Device DDT Variables
Original instructions
Overview
Device derived data type (device DDT) are used to access slave process data and to read/write the data of the BMECXM modules.
There is:
The Data Editor displays these variables.
Accessing Device DDT
You can access the device DDTs and the corresponding variables in Control Expert. You can add this variable to a user-defined Animation Table to monitor read-only variables and edit read/write variables.
To access the device DDTs, follow these steps:
Step
Action
1
Click Tools → Project Browser to open the Control Expert Project Browser.
2
Expand (+) Variables & FB instances.
3
Double-click Device DDT Variables.
Result: The Data Editor window is displayed:
4
In the Variables tab, expand (+) the name to display inputs, outputs, and other parameters.
NOTE: The red arrow and lock icons in the Device DDT table indicate that the variable name was auto-generated by Control Expert based on the configuration of the BMECXM module and CANopen slave. The variable name cannot be edited.