Proceed as follows:
1 Purchase a lathe handwheel with an enable button, as shown below
picture
2. Find the connecting wire of the original panel handwheel and connect it to the corresponding I/O board JA3 plug.
picture
welding cable
3 Connect the X signal point
Find 5 unused X signals on the IO board
X9.2 is the handwheel X-axis selection
X9.3 is the handwheel Z axis selection
X8.5 is the handwheel enable button
X8.6 is the X10 magnification switch
X8.7 is the X100 magnification switch
4. Write ladder diagram
As shown in the figure above, (added row 1 and added row 2), the address table is as shown below, in the red box.
5 Upload the ladder diagram and test. When the enable button is pressed, the additional second handwheel is effective and the handwheel works.
