Rockwell Automation 1771-IS 5V DC INPUT MOD - Manual (Page 34)

Programming and Operation
Chapter 3
3-15
Figure 3.8
Example Block Transfer Programming, PLC-2 Family
1
R
Block length code
Data Table
1 2 1
1
R
0 6 0
010
012
017
027
030
110
112
117
130
Output Image Table
Byte, contains Read
Enable Bit and Block
Length in binary code.
Data Address, contains
Module Address in BCD
Input Image Table Byte,
contains Done Bit
Storage location, contains
file address in BCD
First address, destination of
Transferred Data
EN BLOCK XFER READ
DATA ADDR:
MODULE ADDR:
BLOCK LENGTH:
FILE:
030
121
03
060–062
DN
012
17
112
17
Output
Image
Table
Accumulated
Area
Input
Image
Table
Preset
Area
10373
060
062
R = Bit 17 = READ
113
02
Diagnostics
9
8 7
6 5
4 1
2
–
012
17
113
02
030
121
130
060
G G
012
10
012
11
Block Transfer Instruction
Multiple Get Instructions
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Rung 2
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