Overview of EXTV parameters

The overview of External Variable parameters is sorted into a 4-column table.

ID

Structure

Parameter

Functionality/short description

P-EXTV-00001

var[i].

name

Name of the External Variable

P-EXTV-00002

var[i].

byte_offset

Position of the External Variable in the memory

P-EXTV-00003

var[i].

type

Variable type

P-EXTV-00004

var[i].

scope

Validity of the variable

P-EXTV-00005

var[i].

synchronisation

Synchronisation type of the variable

P-EXTV-00006

var[i].

access_rights

Access rights of the variable

P-EXTV-00007

var[i].

array_elements

Number of elements in an array of structure elements.

P-EXTV-00008

var[i].

size

Size of the variable

P-EXTV-00009

var[i].

create_hmi_interface

Enabling access by HMI

P-EXTV-00010

 

number_used_variables

Number of configured external variables

P-EXTV-00011

 

check_overlapping_variables

Plausibility check of the memory layout

P-EXTV-00012

 

auto_memory_mode

automatic memory layout

P-EXTV-00013

 

init

Initialisation with default values

P-EXTV-00015

struct[i].

name

Name of the variable type

P-EXTV-00016

struct[i].element[j].

name

Name of the structure element

P-EXTV-00017

struct[i].element[j].

type

Type of the structure element

P-EXTV-00018

struct[i].element[j].

synchronisation

Synchronisation type of the structure element

P-EXTV-00019

struct[i].element[j].

access_rights

Access right of the structure element

P-EXTV-00020

struct[i].element[j].

array_elements

Array size of a structure element

P-EXTV-00021

struct[i].element[j].

size

Size of a structure element of type VSTRING

P-EXTV-00022

 

use_extended_string_var

Number of characters of a string variable

P-EXTV-00047

var[i].

suppress_export

Suppress variable export to the PLC description

P-EXTV-00048

var[i].

start

Variables with overlapping memory area