Vector VEC-VA Series User Manual

VA Motion Controller Programming Manual
55
6 .5 the LD Ladder Logic programming language
The ladder programming language is one of the oldest programming languages. The ladder
diagram is derived from the logic control diagram of the electrical system. The logic diagram uses
relays, contacts, coils and logic diagrams to represent the logical relationship between them.
Ladder programming language graphical elements may be employed there ladder chart network,
power rail, connecting wires, contacts, coils , function and other function blocks, the data type can
be BOOL, BYTE, WORD , and DWORD .
6 .5.1 Create a LD Program
1>
After creating a project, right- project tree " logic of
the POU
", choose Insert 

program,
the pop-up dialog box, type the program name
LD_Test
, select the type and programming
languages, as Figure
8-25
shown
2>
Click the editing area of the
MULTIPROG
programming software, then click " " on the
toolbar on the left side of the editing area .
3>
A simple network with a ladder diagram appears in the editing area. On the left is the left

Vector VEC-VA Series Specifications

General

Brand	Vector
Model	VEC-VA Series
Category	Controller
Language	English