “Port”, then click “Connect” to establish TCP connection with PLC-502; if “Connected” is shown Connection Status, that means TCP Test Tool has connected to PLC-502’s listening port.
  • Page 66 PLC-502 User Manual AT+SMSA=<target number>,<data length>,<data>\r DTU will send the following reply: \r\nOK\r\n \r\nERROR\r\n Target Number: Phone number to receive the short message Data Length: The actual data length behind Data: The data to be sent, MUST with ASCII encoding. Examples: Send “1234”...
  • Page 67 PLC-502 User Manual below: 1) Format for SMS messages received with ASCII encoding If the content of received SMSs is in ASCII format, the output is in the following format: \r\n+SMSA:<phone number>,<data length>,<data>\r\n Examples: “1234” received from 13812345678 in ASCII format: \r\n+SMSA:13812345678,4,31323334\r\n If the received SMS has more than one message, the format is as below: \r\n+SMSAL:<identifier>,<total>,<sequence...

  • Page 68: Appendix 6: Use Vnc And Plc-502 To Access And Control Devices Remotely

    PLC-502 User Manual Appendix 6: Use VNC and PLC-502 to Access and Control Devices Remotely VNC is the abbreviation of Virtual Network Console. It is a kind of excellent remote control software, and it includes two parts: client software (vncviewer) and server software (vncserver).
  • Page 69 PLC-502 User Manual Figure Appendix 6-1: Use eTung PLC LianWangBao an VNC to remote control touchscreen 1. Install and run vncserver on the touchscreen, and run vncviewer on PC or mobile, and PC (or mobile) can access Internet; 2. Configure touchscreen IP address: set the IP address to be in the same IP range as PLC-502’s LAN IP, for example 192.168.10.20.
  • Page 70 Login PLC-502 web configuration page, choose “ConnBox” -> “Agent Client” , mServer DN or IP is plc.lianwangbao.com and mServer port is 8080 by default, that is eTung LianWangBao mServer, normally use the default settings, until customer builds its own mServer. Then configure device information, including touchscreen ‘s IP (for example, 192.168.10.20) and vncserver’s...
  • Page 71 PLC-502 User Manual functionality. Configure multiple lines in agent client configuration, and enable all of them. For example, configure two channels as shown in the figure below, each channel has touchscreen’s IP as device IP, and vncserver’s listening port as device port. This allows two PCs (or mobile phones) to remote control the touchscreen at the same time, thus implements device remote control in different locations.
  • Page 72 PLC-502 User Manual Figure Appendix 6-6: Login LianWangBao server Click “Terminal Control” -> “Add Terminal”, Figure Appendix 6-7: Add terminal Input the channel ID corresponding to the agent client, for example: 240305501234567:...
  • Page 73 Attention: terminal can be added only when it is online. If it fails to add terminal, make sure PLC-502 has connected online in LianWangBao server, or ask eTung technical support for help. After terminal is added, assign TCP port for the terminal: Click the terminal in terminal list, then click “Terminal Control”...
  • Page 74 PLC-502 User Manual If multiple channels are configured in PLC-502’s agent client, then add terminal for each independent channel and assign TCP port for the terminal accordingly. As shown in the figure below, two terminals and corresponding TCP ports are added: Figure Appendix 6-9: Add TCP port for each terminal 6.
  • Page 75 PLC-502 User Manual Figure Appendix 6-10: Use vncviewer to access LianWangBao server’s TCP port Click “OK”, then there will be a warning dialog, and then prompts the password dialog. Input the password to verify, then the remote touchscreen’s desktop will be shown on PC (or mobile). Figure Appendix 6-11: Input password Attention:...
  • Page 76 PLC-502 User Manual 1) If multiple PCs (or mobile phones) access touchscreen at the same time, make sure each PC use an independent channel, i.e. in vncviewer’s server information use different TCP port for different channels, otherwise the connections will be lost and PCs cannot work correctly. 2) The solution above is just one of device remote access solutions.

