Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE - Manual (Page 111)

ASCII I/O Module Tutorial
Chapter 4
4Ć37
String Length Less Than Module's String Length, Left Justified
In this demonstration, you will set the margin justification bit IW3(03)
and repeat the transfer of five characters.
1. Set the margin justification bit IW3(03) for left justification.
Display The initialization word file is displayed in hex and binary,
respectively, as follows:
RADIX = %H START = WO007:0000
WORD #
00000
0
0000
1
0000
2
0002
3
0015
4
0D08
5
0000
START = WO007:0000
WORD #
00000
2
000000000000010
3
0000000000010101
4
0000110100001000 . . .
NOTE: Binary words 0, 1, and 5 were omitted for brevity.
2. Enter: 12345 [ENTER]
Refer to the procedures in section titled “Reading Data From Your ASCII
Device,” if necessary
Procedure P1 Connect the 1770ĆCB cable, and set your industrial
terminal to alphanumeric mode (check parameters)
• Initialize the module by changing PLCĆ3 operation mode
3[ENTER]2[ENTER]
Procedure P2 Enter your data
Procedure P3 Connect the 1775ĆCAT cable, and set your industrial
terminal to PLCĆ3 mode
Procedure P4 Observe how the data string is stored in data table file O6.0