User guide

2Introduction
2.4 Further objects of an interconnection
20
Lenze · 9400 function library · Reference manual · DMS 6.7 EN · 08/2014 · TD05
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
2.4 Further objects of an interconnection
In addition to function blocks, an interconnection also contains system blocks which are required for
accessing the basic functions of the controller and the physical interfaces (e.g. digital inputs). Fur-
thermore, an interconnection can contain port blocks as well as variables and user codes.
 Function block  System block  Port block  Variable  User code