控制器的一个重要功能是提供报警继电器触点。
An essential function of the controller is to provide alarm relay contacts.
同时，配置了2-SPDT干触点、内部报警器及防火蓝油，并可通过辅助触点实施远程控制。
The product features 2-SPDT dry contacts, an internal alarm, and a blue finish that is not confused with fire alarm stations. Auxiliary contacts can be used for remote annunciation.
应用推荐