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《橫河DCS培訓教材》
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● Auxiliary Output Values (PV, △PV, MV, △MV)輔助輸出值
The auxiliary output values include PV, △PV, MV and△MV, the types vary with the function block. The engineering unit and scale range of the auxiliary output values change in accordance with the connected destination of the SUB terminal.輔助輸出值包括PV, △PV,MV和△MV,類型隨功能塊而變化。輔助輸出值的工程單位和范圍隨著輔助輸出端的連接目標而變化。
• If the connected destination is a process I/O, the scale range and engineering unit of the auxiliary output values are fixed to “0 to
• When the connected destination is a function block and auxiliary output is the process variable (PV) or process variable change (△PV), the engineering unit and scale range of the output value agree with those of the process variable (PV).當連接目標是一個功能塊并且輔助輸出是一個過程變量或者過程變量變化值,輸出值的工程單位和量程跟PV一致。
• When the connected destination is a function block and auxiliary output is the manipulated output value (MV) or manipulated output change (△MV), the output value is regarded as having the same engineering unit and scale range as those of the manipulated output value (MV).當連接目標是一個功能塊而且輔助輸出是操作輸出值(MV)或操作輸出值變化值(△MV),輸出值的工程單位和量程跟MV一致ASR133-S00/SR3D0。
● Process Variable (PV)過程變量
The process variable (PV) can be output directly from the b indicator blocks.
The engineering unit and scale inbation of the process variable (PV) vary with the connected destination of the OUT terminal. PV可直接從輸入指示塊中輸出。PV的工程單位和量程隨著輸出端子的連接目標而變化ASR133-S00/SR3D0。
• If the connected destination is a process I/O, the scale range and engineering unit of the output value are fixed to “0 to
• If the connected destination is another function block, the scale range and engineering unit of the output value agree with those of the process variable.
如果連接目標是另一個功能塊,輸出值的工程單位和量程與PV值一致ASR133-S00/SR3D0。


