When triggered by the building's fire alarm control panel, it alerts building occupants to the location of the nearest exit using directional sound.
当大厦的火警警报控制面板被触发，该扬声器会使用定向声音引导住户到最近的出口。
One radial vibration probe positioned in " Y " plane for each rotor after impeller. For vibration display, alarm and shutdown, function wired to control panel.
每级叶轮后的转子轴处都装有一径向振动探头，线接至控制柜，为每级振动的显示、报警和停机。
RTD mounted after each cooler, for air temperature display, alarm and trip function wired to control panel.
电阻测温计安装在每级冷却器后并与空压机控制柜相联，以对空气温度进行显示、报警和停机。
Functions including control, serial communication and alarm are enabled with buttons and PLC output port on the instrument panel.
该仪表通过外部按钮或PLC输出接点可实现对仪表的控制、串行通信和报警等功能。
Functions including control, serial communication and alarm are enabled with buttons and PLC output port on the instrument panel.
该仪表通过外部按钮或PLC输出接点可实现对仪表的控制、串行通信和报警等功能。
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