HP Drive manual Add the Wcem Interface Functions

{

voltage range -300 v to 300 v continuous;

}

end; ** DC Voltage Measurement

end; *end dmm

Note: To understand the file contents, refer to the Paws Studio online help.

13To build the project, from the Main Menu select Build and click Rebuild All.

Add the WCEM Interface Functions

The WCEM interface C++ functions are invoked by the ATLAS code. These C++ functions include the IVI-COM calls to control the instrument.

1From the Main Menu, select File and click New Module. The New dialog appears.

2Select CEM and enter WCEM in the Module Name field. Click OK.

3From the Main Menu, select View and click CEM Wizard. The CEM Wizard dialog appears.

4Click on the Advanced tab. The CEM Wizard Advanced Settings dialog appears.

5Check Open, Unload and Disable CEM Logging. Click OK. The CEM Wizard dialog appears.

6Right-click on DMM and click on Add Interface Function. The Add Function(s) to Action(s) dialog appears.

7For Setup, select Setup in the Action(s) dialog and enter DMM_Setup in the User Function Name(s) field. Click OK.

8For Fetch and Init, select the appropriate action in the Action(s) dialog and enter DMM_Fetch and DMM_Init in the User Function Name(s) field. Click OK.

Note: This will add several files to your WCEM module: ctrl.cpp, DMM.cpp, Error.cpp, Wrapper.cpp, and Key.h. ctrl.cpp includes the doOpen and doUnload functions. Dmm.cpp includes the three DMM_ functions.

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76 •• Chapter 8

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