GD350-19变频器通过SSI走位置模式，电子传动比该怎么计算？
<p><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">现场</span>SSI<span style="font-family:宋体">测距仪为</span><span style="font-family:Times New Roman">24</span><span style="font-family:宋体">位，分辨率为</span><span style="font-family:Times New Roman">0.1mm</span><span style="font-family:宋体">，故需要确认</span><span style="font-family:Times New Roman">P20.25=16</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">P20.26=8</span><span style="font-family:宋体">。</span><span style="font-family:Times New Roman">P17.60</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">P17.61</span><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">SSI</span><span style="font-family:宋体">激光测距仪实际反馈的位置，</span><span style="font-family:Times New Roman">P18.14</span><span style="font-family:宋体">、</span><span style="font-family:Times New Roman">P18.15</span><span style="font-family:宋体">为编码器反馈的位置。</span></span></p><p style="margin-left:28px;text-indent:28px;line-height:27px"><span style=";font-family:'Times New Roman';font-size:14px"><span style="font-family:宋体">变频器运行前，首先记录</span>P17.60<span style="font-family:宋体">的值为</span><span style="font-family:Times New Roman">x0</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">P17.61</span><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">X0</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">P18.14</span><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">Y0</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">P18.15</span><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">y0</span><span style="font-family:宋体">，然后通过键盘启动变频器，让电机运行一定距离，之后记录</span><span style="font-family:Times New Roman">P17.60</span><span style="font-family:宋体">的值为</span><span style="font-family:Times New Roman">x1</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">P17.61</span><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">X1</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">P18.14</span><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">Y1</span><span style="font-family:宋体">，</span><span style="font-family:Times New Roman">P18.15</span><span style="font-family:宋体">为</span><span style="font-family:Times New Roman">y1</span><span style="font-family:宋体">，则：</span></span></p><p style="text-align:center;line-height:27px"><span style=";font-family:'Times New Roman';font-size:14px">P21.12<span style="font-family:宋体">【位置指令比率分母】</span><span style="font-family:Times New Roman">=|65535*(X1-X0)+(x1-x0)|</span></span></p><p style="text-align:center;line-height:27px"><span style=";font-family:'Times New Roman';font-size:14px">P21.11<span style="font-family:宋体">【位置指令比率分子】</span><span style="font-family:Times New Roman">=|65535*(Y1-Y0)+(y1-y0)|</span></span></p><p><span style=";font-family:'Times New Roman';font-size:14px">P21.11<span style="font-family:宋体">与</span><span style="font-family:Times New Roman">P21.12</span><span style="font-family:宋体">的值可以根据适当比例进行约分，为了保证电子传动比的准确性，需要进行多次重复测试。</span></span></p><p><br/></p>
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