The drilling device model is a simple device that enables the automatic clamping and drilling of a workpieces. After pressing start, cylinder A first clamps the workpiece then the motor M1 is switched on and the machine will drill into the workpiece via cylinder B. When the drilling process is complete, cylinder B first retracts and then cylinder A after the motor has been switched off.
Input / output assignment
The inputs and outputs of the model are assigned as follows. (The designation input or output refers to
in each case on the connected controller):
Input No. Name TwinCAT-variable name Description
1 B1 I_B1 Limit switch cylinder 1 home position (normally open)
2 B2 I_B2 Limit switch cylinder 1 working position (normally open)
3 B3 I_B3 Limit switch cylinder 2 home position (normally open)
4 B4 I_B4 Limit switch cylinder 2 working position (normally open)
5 S1 I_S1 Start button (normally open)
Output No. Name TwinCAT-variable name Description
1 Y1 O_Y1 cylinder 1 working position
2 Y2 O_Y2 cylinder 1 home position
3 Y3 O_Y3 cylinder 2 working position
4 Y4 O_Y4 cylinder 2 home position
5 M1 O_M1 switch on the Drill