
TU RS485/ETH serie
CD Automation srl
7
4.3
TERMINOLOGY
Description of terms and abbreviations used in DevTU and in this manual.
Controller
Device of the TU-RS485-ETH series.
Integrated Development Environment
IDE
Instructions set to create, to debug and to test the Program.
Program
List of functions executed from the Controller.
Function Block FB
Each block constituting the Main Program. Each Function Block can
contain a function.
Function
Logical, mathematical or flow operation executed from the Control-
ler.
Variable
Each parameter contained in a function
Register
Position of a variable in the volatile memory of Controller.
Retentive Register
Position of a variable in the non-volatile memory of Controller.
Label
String of characters used to identify the name of an object (Function
Block, Register, Table,...)