根据其设置，如果压力、温度等过程因素的测量信号超出或低于指定的极限值，限位开关会导致紧急关闭或警报。

　　原文：

　　Depending on its settings, a limit switch causes an emergency shutdown or alarm if the measuring signal for a process factor such as pressure, temperature, etc. either overruns or underruns a specified limit-value.