Rockwell-automation 1747-PTxx Getting Started Guide for HHT Manual de usuario descargar pdf (Pagina 36)

Chapter 3

Creating a Program

Getting Started Guide

for HHT

3–11

Programming a Simple Ladder Rung

The following rung consists of an XIC input instruction and an OTE output

instruction. The addresses conform to the controller configuration indicated

in the “Arbitrary Controller” section of this chapter. If you have entered a

different controller configuration, make certain that the addr

esses ar

consistent with your configuration. It is also important that you have an

external input, such as a pushbutton, and an external output, such as a pilot

light, at the terminal addresses used. You will be using these external

devices in later chapters of this guide.

] [

I:1.0

( )

O:3.0

Entering a Rung

To enter the rung, do the following:

1. Begin where we ended on the previous page, at the program directory

display.

2. Press [F3]

– EDT_FIL

. The following display appears.

File Name: Prog Name:1000

File Name Type Size(Instr)

0 System *

1 Reserved *

2 Ladder *

ENTER FILE NUMBER:

F1 F2 F3 F4 F5

OFL

We want to edit file number 2, our main program file.

3. Press

[2]

[ENTER]

. The display shows the END rung of a program. No

other rungs exist at this time. The numbers

2.0.0.0.* appear in the

upper right corner of the display. This indicates that we are in File 2, and

the cursor is located on rung 0, branch 0.

F1 F2 F3 F4 F5

2.0.0.0.*

INS_RNG MOD_RNG SEARCH DEL_RNG UND_RNG

OFL

<END>

4. Press [F1]

– INS_RNG

. The following display appears:

F1 F2 F3 F4 F5

2.0.0.0.*

INS_INST BRANCH MOD_INST ACP_RNG

OFL

<END>

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 76 77

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