InduSoft Web Studio - InduSoft Corporation

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InduSoft Web Studio Tutorial training – Revision B – Sep/10/2000 © Copyright InduSoft Ltd. 2000 Examples to access the application database To read a value in the database, use the tag name directly. Example 1: In the following script line, the X tag will receive the sum of two tags, level and temp: Example 2: InduSoft Web Studio allows you to read and write in the tags using references or pointers. A tag used as pointer to another tag can be declared in two ways: as a string (a pointer to an undefined type) or as a pointer of a specific kind (recommended). In Figure above, the pointer_default is a variable of the string type that is a pointer. The variable @pointer_to_integer is a pointer to integer values. NOTE: The syntax @tag allows a tag to access another by reference. NOTE: Any tag declared as a string can be used as an indirect tag (pointer). Operators InduSoft Web Studio supports all the following operators. Arithmetic operators + addition - subtraction * multiplication / division > greater than < less than Page 48
InduSoft Web Studio Tutorial training – Revision B – Sep/10/2000 © Copyright InduSoft Ltd. 2000 = equal >= greater than or equal to >n rotate right - Rotate n bits to right.
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InduSoft Web Studio - InduSoft Corporation

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