BCNet-HU is an economical Ethernet communication processor. It is designed to meet the increasing information requirements of factory equipment (equipment network monitoring and production management). It is used for serial communication parameter configuration and is the sink of Modbus RTU slave station. The Ethernet data acquisition of multiple series PLCs such as H0U-XP, H1U-XP, H2U-XP, H2U, H3U is very convenient to build a production management system. If Inovance PLC serial communication parameter configuration is download/HMI monitoring protocol, select BCNet-FX.

BCNet-HU features:

  1. Installed on a 35mm guide rail, and directly connected to the ModbusRTU (RS485/RS422) interface of the PLC through a communication cable.
  2. Integrate a WEB server, through the web page, you can set device parameters and run diagnostics, and set a login protection password to prevent tampering with configuration data.
  3. This product is suitable for the network upgrade of Modbus RTU, and can cooperate with the configuration software of the host computer that supports Modbus TCP to read PLC data through this module.
  4. Support asynchronous and uninterrupted ModbusTCP access mode, which is different from the traditional master-slave response half-duplex mode, providing more efficient data access. That is, the client’s Modbus TCP request can send multiple Modbus TCP requests at the same time without waiting for the reply from the device, and the module will automatically and asynchronously reply to the response frame.
  5. The serial port supports RS485 and RS422, and the baud rate supports 9600bps~115200bps optional.
  6. 2KV surge protection, ESD electrostatic protection, high-strength anti-electromagnetic interference.
  7. When connecting to a ModbusRTU slave station, multiple PCs are allowed to collect PLC data at the same time, and the real-time and reliability of data communication is fully guaranteed.
  8. Support firmware update on the user side through Ethernet, provide firmware with more functions for free, purchase hardware once, and upgrade permanently.


Technical Parameter

Product numberBCNet-HU
DescribeInovance PLC Ethernet communication processor (ModbusRTU slave)
ColorMetallic Black
Status DisplayPwr,COM1,COM2,Link
Ethernet interface
Interface Type
Transmission rate
Protocol support
IEEE 802.3 compatible, Link/Active indicator, line sequence adaptive, support Auto-MDIX
RJ45 female socket
Modbus TCP
Number of TCP connections6
X1 interface (connected to PLC)
Interface Type
Transmission rate
Protocol support
MD8 female seat
RS485, RS422 optional
X2 interface (with HMI)
Interface Type
Transmission rate
Protocol support
MD8 female seat
RS485, RS422 optional
Configuration Software
OPC software
Kingview, 3D Force Control, etc.
KepWare OPC
Diagnostics and Parameter settingIE browser, default, BCDevice
Power supply
Voltage type
Communication port to get power or External 24VDC
Operating temperature0~60℃
Working humidity90% non-condensing
Installation method35mm rail installation
Electromagnetic Compatibility2014/30/EU
Factory agingThe 60-degree aging box runs for 168 hours, and the power is turned on and off 500 million times
Communication stabilityContinuous communication with PLC for 30 days, 130 million times of communication with 0 errors
CertificationCE Certification
Dimensions (LWH)90*24*65mm

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