Universal Library And Instacal; Installing The Hardware; Programming And Developing Applications - Measurement Computing USB-7204 User Manual

USB-7204 User's Guide

Universal Library and InstaCal

Install Universal Library and InstaCal when you want to develop data acquisition applications using Windows
programming languages.
Universal Library and InstaCal software are included on the CD that ships with the device. Refer to the Quick
Start Guide booklet for instructions about installing Universal Library and InstaCal software.

Installing the hardware

Install the software before you install your device
A driver needed to run the USB-7204 is installed when you install the software. Therefore, you need to install
the software package you plan to use before you install the hardware.
For operation on a Windows operating system, we recommend that you run Windows Update to update your
operating system with the latest USB drivers.
There are two ways to connect the USB-7204 to your system:

Connect a USB cable from the
hub connected to the computer. No external power is required.
or

Use a 2.54 mm (0.1 in.) box header to connect with the OEM connector. The connector pinout is shown
below:
Pin Signal Name
1 N/C
3 N/C
5 N/C (do not connect anything to this pin)
7 N/C (do not connect anything to this pin)
9 N/C (do not connect anything to this pin)
When you connect the USB-7204 for the first time on a computer running Windows, a
message opens as the device is detected. The installation is complete when the message closes.
After the USB-7204 is installed, the
between the USB-7204 and your computer.
Caution! Do not disconnect any device from the USB bus while the computer is communicating with the
USB-7204, or you may lose data and/or your ability to communicate with the USB-7204.
If the Power LED turns off
If the Power LED is on but then turns off, the computer has lost communication with the USB-7204. To restore
communication, disconnect the USB cable from the computer, and then reconnect it. This should restore
communication, and the

Programming and developing applications

You can program and develop applications for the USB-7204 using MCC DAQ software and DAQFlex
software. OEM users can create a custom driver for use with the message-based firmware to interface with the
device.

Refer to the Quick Start Guide for information about the Universal Library and InstaCal.

Refer to the DAQFlex Software User's Guide

Refer to the Message-based Firmware Specification
connector to either a USB port on the computer or to an external USB
USB
LED remains on to indicate that communication is established
Power
LED should turn on.
Power
for information about DAQFlex software.
Pin Signal Name
2 VBUS
4 D–
6 D+
8 GND
10 SHIELD
for information about the message-based firmware.
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Installing the USB-7204
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