Four basic features of fieldbus control system The main features of the fieldbus control

Four basic features of fieldbus control system
The main features of the fieldbus control system are as follows:
1. The openness of the system
The traditional control system is a self-closed system. Generally, it can only communicate through the serial port or parallel port of the workstation. In fieldbus technology, users can combine products from different suppliers into arbitrary systems according to their needs and objects.
2. operability and reliability
In the case of using the same communication protocol for the fieldbus, as long as the appropriate bus card, socket and adapter are selected, the information transmission and communication between the interconnected devices and the system can be realized, which greatly reduces the workload of wiring and checking lines, and effectively improves control. The reliability.
3. Intelligent and functional autonomy of field devices
The signal transmission of the traditional numerical control machine tool is the one-way transmission of the analog signal. The error produced by the signal in the transmission process is relatively large. It is difficult for the system to quickly determine the fault and run with a fault. In the field bus, two-way digital communication is adopted, and functions such as sensing measurement, compensation calculation, engineering quantity processing and control are distributed to the field devices, and the operation status of the device can be diagnosed at any time.
4. Adaptability to the site environment
Fieldbus is designed to adapt to field environment work. It can support twisted pair, coaxial cable, fiber optic cable, radio frequency, infrared and power lines, etc. It has strong anti-interference ability, can use two-wire system to achieve power transmission and communication , and can meet the safety and explosion-proof requirements.