FB_MdFileInfo

FB_MdFileInfo 1:

This machine data component contains information about the previous saving processes of a machine data file.

Syntax:

FUNCTION_BLOCK FB_MdFileInfo EXTENDS FB_MdBaseComponent

FB_MdFileInfo 2: Machine data

Index (Identifier)

Parameter

PLC storage location

0x0000 F010

Index Format Version

Major - 1st version digit

FB_MdBaseComponent

0x0000 F011

Minor - 2nd version digit

0x0000 F012

Tag - Textual identifier

0x0000 F020

Base Application Version

Major - 1st version digit

0x0000 F021

Minor - 2nd version digit

0x0000 F022

Build - 3rd version digit

0x0000 F023

Revision - 4th version digit

0x0000 F030

StoreCount

0x0000 F040

StoreDate

0x0000 F050

CreationDate

FB_MdFileInfo 3: Properties

Name

Type

Access

Initial value

Description

Connected

BOOL

Get

FALSE

Component is connected to its dependencies (except for the MD container).

FB_MdBaseComponent

LinkedContainer

I_MdBaseContainer

Get

NULL

Points to the container to which the component was appended.

Tc3_PlasticFunctions.FB_MdComponent

Further characteristics

<>

<>

<>

Implemented by FB_MdComponent

FB_MdFileInfo 4: Methods

Name

Description

AddNextComponent()

Adds the subsequent component to the component (list).

FB_MdFileInfo

Connect(ipContainer)

Connects the component with the necessary dependencies.

FB_MdBaseComponent

[PROTECTED] ConfigCompType(eCompType)

Used with inheriting classes to initialize the encoding offset after E_StandardCompType.

[PROTECTED] ConfigCompTypeEx()

Used with the inheriting class to initialize the encoding offset.

[PROTECTED] NextString(…)

Simplified method for reading a text-based machine data parameter. This method is used within the MdNextParameter(...) Callback method.

[PROTECTED] SetString(…)

Simplified method for writing a text-based machine data parameter. This method is used within the MdSetParameter(...) Callback method.

Tc3_PlasticFunctions.FB_MdComponent

Other methods

Implemented by FB_MdComponent.

FB_MdFileInfo 5: Event-driven methods (callback methods)

Name

Description

MdNextParameter(…)

Container call for saving the parameters in a file, implemented by FB_MdComponent.

MdSetParameter(…)

Container call for loading the parameters into the runtime, implemented by FB_MdComponent.

FB_MdFileInfo 6: Interfaces

Type

Description

I_MdComponent

Standard interface on FB_MdComponent

I_MdFileInfo

Standard interface on FB_MdFileInfo.

I_MdBaseComponent

Standard interface on FB_MdBaseComponent

Further interfaces

Implemented by FB_MdComponent

Requirements

Development environment

Target platform

PLC libraries to include

TwinCAT v3.1.4024.35

PC or CX (x64, x86)

Tc3_PlasticBaseApplication (>= v3.12.5.0)