Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE - Manual (Page 58)

Choosing Module Features
Chapter 3
3Ć16
Table 2.H
Margin Justification
When
Justified
Each New Line Is Displayed
with the Same
and Data Is Stored in the Data
Table by Placing
Left Left margin
Example: Text is left justified.
The first character in the upper byte of the
lowest word address. Blanks or zeros fill the
higher word addresses.
Example: PLCĆ2 Family
ABCD
EF00
0000
Example: PLCĆ3 Family
A B C D E F 0 0 0 0 0 0
Right Right margin
Example: Dollar values are right
justified
The last character in the lower byte of the
highest word address. Blanks or zeros fill the
lower word addresses.
Example: PLCĆ2 Family
0000
00AB
CDEF
Example: PLCĆ3 Family
0 0 0 0 0 0 A B C D E F
Table 2.I
Margin Justification/Mode of Operation
When
Module
Mode of
Operation Is
Your Justification Is
Data Mode Either left or right (you select)
Report
Generation
Mode
ASCII data is left justified. BCD values, contained in the string of ASCII data, are right
justified.
Record your selection based on your choice of module operation. If you
choose data mode, choose either left justification IW3(03) =1 or right
justification IW3(03)=0. Record your selection by writing a 1 or 0 in
IW3(03) using the form (found at the end of this chapter) or the box pn
the next page.