Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE User Manual

Page 97

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ASCII I/O Module Tutorial

Chapter 4

4Ć23

Do this by entering the following rungs (Figure 3.5) just ahead of the rung
in which you just stored your message.

Figure 3.5

Example Programming for the Message Variable

065

15

TON

065

.01

PR 300

AC 000

405

065

G

000

PUT

000

3.

In this demonstration you will select the following features:

Four initialization words using IW1(00-01)
Report generation mode using IW1(02-04)
Data conversion of 3 BCD digits per word using IW2(14-16)
Slash symbol (/) as BCD delimiter using IW4(10-16)

Set the bits in all four initialization words using the procedure in section
titled “Setting Bits in Initialization Words”, P. 3-4.

Display The file-to-file move instruction displays your settings as
follows:

FILE DATA

POSITI

ON

Hex Binary

001

002

003

004

0007 00000000 00000111

1015 00010000 00010101

0D00 00001101 00000000

2F00 00101111 00000000

4.

Display your message on the industrial terminal. Typically, you
would enable your message with a pushbutton switch and program
logic. In this example, set your industrial terminal to alphanumeric
mode and switch the processor’s mode select switch to the
RUN/PROG position.

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