ICP DAS USA ISaGRAF VP-2117, Getting Started

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VP-2117 Getting Started, Apr. 2010, V1.0
4-1
Chapter 4 Show String on the VP-2117
’
s LCD
This chapter describes how to create an ISaGRAF project and show the blinking
String on VP-2117
‟
s LCD screen.
4.1 Writing a Simple ISaGRAF Program
We are going to use ISaGRAF Workbench to write a simple ISaGRAF example
program, then download it to the VP-2117
controller to make it work. If you haven‟t
installed
Dz
SaGRAF
dz
&
Dz
ICP DAS Utilities for ISaGRAF
dz
, please go back to read
chapter 2 .
This example contains one LD program. (The demo is stored in CD-ROM:
\napdos\isagraf\vp-2117\demo\ ).
Variables declaration:
Name Type Attribute Description
Run Boolean Internal Initial value at
Dz
TRUE
dz
Mode Integer Internal Display mode, Default : 1
LCD_Q Integer Internal Return value of LCD_STR
STR_ Message Internal String, Default :
Dz
ICPDAS VP-2117
dz
T1 Timer Internal Blinking cycle, Default : T#1s
Ladder Logic
Program Outline:
Project name
–
"example1"
– “ ”
Name of project group
–
"Test"
One LD program
–
"LD1"
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