1.Pass the test of industry standard GB29364 "Fire Door Monitor"
2.Capable of detecting the open, closed, and fault status of each fire door
3.Mechanical buckle design, keep the electromagnet without power consumption when opening the door, simple and reliable
4.After power on, the sliding door automatically resets easily (normally open)
Built-in fire door monitoring module, each fire linkage door closer occupies 1 coded address
Use non-polar two bus system to connect with fire door monitoring host and extension
Working current only needs 2mA