1. Complete the below timing diagram for S1, PB2, T4:0/EN, based on the ladder logic program shown below. 2. What is the preset value for timers T4:0, T4:1 and T4:2? L1 Inputs PB2 $1 51 PB2 ! 0 0 T40DN T40/EN 0 T4:1 DN 0 Time (sec) T4:1/EN 0 PL 0 $1 HE T4:0/EN HE T4:1/EN HE 0 T4:2/DN 0 PB2 JE 1 2 3 4 5 2 3 4 5 6 7 TON TIMER ON DELAY Timer Time base Preset Accumulated Timer Time base Preset Accumulated TOF TIMER OFF DELAY Timer Time base Preset Accumulated S 9 10 RTO RETENTITIVE TIMER ON T4:1 1.0 PL T4:0 1.0 plo 0 ?34 0 T4:2 1.0 ?83 0 T4:1 (RES) (ON) (EN) (ON) (EN) -(ON) Output PL 0 L2