PLC for Automatic Cutting Machine Notes : LS = Limit Switch. LS 1 = Limit Switch for Cutter Reverse. LS 2 = Limit Switch for Cutter Forward. LS 3 = Limit Switch for Clamp1 (Fixed) Forward (Clamp). LS 4 = Limit Switch for Clamp1 (Fixed) Reverse (UnClamp). LS 5 = Limit Switch for Clamp2 (Movable) Forward (Clamp). LS 6 = Limit Switch for Clamp2 (Movable) Reverse (UnClamp). LS 7 = Limit Switch for Clamp2 (Movable) Forward. LS 8 = Limit Switch for Clamp2 (Movable) Reverse. Number Of Inputs and Output PLC applied : 1. Number Of Inputs PLC is 11 Input : --- 1 Unit Input for Push Button Start. --- 1 Unit Input for Push Button Emg / Emergency. --- 1 Unit Input for Selector Switch Electric Motor ON. --- 8 Unit Input for Limit Switch (LS). --- Total Number Of Inputs PLC is Minimum 11 Input Unit. 2. Number Of Output PLC is 9 Output : --- 1 Unit Output for Contactor. It's Functions to electrical Motor Cutter ( ON / OFF Motor ) . --- 2 Unit Output