ABB AC 800M Library Object Style Guide

Table of Contents
8 3BSE042835-600
Protection and Scope ........................................................................................... 88
Re-use of Code.....................................................................................................89
Control Module Types .........................................................................................91
Function Block Types .......................................................................................... 93
Diagram Types ..................................................................................................... 93
Data Types ........................................................................................................... 93
Templates ............................................................................................................94
Task Considerations ............................................................................................. 94
Parameter Dependency on Tasks and Controllers................................................ 95
Calls to Asynchronous Functions ........................................................................95
Special functions ............................................................................................................. 96
Handling of Input and Output Values .................................................................. 96
Error Handling .....................................................................................................97
Alarm and Event Handling ..................................................................................97
Program Stop Complication...............................................................................101
Power Failure Behavior......................................................................................102
State algorithms and bumpless parameters changes .......................................... 102
Range Check ......................................................................................................103
Conditional Range Check .................................................................................. 105
Overflow handling .............................................................................................107
SIL Mark Restrictions........................................................................................107
Appendix A - Names and Abbreviations
Suggested Names .......................................................................................................... 109
Recommended Names and Abbreviations .........................................................109
Standard Library Parameters..............................................................................113
INDEX

ABB AC 800M Specifications

General

Brand	ABB
Model	AC 800M
Category	Controller
Language	English