Profibus DP communication protocol is a single, consistent communication protocol for factory automation and process automation. Support multi-master system, each master according to time allocation of its bus control, using token (token frame protocol) for communication.

 Advantage：

1. 1、Improve communication efficiency: PROFIBUS DP protocol can achieve faster data transmission speed and lower bit error rate;

2. 2、Reduce communication cost: the use of PROFIBUS DP protocol can reduce communication module consumption and interface converter costs；

3. 3、IMPROVE SYSTEM RELIABILITY: PROFIBUS DP protocol can improve system reliability and stability;

4. 4、Compatibility: Profibus DP protocol can communicate transparently with other open and widely used communication protocols, such as Modbus protocol；

5. 5、Flexibility: PROFIBUS DP protocol supports a variety of device types, including distributed I/O, PLC, DCS, intelligent devices, etc；

6. 6、High Security: PROFIBUS DP protocol supports data encryption and authentication to ensure data security;

7. 7、Easy Maintenance: PROFIBUS DP protocol provides a wealth of diagnostic information for easy maintenance and troubleshooting.