Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 User Manual
Page 65

Program Control Instructions
Chapter 7
7Ć4
Figure 7.3
Immediate Input Instruction
2
I/O Scan
Program Scan
Word 112
Examine Bits in
Word 112 Here
in Program
Module
Group
(Input)
16 Bits from
One Module Group
Written into Input
Image Table Word
Returns to
Program
Immediate Input Instruction
Interrupts Program Scan
10151ĆI
Scan
An Immediate Output Update instruction interrupts the program scan to update
the module group with data from corresponding output image table word
address (Figure 7.4). The image table is updated before the normal I/O scan
and executed each program scan when the rung is true. It can be programmed
unconditionally. This instruction immediately transfers output data from the
selected 16-bit word in the output image table without waiting for the normal
I/O scan.
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