VI
Figure 6.33 Simple PLC operation diagram...............................................................92
Figure 6.34 Multi-steps speed operation diagram....................................................94
Figure 6.35 Motor overload protection curve. ............................................................97
Figure 6.36 Overload pre-warning schematic diagram..............................................98
Figure 6.37 Over-voltage stall function. .....................................................................99
Figure 6.38 Over-current stall function. ...................................................................100
