速度环运行，电机无法达到设定转速，怎么办？
<p style=";margin-top:6px;margin-bottom:0;margin-left:.38in;text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size: 24px;font-family:华文楷体;color:black">一、首先查看伺服转速是否达到了限制值。</span></p><p style=";margin-top:6px;margin-bottom:0;margin-left:.38in;text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:24px;font-family:Calibri;color:black"> </span><span style="font-size:24px;font-family:Calibri;color:black"> P8.12</span><span style="font-size: 24px;font-family:华文楷体;color:black">：</span><span style="font-size: 24px;font-family:华文楷体;color:black">伺服最高转速；</span></p><p style=";margin-top:6px;margin-bottom:0;margin-left:.38in;text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:24px;font-family:Calibri;color:black"> </span><span style="font-size:24px;font-family:Calibri;color:black"> P4.31</span><span style="font-size: 24px;font-family:华文楷体;color:black">：最大转速限制；</span></p><p style=";margin-top:6px;margin-bottom:0;margin-left:.38in;text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:24px;font-family:Calibri;color:black"> </span><span style="font-size:24px;font-family:Calibri;color:black"> P4.40</span><span style="font-size: 24px;font-family:华文楷体;color:black">：</span><span style="font-size: 24px;font-family:华文楷体;color:black">正向速度限制；</span></p><p style=";margin-top:6px;margin-bottom:0;margin-left:.38in;text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:24px;font-family:Calibri;color:black"> </span><span style="font-size:24px;font-family:Calibri;color:black"> P4.41</span><span style="font-size: 24px;font-family:华文楷体;color:black">：</span><span style="font-size: 24px;font-family:华文楷体;color:black">反向速度限制。</span></p><p style=";margin-top:6px;margin-bottom:0;text-indent:0in;text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size: 24px;font-family:华文楷体;color:black">二、观察</span><span style="font-size: 24px;font-family:Calibri;color:black">R2.47</span><span style="font-size: 24px;font-family:华文楷体;color:black">电压利用率，是否达到了</span><span style="font-size:24px;font-family:Calibri;color:black">100%</span><span style="font-size:24px;font-family:华文楷体;color:black">。当电机转速过高时，反电动势过高导致伺</span></p><p style=";margin-top:6px;margin-bottom:0;text-indent:0in;text-align:left;direction:ltr;unicode-bidi:embed"><span style="font-size:24px;font-family:Calibri;color:black"> </span><span style="font-size:24px;font-family:Calibri;color:black"> </span><span style="font-size:24px;font-family:华文楷体;color:black">服驱动器输出电压饱和，无法再提升转速。此时，可以打开弱磁开关，观察</span><span style="font-size:24px;font-family:Calibri;color:black">R2.29D </span><span style="font-size:24px;font-family:华文楷体;color:black">轴电流指令是否有负值，观察</span><span style="font-size:24px;font-family:Calibri;color:black">R2.47</span><span style="font-size:24px;font-family:华文楷体;color:black">电压</span><span style="font-size:24px;font-family:华文楷体;color:black">利用率是否控制在</span><span style="font-size:24px;font-family:Calibri;color:black">P2.87</span><span style="font-size:24px;font-family:华文楷体;color:black">的设定值附近，来判断弱磁是否起效。</span><span style="font-size:24px;font-family:Calibri;color:black"> </span></p><p><br/></p>
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