9 Electrical CAM
DVP-PM Application Manual
9-58
shaft and the coil shaft. Due to the possible delay of CPU operation, this kind of winding process has lower
accuracy on speed synchronization. Therefore, the coil winding quality could be signicantly lowered because the
uneven winding results. For example, generally PLC executes the reverse winding operation through interruption
when the set up position from the winding shaft is reached. In this case, error will occur due to the delay of CPU
operation. In low speed situation, the basic demanded quality could be fulfilled. However, in high speed and
multi-layered winding situation, the surface of coil will become uneven and the winding quality will drop down.
DVP-PM PLC is designed specifically for motion control applications. DVP-PM applies duo CPU structure with
one CPU exclusively processing motion control algorithm. Therefore, motion control operations such as trajectory
drawing, linear/arc interpolation can be well performed with common logical control. In this high speed winding
application we apply the E-CAM function to solve the switching delay problem of reverse winding situation
explained above.
9.6.1.1 Explanations on High Speed Winding Devices
There are 9 parts of devices in a high speed winding system as below:
（1） Machine stand
The machine stand consists of steel angle frames and stailess platform with castors at the bottom.
When the machine stand is located in proper position, users can lower the bottom stands to fix the
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