  • Page 77: Appendix 7: Use Lianwangbao Ip Virtual Mapping Together With Virhub To

    Same IP Some projects have devices, i.e. PLCs, with a fixed IP address by default. ETUNG LianWangBao is used to implement devices’ remote access. However, the devices are configured with the same default IP, and the monitoring center cannot distinguish them with IP. Virhub together with...
  • Page 78 PLC-502 User Manual 1. Use Ethernet cable to connect device with LianWangBao; 2. Configure LianWangBao Ethernet IP to be in the same IP range as device Ethernet IP, for example: 192.168.2.*; 3. Configure IP virtual mapping, map the device’s IP to some IP (Access IP) in a different IP range, for example: 192.168.8.1, and make sure...
  • Page 79 PLC-502 User Manual different devices are assigned to different IPs; 4. Enable Virhub in LianWangBao;...
  • Page 80 PLC-502 User Manual 5. Run Virhub software on host PC, and set virtual network adapter IP as in the same IP range as the access IPs mapped to devices; 6. Use the access IPs to communicate with devices.
  • Page 81 PLC-502 User Manual...

  • Page 82: Appendix 8: Configure Gps Query Settings And Gps Data Format

    PLC-502 User Manual Appendix 8: Configure GPS Query Settings and GPS data format PLC-502-W4G embeds GPS model and supports device location. GPS location information can be actively transferred by PLC-502 to the host PC. As shown in the figure below, in PLC-505’s configuration webpage, choose “DTU Function” ->...
  • Page 83 PLC-502 User Manual Figure Appendix 8-1: Set GPS report interval After PLC-502 connects to mServer, it will actively transfer location information to mServer, and customer can check location information via Vircom software, as shown in the figure below:...
  • Page 84 PLC-502 User Manual Figure Appendix 8-2: Check location information with Vircom software...

  • Page 85: Appendix 9: Lianwangbao's Modbus Tcp Interface Description

    PLC-502 User Manual Appendix LianWangBao’s MODBUS TCP Interface Description LianWangBao has built-in MODBUS TCP protocol, and as MODBUS TCP slave, MODBUS TCP client can get system time, LianWangBao current status, signal strength, LianwangBao serial ID, SIM card ICCID, and longitude/latitude, etc. Acquiring longitude/latitude needs GPS/BDS location module embedded in LianWangBao.
  • Page 86 PLC-502 User Manual status 0: Running 1: Breakdown CPU usage, with value Int16 0~100 Memory usage, with Int16 value 0~100 Positioning status, 0: Int16 Invalid, 1: Valid 17~18 Float32 Running time, unit: hour 19~20 Reserved LianWangBao serial ID, 21~35 Int16 15 digits, encoding with Reserved SIM card ICCID, 20...

  • Page 87: Appendix 10: Lianwangbao's Enhanced Dmz Function

    PLC-502 User Manual Appendix LianWangBao’s Enhanced DMZ Function In case LianWangBao chooses WAN or WIFI network, if some PC in the same WAN/WIFI network needs to connect to devices under LianWangBao, the enhanced DMZ function can be enabled. By default, only one host can be specified for DMZ host. The enhanced DMZ allows multiple hosts.
  • Page 88 PLC-502 User Manual After configuration, save and reboot LianWangBao. Then, PC in the WAN network can access PLC 1 via IP: 192.168.0.190, and PLC 2 with IP: 192.168.0.191. For example, to download/upload PLC program:...
  • Page 89 PLC-502 User Manual Similarly, in case LianWangBao connects to WIFI network, the DMZ rules are configured below: Attention: In case WAN is specified in the rules, please enable WAN network; and in case WIFI is specified in the rules, please enable WIFI network. Go to Network Settings --> Network Select, and choose WAN or WIFI to enable the corresponding network.

This manual is also suitable for:

Plc-502-w0Plc-502-w4Plc-502-w4g

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