Schema Collegamento Pin PONTI CONNETTORE X11 1-2  external e-stop A 3-4  operator safety A 5-6  acknowledge operator safety A 7-8  safe operational stop A 9-10 safety stop 2 A 11-12  external enabling 1 A 13-14  external enabling 2 A 19-20  external e-stop B 21-22  operator safety B 23-24  acknowledge operator safety A 25-26  safe operational stop B 27-28  safety stop 2 B 29-30  external enabling 1 B 31-32  external enabling 2 B