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  • Rs485 Serial Port Modbus Rtu Router With Logic Control Ai Di Do For Smart City - China

    price: 246.00 Dollar US$

    R40 is an industrial edge router, compatible with 4G 3.5G 3G 2.5G network, flagship configuration, VPN link, industrial protection, wide temperature, wide voltage design, easy to set up high speed, stable.

    The wireless transmission network uses the public LTE network to provide users with wireless long-distance data transmission, can be used in multiple industrial applications.

    It is an industrial-grade multifunctional Internet of Things terminal device that supports POE power supply, comes with IO input and output, with 2 serial ports, supports transparent transmission, Modbus Master protocol for expanding IO and connecting PLC and other devices.

    It adopts dual SIM card redundancy design to ensure stable and reliable data transmission, supports MQTT protocol and Modbus protocol, SNMP protocol and is compatible with most PLC protocols, greatly simplifying on-site wiring construction costs and reducing operation and maintenance costs.

    High-performance industrial-grade edge router adopts 32-bit processor, developed based on Linux system, supports GSM 2G 3G 4G GPRS EDGE WCDMA HSPA+ LTE network, provides high-speed wireless network bandwidth for the device through wireless connection, and has automatic detection of network disconnection, automatic restart of dial-up failure, and scheduled restart to ensure network stable connection.

    Model Selection Model Serial Port WAN LAN WIFI Digital input Digital output Analog input Extend function

    R40 1RS485, 1RS232 1 3 √ 2 2 x Modbus slave/MQTT

    R40A 1RS485, 1RS232 1 3 √ 2 2 x Modbus master/slave/MQTT

    R40B 1RS485, 1RS232 1 3 √ 2 2 4 Modbus master/slave/MQTT Main Features

    Ø DIN(2 channel) : Support NO/NC/counting input, frequency <100, can set counting threshold, support alarm trigger.

    Ø DO(2 channel): Can be set according to the trigger condition.

    Ø AIN(4 channel): Support 0-5V, 0-20mA, 4-20mA, can set threshold value, support alarm trigger.

    Ø Support SMS to query DI/DO/AI status and value, and set DO status; Ø Support 4G wireless Internet access function, can set APN and other parameters; Ø Two SIM card slots, support dual card switching; Ø Support GPS, positioning data can be released through MQTT; Ø VPN: Support L2TP, IPSEC, OPENVPN and other VPN protocols.

    Ø Interface: Support RS485 and RS232 serial port transparent transmission and MODBUS RTU to TCP, Support MODBUS master, can regularly read MODBUS slave node data through RS485, RS232 and Ethernet.

    Ø Support address mapping, mapping RS485, RS232 and Ethernet access device addresses to router local addresses.

    Ø Support monitoring the online status of network devices connected to the LAN port, which can be reported to the platform through MODBUS or MQTT.

    Ø Link switching: Support WAN port and 4G network connection switching, preferentially use WAN port wired network.

    Ø Network management: Supports SNMPV1 / V2C.

    Ø Platform connection: Support MODBUS and MQTT protocols, MQTT supports SSL encryption.

    Ø Alarm: Supports SMS and e-mail alarm.

    Ø Timer: Support one-time timer and period timer.

    Ø Logic operations: Support Boolean and numeric logic operation, also support conditions and arithmetic logic operations; Ø Upgrade: Support remote upgrade through web page


    Company Contact:


    • Phone: 075529451836

    • Address: 2F, A2 Building, Fuhai Information Port, Xinhe Community, Fuhai Street, Baoan, Shenzhen, China, Shenzhen , Guangdong , China

    • Email: Email


    Published date: September 14, 2024

    • Business Description: Founded in 2005, Beilai Technology is an innovative manufacturer dedicated to the development and manufacturing of Industrial IoT, Industrial Edge Computing, Industrial Automation Data Acquisition and Communication devices.

      Beilai is the pinyin of barium-rhenium in Mandarin.

      Barium is a lively element, and rhenium is the last element discovered by human beings.

      The meaning of barium-rhenium is to be brave in innovation and explore the most cutting-edge technology.

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