ST_PID

Overview

Type:

Structure

Available as of:

V1.0.1.0

Description

The Structure ST_PID provides the parameters for the PID controller for FB_HeatingControl.

Structure Elements

Name

Data type

Description

rKp

REAL

Value of proportional gain.

Range: 0…10000

Default value: 2

rTn

REAL

Value of integral time in seconds.

Range: 0...60000

Default value: 200

rTv

REAL

Value of derivative time in seconds.

Range: 0…60000

Default value: 0

rTd

REAL

Value of damping time for derivative action in seconds.

Range: Task cycle time…60000

Default value: 0

NOTE: The task cycle time is determined by the function block.