Update Component.md

TcOpenGroup · Oct 4, 2022 · e35784a · e35784a
1 parent 9bae48d
commit e35784a
Showing 1 changed file with 8 additions and 3 deletions.
diff --git a/articles/Conventions/Component.md b/articles/Conventions/Component.md
@@ -2,14 +2,19 @@
 
 | REVISION | DATE       | NOTES                     |
 |----------|------------|---------------------------|
-| 0.0      | April 2021 | Initial release           |
-| 0.0      | Jan 2021   | Components library naming |
+| 0.0      | April 2021 | Initial release             |
+| 0.0      | Jan 2021   | Components library naming   |
+| 0.1      | Oct 2022   | Component abstraction rules |
 
 This document describes the format and practices for writing components in TcOpen. These are universal rules to observe. Each rule knows exception when there is a reasonable argument behind it.
 
 
 ## General rules
 
+### Abstractions
+
+Each component should implement basic contract interface defined in the `TcoAbstractions` library (e.g. `TcoAbbRobot` should implenent `ITcoRobot`, `TcoCongexReader` should impement `ITcoReader`)
+
 ### I/O variables
 
 - Components must not contain I/O (%I*, %Q*) variables directly.
@@ -301,4 +306,4 @@ CASE _state OF
 			_state := 0;
 		END_IF
 END_CASE
-~~~		
+~~~