3.4. DESCRIPTION OF ELECTRICAL DEVICES
The figure shows the position of the devices on the machine.
1. Gearmotor:
it activates the arm rotation.
2. Gearmotor:
it activates the film carriage movement.
3. Carriage limit microswitch:
it is activated when the film carriage reaches the minimum and maximum wrapping height.
4. Photocell:
it detects the height and the presence of the load to be wrapped.
5. Inductive sensor:
it detects the “synchronised” position of the rotary arm and enables the brake engagement.
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