Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 - Manual (Page 24)

An Introduction to
Programmable Controllers
Chapter 2
2Ć10
Figure 2.2
Scan Sequence
11597
Output
Image
Table
Input
Terminals
Input
Image
Table
Output
Terminals
Copy output image table status
into output terminal circuits.
Copy input terminal status into
input image table.
Program Statement
Execute each program rung in
sequence, writing into bits in the
data table, including the output
image table.
I/O
Scan
Program
Scan