Dialog View Global JScript Variable

Global JScript variables enable to share values of variables between different JScript functions called by data pre-processing in SNMP OPC server.
They can be defined as scalar variables or as arrays. Please see example of working with global JScript variables.

globalvar

Figure: Dialog view to define a global JScript variable.

Name

arbitrary within address space unique name of the OPC Item that does not contain spaces. It can be edited by hand, imported on line from device or off line from MIB file of a device (the characters like *, ., /, -, :, _, ;, " are not allowed).

Description

Informative string to explain global variable

Variable properties

Data Type

Following data types for a variable can be chosen from list box: BOOL, DOUBLE, FLOAT, LONG, STRING, ULONG

Default value

Default value of the scalar variable or all values in array

ARRAY

If checked in array of global variable will be created instead of scalar variable

Number of elements

Number of elements in array of global variables.