Sum_Sampled()
Use Sum_Sampled() to get the sum of the values of an expression over a range of time.
Category: Technical Reference
Count_Sampled()
Use Count_Sampled() to get the number of samples in an expression over a range of time.
ParseDate()
Use ParseDate() to get the time that is the result of parsing a string argument.
If()
Use If() to return an expression that depends on whether a condition is true or false.
Concat()
Use Concat() to concatenate two or more strings.
Operators
Operator precedence follows the standard mathematical rules. Brackets ( ) can be used to specify precedence explicitly. E.g. 2 * (3 + 4). This page describes the mathematical and logical operators available for use in expressions parsed by the Server calculation engine.
Keywords
A keyword is a word with a predefined value. This article lists the keywords available in IFS OI Server, and their definitions.
EvalExp()
Use EvalExp() to evaluate an expression, or to override the value of context parameters for the duration of the evaluation.
Eval()
Use Eval() to evaluate an expression, or to override the value of context parameters for the duration of the evaluation.
Sampling()
Use Sampling() to override the sampling method and/or interval passed to tags referenced within the argument.