Examples 6.6.2 Reversing circuit (reversing starter) with forced stop Wiring diagram Instruction list O O00.00 :right contactor L I00.01 :right push-button AN O00.01 :left contactor AN I00.00 :Stop push-button*) = O00.00 :right contactor L I00.00 :left push-button O O00.01 :left contactor AN O00.00 :right contactor AN I00.00 :Stop push-button*) = O00.01 :left contactor Notes: We recommend that you provide a contactor interlock outside the PLC because switching between outputs is very fast. *) Type A (AND) at this point if an n.c. Stop button has been connec- ted outside the controller for safety reasons. 105