Flexport HF2211 - Modbus Protocol

HF2211 Serial Server Device User Manual
http://www.iotworkshop.com - 36 -
Wait after last time
forward complete
Received
first Byte
Received trigger
length Byte
Auto-Frame
trigger time
Start Computing time
Data transfer
to network
Wait after last time
forward complete
Received
first Byte
Received under
trigger length Byte
Auto-Frame trigger
timeout, The received data
forward to network.
Start Computing time
1.
2.
Figure 40. UART Auto-Frame Function
Figure 41. UART Auto-Frame Function
3.9.3. Tag Function
Eport E10 support lable function, If user select to open this function, The UART port will send all
suitable one frame data to network.
Figure 42. UART Auto-Frame Tag Function
3.10. Modbus Protocol
HF2211 support ModbusRTU to ModbusTCP and ModbusTCP to ModbusRTU. It’s very convenient to
connect with Modbus device. Modbus protocol setting as below: