Product Name: Steel fire shutter door
1. The internal bus is used internally, and the data transmission is reliable and fast.
2, with phase sequence automatic detection, correction and phase loss protection. The main power backup power can be switched automatically.
3. It has abundant reserved interfaces and can be linked with the fire control center.
4. The full electronic learning and memory limit is absolutely accurate, and the upper limit and lower limit will never change.
5, using advanced microcomputer processor technology, stable and reliable, there is no upper limit height range limitation.
6, with smoke, temperature signal synchronization, distribution detection function.
7. The setting of operating parameters is simple, convenient and accurate.
8. With manual priority escape function.