Commissioning with a 64-bit controller

With the following steps you configure TwinCAT for the operation of an EJ7411 EtherCAT plug-in module with Drive Motion Control.

1. In the CoE parameter 0x7010:03 "Modes of operation" set the operation mode "Drive Motion Control (DMC)".

Commissioning with a 64-bit controller 1:

2. Activate the Predefined PDO Assignment "Drive motion control (For TC3 DriveMotionControl Lib)".

Commissioning with a 64-bit controller 2:

The process data for using Drive Motion Control is activated.

3. Create a PLC project if none has been created yet.

4. Add the library "Tc3_DriveMotionControl" to the PLC project.
(If you want to use Drive Motion Control without the library "Tc3_DriveMotionControl", see chapter State machine.)

Commissioning with a 64-bit controller 3:

5. If the libraries "Tc3_DriveMotionControl" and "Tc2_Mc2" are used simultaneously in the current project:
in the window "Properties" of one of the two libraries, set the property "Qualified access only" to "True".

Commissioning with a 64-bit controller 4:

The library with "Qualified access only" can now only be addressed in the PLC code via the corresponding namespace, e.g.: Tc3_DriveMotionControl.MC_Stop()
This avoids name conflicts, e.g. when calling the function block MC_Stop, which has the same name in both libraries.

6. Declare a variable of type "AXIS_REF" in the PLC. Example:

VAR
   DmcAxis:   AXIS_REF;
END_VAR

7. Click on "Build" > "Build Solution" in the menu bar.

The project is compiled and the process image of the PLC task is generated.

Commissioning with a 64-bit controller 5:

8. In the Solution Explorer link the PLC variables with the process data of EJ7411.

Commissioning with a 64-bit controller 6:

9. In the PLC code, call the function block ReadStatus() cyclically, ideally at the beginning of each PLC cycle (see Note on refreshing the status data structure in AXIS_REF).

Further Information

Parameter