ABB 800xA - Development Environment; Appendix B - Calculation Using C# Calculation File; Introduction

2PAA107563-600 B 133
Appendix B Calculation using C# Calculation
File
Introduction
This section describes the basic usage of C# Calculations in History.
This section prepares you to create and execute simple calculations such as:
1. a + b = c using current history calculations
2. Calculate time averages from current history
3. Calculate moving averages
4. Create triggering conditions for results and spawn events once condition
criteria are met.
Development Environment
Before continuing, you should have the History installed and running on the
development machine.
After installing the product a folder named %APP_ROOT%\Calculations\ must be
present where, %APP_DATA% environment variable refers to, for example,
<DataBase Drive>:\Application folder depending on the installation parameters.
The intended audience is expected to have basic knowledge of Historian Software
and usage of Vtrin user interface. Also basic understanding of Microsoft C#
programming language and usage of Microsoft Visual Studio.