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Setpoint Value Limiter设定值限制器
The setpoint value limiter function limits the setpoint value (SV) within a range between the setpoint high limit (SVH) and setpoint low limit (SVL).设定值限制器起到限制设定值在设定点高限和低限之间范围内.
The actions of the setpoint value limiter are described below:设定值限制器的作用描述如下:
• When a value exceeding the setpoint high limit (SVH) or high alarm setpoint (PH) is set as a setpoint value (SV):当设定值是一个超过设定点高限或高报设定点的值:
An acknowledgment dialog box appears to prompt for the operator’s confirmation. To check alarm operation, the operator can set a value exceed the setpoint high limit (SVH) or high alarm setpoint (PH).一个确认对话框将出现提示操作者确认.核对报警操作,操作者可以设定一个超过设定点高限或高报设定值的值.
• When a value below the setpoint low limit (SVL) or low alarm setpoint (PL) is set as a setpoint value (SV):当设定值是一个低于设定点下限或低报设定点的值:
