4 Step Ladder Instructions Examples of alternative divergence & alternative convergence: Ladder diagram: SFC: M1002 S1 X0 S20 Y0 X1 S30 Y1 X4 S31 Y3 X7 S32 Y5 X2 X5 X10 S40 Y2 S41 Y4 S42 Y6 X3 X6 X11 S50 T1 S60 Y7 X12 S1 DVP-PLC Application Manual 4-14 M1002 ZRST S0 S127 SET S1 S1 X0 S SET S20 S20 S Y0 X1 SET S30 X4 SET S31 X7 SET S32 S30 S Y1 X2 SET S40 S40 S Y2 X3 SET S50 S31 S Y3 X5 SET S41 S41 S Y4 X6 SET S50 S32 S Y5 X10 SET S42 S42 S Y6 X11 SET S50 S50 S TMR T1 K10 T1 SET S60 S60 S Y7 X12 S1 RET END ZRST S0 S127 SET S1 SET S20 SET S30 SET S31 SET S32 TMR T1 K10 SET S40 SET S50 SET S41 SET S50 SET S42 SET S50 TMR T1 K10 SET S60