Expressions filter

Latest version: 3.7.6 build 127. February 3, 2012.

The filter module "Expressions" for data loggers is an interpreter for quick and easy evaluation of expressions. It is a smart tool easy in use. Supports different data types (string, date, time, decimal, float and boolean), arithmetic and boolean operators, multiple levels of brackets, built-in math, string, boolean functions and user-defined variables. It supports the following operators and functions:

Mathematics operations

• + : Addition
• - : Substraction
• * : Multiplication
• / : Division
• ^ : Exponential (only positive numbers for the base)

Mathematics functions: ABS, ATAN, COS, EXP, LN, ROUND, SIN, SQRT, SQR, TRUNC and many others;
String functions: COPY, REPLACE, POS and many others;
Logical functions: AND, OR, XOR and etc.

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Read more about other plugins:

Index | ASCII data query and parser | MODBUS RTU query and parser | MODBUS TCP query and parser | Data parser module for ADAM, ICP-CON and NuDAM devices | RFC3164 (syslog protocol) data parser | HTTP data parser | File requests | XML Data Parser | Deadband | Expressions | Aggregator | Digital inputs filter | Script execute | Events generator and simple filter | Redirect data | Data timeout | SQL Database Pro | DDE Server | Direct Excel Connection | Excel Export Professional | Local database | ODBC Database | Send Keystrokes | Printer out | Internet Sharing | Event notification | Index