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HJ8500 Serial Port SDK M2M Cellular Router for PLC HMI USB Machines
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Title:HJ8500 Serial Port SDK M2M Cellular Router for PLC HMI USB Machines
Description:HJ8500 M2M 4G LTE router supports USB port HMI and PLC remote program uploading/downloading. Easy to use and configure, no need server. You can remotely access your PLC and HMI by using our HJ8500 router and SmartLINK software. We will provide you with full technical support. It will only take 5 minutes to help you to realize PLC remote communication. It can be widely used at home and abroad. You do not need to go to the site to debug or upgrade PLC any more. HJ8500 router can connect with PLC and HMI simultaneously.
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HJ8500 industrial grade 3G 4G router adopts embedded Linux OS, industrial grade low power consumption processor and industrial grade communication modules. It supports 1 WAN port, 2 LAN ports, WiFi, 4G, 1 RS232 port, 1 RS485 port and1 USB port


HJ8500 supports Siemens PLC, Mitsubishi PLC, Schneider PLC, AB, Beckhoff PLC, Panasonic PLC, Omron PLC, Weinview HMI, Siemens HMI and more. It supports Ethernet port and serial port RS232/RS485 communication. 

HJ8500 can be installed with SDK compiling environment which supports secondary development on the device with C, C++, PHP, Python. You can directly do compiling in the device by SSH connecting to the device.



Support MQTT, MySQL, FTP, 3G/4G/LAN/WiFi/USB data transmission. 

Functions and Features

Support VPN secure tunnel function including PPTP+MPPE+MPPC and IPSEC+L2TP
Unique SmartLINK technology to set up remote LAN
Support 4G/Ethernet/ WiFi automatic switch-over, no need disconnect the network
Support timer switch 
Support online detection, online maintaining, automatic redial to ensure device always online
Support various 3G and 4G LTE frequency bands 
Support IPTABLES firewall, filtrated-packets function
Support various protocols: TCP/IP,UDP,ICMP,SMTP,HTTP,POP3,OICQ,TELNET,FTP, etc
Support Dynamic IP and static IP
Support NAT function such as SNAT,DNAT
Support DMZ mainframe
Support routing forward, serial port data transmission, data center management
Support APN/VPDN network
Friendly WEB configuration, support WEB remote management
Support telnet management, easy use console shell interactive environment
Support multiple terminals sharing router ppp WAN port
IP Support multiple wireless dial modes: automatic allocation, specific IP, specific local end IP
Support working as PPP server, multiple authentication method and bidirectional authentication
Support real-time clock sntp, updating time online
Support DTU function
Easy COM and SYSLOG system diagnosis and debugging function
Support log viewing
Support serial port software local upgrading, support TFTP software remote upgrading, support configurations output and input, support WEB online updating firmware