Two switch measures ports (upper and lower limits), used in limited alarm or the ration controlling.
路开关量输出接口，用于限量报警或定量控制。
When display value of voltage is out of the scope of upper and lower limit protection value, alarm indication lamp of controller is lighted.
当电压、谐波测量显示值超出设定的上、下限保护值的范围时，控制器报警指示灯亮。
In addition, the scratchpad provides access to the 1-byte upper and lower alarm trigger registers.
此外，暂存器可以访问的1个字节的上限和下限报警触发寄存器。
When the ultrasonic distance between the module and the obstacle exceeds the upper limit or lower limit, the buzzer alarm.
当超声波模块与障碍物之间的距离超过设置的上限值或者下限值时，蜂鸣器发出报警。
When some environmental values exceeded the setting upper and lower limit or faults come out, control system would send out alarm by buzzer and LED.
当环境内某一环境因子超出预先设定的上、下限报警值或系统运行出现故障时，由蜂鸣器和发光二极管进行报警。
Compare function, free to set upper and lower deviation, red and green indicator light and buzzer sound and light alarm settings automatically;
比较功能，上下限偏差值自由设定，红绿指示灯及蜂鸣器自动声光报警设置；
Nine, the upper limit temperature alarm function, temperature alarm function, the upper / lower limit temperature can be set;
温度上限报警功能， 温度下限报警功能，上/下限温度可设定 ；
Introduced a type complex press-switch sensor. The sensor can setup many switch value, provide upper-limit, lower-limit and security alarm.
介绍一种复合式压力开关传感器，可设置多路开关量限，提供系统上、下限和超限报警。
Upper and lower limits of the alarm can be set freely;
报警上限和下限任意设定；
Automatic Burden of reliable industrial control aircraft as upper-management, interface, operational control, alarm functions provided in full;
自动配料部分以可靠的工业控制机作为上位管理机，界面显示，操作控制，报警功能设置完备齐全；
The system also has the function of sound and light alarm, and it can set the alarm value by the upper and lower button.
该系统还具有声光报警功能，并可通过按键对报警上下限进行设置。
The system also has the function of sound and light alarm, and it can set the alarm value by the upper and lower button.
该系统还具有声光报警功能，并可通过按键对报警上下限进行设置。
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