5-26 Agilent E5250A User’s Guide, Edition 9
Controlling the E5250A
Using Virtual Front Panel Utility
Functions of Virtual Front Panel Utility The Virtual Front Panel (VFP) utility is used to create the E5250A setup data and
interactively (from the 4155/4156) make channel connections on the E5250A
plug-in cards. The VFP utility can perform the following:
• Display the E5250A card configurations.
• Change the channel configuration mode, bias port, and bias mode.
• Define labels for the E5250A input terminals.
• Create setup data (connection data).
• Create channels on cards according to the connection data.
• Use 24 different setup memories for one setup data.
• Save/load the setup data to/from a file.
The setup data has 24 setup memories. One setup memory is used for one
measurement setup, and is the minimum unit of the E5250A setup data. For
example, one setup memory is used for MOSFET Vth measurement, another setup
memory is used for Capacitance measurement, and so on. One setup memory is used
for the connection data of all installed cards.
The data created by the VFP can be saved to diskette by using the built-in flexible
disk drive of the 4155/4156. And VFP data on diskette can be loaded into VFP.
Also, the VFP data on diskette can be loaded into your program by using the VFP
Data Upload Library. Refer to Chapter 6.
In the VFP, the following are always used and cannot be changed:
• Connection Rule: FREE
• Connection Sequence: Break Before Make
• Couple Port function is not available in the VFP.