Cam controllers achieve the control function on the basis of the machine position or in a time-controlled manner. This function can be compared to the cam of a disc, whereby the switch-on and switch-off points for every outputs are determined according to the sections of the circle.
These devices are used wherever a quick and accurate control operation is essential depending on a fixed connection to the machine position, for example on packaging machines or glue application devices. The position is identified by a rotary encoder connected to the device.
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