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。

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The pressure of remote pipeline facilities can be monitored, and alarm information will be issued when pressure goes beyond limits.

此无线远程监测系统可以监测远程管道设备的压力，当压力超出设定的限值时，发出报警信息。

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Software prevents inappropriate data entry and sounds an alarm if the process moves outside set limits.

提供软件保护功能，防止输入错误数据；处理过程超过设定值，有声音报警提示。

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Despite the usual complaints about government heavy-handedness from Republicans and business lobbyists, the House bill contains none of the expected attempts to impose detailed limits on the size or structure of pay that would merit such alarm.

ECONOMIST: Regulating executive compensation