在前馈控制和其他PID环控制这个PID的CV输出的情况下，也可能用到CV偏差值。如果用到积分增益Ki,因为积分器作为可以看作自动的偏差量，所以这是一般将CV偏差值设为0。启动手动模式并且使用手动命令字(%Ref+13)将积分器设定到期望的CV,然后转到自动模式。如果将Ki为0,这也起作用，除非在进入自动模式后，积分器不是基于Error调节的。

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