Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE - Manual (Page 90)

ASCII I/O Module Tutorial
Chapter 4
4Ć16
Refer to procedures in section titled “Reading Data From your ASCII
Device”, P. 1-10.
Procedure P1 Set your industrial terminal to alphanumeric mode
Procedure P2 Enter your data
Procedure P3 Set your industrial terminal to PLCĆ2 mode
Procedure P4 Observe how data is stored in the data table
Results The read block transfer file displays 15 data characters
(Table 3.I). Removed header and trailing characters are shown in
Figure 3.4.
Table 3.I
Display After Removing Characters
POSITION FILE DATA ASCII Equivalent
001
002
003
004
005
006
007
008
009
010
E011
0000
2034
3536
3738
3930
3132
3334
3536
3738
status word one
status word two
4
5 6
7 8
9 0 set string length=
1 2 15 data characters
3 4
5 6
7 8
Figure 3.4
Removed Header and Trailing Characters
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2
3 header characters removed 4 trailing characters removed
15 character string
11835