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Setpoint Value Limiter設(shè)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).設(shè)定值限制器起到限制設(shè)定值在設(shè)定點高限和低限之間范圍內(nèi).
The actions of the setpoint value limiter are described below:設(shè)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):當(dāng)設(shè)定值是一個超過設(shè)定點高限或高報設(shè)定點的值:
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).一個確認(rèn)對話框?qū)⒊霈F(xiàn)提示操作者確認(rèn).核對報警操作,操作者可以設(shè)定一個超過設(shè)定點高限或高報設(shè)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):當(dāng)設(shè)定值是一個低于設(shè)定點下限或低報設(shè)定點的值:
