InduSoft Web Studio - InduSoft Corporation

InduSoft Web Studio
Tutorial training – Revision B – Sep/10/2000
© Copyright InduSoft Ltd. 2000
7. Expressions, Functions and Script
Language
This chapter describes the script language syntax and functions. This script language is used in
many places, such as:
· Dynamic object properties in Application Builder
· Screen logic in Application Builder
· Scheduler Worksheet
· Math Worksheet
The math expressions have two columns: Tag and Expression.
· Tag: Tag name that receives the result of the expression in the Expression column.
· Expression: Any mathematical expression defined by InduSoft Web Studio.
Example:
The a variable receives the result of expression (10c)-5.
IMPORTANT: No attributions are done on the Expression column. If you write A=2 in this
column, it means that you are comparing A with the number 2. The integer result of this
expression (the Boolean value 0 if false or 1 if true) will be written to the tag in the Tag Name
column.
NOTE: The system is not case sensitive.
NOTE: To add comments to an expression line, use the “//”characters.
Data types
· Integer numbers: 1 23 45 -123
· Floating point: 1.234 -775.344
· Hexadecimal integer numbers: 0x5 0xA0 0xBC4
· Strings: “demo” “new demo”
Integer numbers are 32 bits. Floating numbers are 8 bytes and the strings are up to 255 characters.
Page 47