Rockwell Automation 1772-LV Mini-PLC - 2/15 Programmable Controller (Series B) Programming and Operations - Manual (Page 69)

Advanced Instruction Set
Chapter 6
6Ć12
Figure 6.5
Immediate Input Instruction
I/O Scan
Program Scan
Immediate input instruction
interrupts program scan
Returns to
Program
Scan
Module
Group
(input)
16 bits from
one module group
written into
input image table word
Examine bits in word
112 here in program
Word 112
2
10151ĆI
Function: The instruction is always considered logic true and execution takes
place whether or not other rung conditions allow logic continuity.
Immediate Output Update
Symbol: -(IOT)-
Purpose: Transfers one word from the output image table to the output module
group.
Syntax: Programmed at the output side of the logic rung. When programming
only assign output image table bit addresses (Figure 6.6).
Function: Execution occurs when logic continuity is established.