GTX2200/GC2200 Universal Time Interval Counters PXI/PCI boards

GXCNT Software

This on-line help provides all the information necessary for installation, operation, and maintenance of the PXI GTX2200 (GTX2230, GTX2220, GTX2210) PXI boards and PCI GC2200 (GC2230, GC2220, GC2210) Universal Time Interval Counters. This manual assumes the reader has a general knowledge of PC based computers, Windows operating systems, and some with using frequency and time interval counters, as well as test equipment in general.

This manual also provides programming information about using the GTX2200/ GC2200 driver (referred in this manual GXCNT). Therefore this manual assumes a thorough understanding of Windows application development tools and languages.

The on-line manual is organized in the following manner:

Chapter	Content
Introduction	Introduces the GTX2200/GC2200 manual. Lists all the supported boards and shows warning conventions used in the manual.
Overview	Provides the GTX2200/GC2200 list of features, description of the individual boards,, architecture, specifications and the virtual panel description and operation.
Installation and Connections	Provides instructions on how to install a GTX2200/GC2200 board and the GXCNT software.
Programming the Board	Provides a list of the GXCNT software driver files, general purpose and generic driver functions, and programming methods. Discusses supported application development tools and programming examples.
In-System Calibration	Describes the procedure used to perform the in-system calibration. This section is obsolete, see Marvin Test Systems CalEasy-GTX2200 for more information about calibrating your instrument.
Functions Reference	Provides a list of the GXCNT driver functions. Each function description provides syntax, parameters, and any special programming comments.

October 31, 2025