ABB ST语言编程(13)

System 800xA Training

Fourvariables which will be used to connect to the function block have also beendeclared in the“Variables”

declaration tab:

1.Call the function blockinstance by typing its instance name in the code pane

followedby an

opening parenthesis ‘(‘

The system will then offer a dialogue for you to make connections.

2.Fill in the parameters that are to be connected to the function block instance in the

parameter column by any of the following methods:

Type the name of the variable to be connected directly into the “Parameter” field.(After a few characters the system will try to help you finish by supplying firstmatching variable name).

Chapter13-13