→Global variable

according to →IEC-standard→variable whose →scope is global

Access to a global variable is done by using →external variables. A global variable is also known as VAR_GLOBAL due to its respective →keyword.

Neuron Power Engineer supports declaration/usage of global variables in these languages (according to IEC-standard):

language

details under

→ST, incl. →SFC

Declaration of global variables in ST
(info) Moreover, it is possible to create global variables within the global-variables-editor 

→FBD, incl. →SFC

Declaring variables in FBD

→LD

Declaring variables in LD and assigning a variable to contact/coil

Other useful information are listed under "Declaring global variables for resource or configuration and using them".