Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual - Manual (Page 269)

Block Transfer
Chapter 18
18-4
The format of a block transfer read and a block transfer write instruction
with default values is shown in Figure 18.3.
Figure 18.3
Block Transfer Format
EN
BLOCK X FER READ
DATA ADDR:
MODULE ADDR:
BLOCK LENGTH:
FILE:
030
100
01
110- 110
DN
110
07
010
07
EN
BLOCK X FER WRITE
DATA ADDR:
MODULE ADDR:
BLOCK LENGTH:
FILE:
030
100
01
110- 110
DN
110
06
010
06
Numbers shown are default values. The number of default address digits initially displayed
(3 or 4) depends on the size of the data table.
Here is an explanation of each value:
This Value: Stores the:
Data Address First possible address in the timer/counter accumulated value area
of the data table
Module Address RGS for R = rack, G = module, S = slot number
Block Length Number of words to be transferred
(enter 00 for default value or for 64 words)
File Address of the first word of the file
Enable bit Ć(EN)Ć Automatically entered from the module address
Set on when the rung containing the instruction is true
Done bit Ć(DN)Ć Automatically entered from the module address
Remains on for 1 program scan following successful transfer
Block Transfer Format