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

Page 157

Block Transfer

Chapter 14

14-2

Figure 14.1

Image Table Byte Relationship vs Module Position

ЙЙЙЙЙ

ЙЙЙЙЙЙ

Data Table

Bit Numbers

10 07

17 00

Output Image Table

Control Byte

Input Image Table

Status Byte

010

012

017

110

112

117

Output Image

Table Word,

Lower Byte

Input Image

Table Word,

Lower Byte

Block

Transfer

Module

Left Slot Right Slot

The lower byte of the I/O image table words is used when the module is in the left slot

and the upper byte when the module is in the right slot.

10222

The block transfer read or write operation (Figure 14.2) is initiated in the
program scan and completed in the I/O scan as follows: