Page 323 - Programmable Logic Controllers, Fifth Edition
P. 323
L1 Input Input A B3:1 Ladder logic program Output L2
TON
Input A TIMER ON DELAY EN
0
Timer T4:2
Time base 0.1 DN
Preset 50 PL1
Accumulated 0
T4:2 PL1
DN
T4:2
TON
TIMER ON DELAY EN
DN Timer T4:3
Time base 0.1 DN
Preset 100
Accumulated 0
T4:2 B3:1
DN 0
Figure 13-39 Program for Problem 14.
304 Chapter 13 PLC Installation Practices, Editing, and Troubleshooting
pet73842_ch13_281-304.indd 304 03/11/15 7:23 PM
