1. PLC Concepts WPLSoft programming (SFC mode) 1-19 SFC logic Internal Ladder Logic LAD-0 S0 0 S20 S30 1 5 S21 S31 2 6 S22 S32 3 7 S23 S33 4 S0 LAD-0 M1002 ZRST S0 S127 SET S0 Transfer condition 1 T0 TRANS* S22 TMR T2 K50 M1013 Y2 Transfer condition 4 T13 TRANS* Transfer condition 7 T12 TRANS* ZRST S0 S127 SET S0 0 S30 1 1 S31 2 2 S32 3 7 3 S33 TMR T2 K50