...) 33(Y) power supply for output 22/34 CCW limit input 17(X) CW limit input 18(X) Emergency STOP input 24 VDC + Signal 24 V/0 V E32 OMRON Photoelectric Switch E3S-X3 CE4 (NPN output type) Limit switch (N.C. input) 20(Y) 21(Y) 19(X/Y) ! Caution 24 Stepping motor UPH599 +CW –CW When only one axis is used, short-circuit the CW limit input and CCW limit input of unused axis to 0 V in 24 VDC. If these are not short-circuited, the ERROR LED will light, although the axis in use will ...