--ODOT S2E2/S4E2

■ Support protocol conversion between Modbus RTU and Modbus TCP.

​■ Support 5 TCP clients connection at the same time.

​■​ ODOT-S2E2 supports RS485 serial port connection.

​■​ ODOT-S4E2 supports RS485/RS232/RS422 serial port connection.

​■ ​Support Modbus master mode and slave mode.

​■ Working temperature -40~85°C.

The ODOT-S2E2/S4E2 is a Modbus-RTU/ASCII to Modbus-TCP protocol converter. It can connect the Modbus device to the PLC and Client with Modbus TCP communication interface. It supports 5 Modbus TCP client connections at the same time. Product shell is made of metal. The construction is firm, compact and beautiful in design. It supports DIN -rail installation. Serial signals provide built-in optical isolation.

  • Ethernet interface

Protocol: MODBUS TCP

Number of ports: 2(Switch function) 
Data communication rate: 10M/100Mbps 

Connection type: RJ45

  • Serial port interface

Number of ports: 2(ODOT-S2E2)  4(ODOT-S4E2) 

Port Protocol: Modbus RTU/ASCII

Serial port standard: RS485(ODOT-S2E2) 


Connection: 3.81mm plug-in screw terminal

ESD protection: ±16KV

RS-485 terminal resistance: External 120Ω

Data bits: 7,8

Stop bit: 1,2

Check Digit: No parity, odd parity, even parity

Baud rate: 1200~115200bps

  • Mechanical

Shell: metal shell
Size: 27.5*110*110mm

  • Working environment

Temperature: -40~85℃
Storage temperature: -55~125℃
Relative humidity: 5~95% (non-condensing) 

  • Power requirement

Input voltage: 9~36 VDC

Power interface: 3.81mm plug-in screw terminal

Power consumption: Max.100mA@24V

  • Certification


  • Warranty

Period: 3 years

  • Software

Configuration software: ODOT-CC Testing software

ODOT-S2E2: 2-Port Modbus RTU/ASCII to Modbus TCP Server Gateway, Serial supports Rs485,
 9~36 VDC,-40~85℃.
ODOT-S4E2: 4-Port Modbus RTU/ASCII to Modbus TCP Server Gateway, Serial supports RS485,
9~36 VDC,-40~85℃.

  • One set of ODOT-S2E2 or ODOT-S4E2

  • Warranty card

  • Qualified Certificate