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This Generic USB Driver can recognize most USB drive's if you are still using the Windows 98 OS. This driver has not been updated for several years, and it won't be updated. USB Driver.; 2 minutes to read; b; D; In this article. The kernel-mode still image driver for USB buses supports a single control endpoint, along with multiple interrupt, bulk IN, and bulk OUT endpoints. The control and interrupt endpoints are accessible using I/O control codes and DeviceIoControl. 1) Windows 98, ME, 2000, XP Vista or Windows 7 Operating Systems. 3) RS-232 COM Port (for WL16S) or USB Port (for WL16U) Note that the software provided with the WL16 data loggers is for running on desktop and laptop computers only. Software for many popular Handheld PDA devices is available from Global Water.

Important

This topic is for programmers. If you are a customer experiencing USB problems, see Troubleshoot common USB problems

This topic lists the Microsoft-provided drivers for the supported USB device classes.

• Microsoft-provided drivers for USB-IF approved device classes.
• For composite devices, use USB Generic Parent Driver (Usbccgp.sys) that creates physical device objects (PDOs) for each function.
• For non-composite devices or a function of a composite device, use WinUSB (Winusb.sys).

If you are installing USB drivers: You do not need to download USB device class drivers. They are installed automatically. These drivers and their installation files are included in Windows. They are available in the WindowsSystem32DriverStoreFileRepository folder. The drivers are updated through Windows Update.

If you are writing a custom driver: Before writing a driver for your USB device, determine whether a Microsoft-provided driver meets the device requirements. If a Microsoft-provided driver is not available for the USB device class to which your device belongs, then consider using generic drivers, Winusb.sys or Usbccgp.sys. Write a driver only when necessary. More guidelines are included in Choosing a driver model for developing a USB client driver.

USB Device classes

USB Device classes are categories of devices with similar characteristics and that perform common functions. Those classes and their specifications are defined by the USB-IF. Each device class is identified by USB-IF approved class, subclass, and protocol codes, all of which are provided by the IHV in device descriptors in the firmware. Microsoft provides in-box drivers for several of those device classes, called USB device class drivers. If a device that belongs to a supported device class is connected to a system, Windows automatically loads the class driver, and the device functions with no additional driver required.

Hardware vendors should not write drivers for the supported device classes. Windows class drivers might not support all of the features that are described in a class specification. If some of the device's capabilities are not implemented by the class driver, vendors should provide supplementary drivers that work in conjunction with the class driver to support the entire range of functionality provided by the device.

For general information about USB-IF approved device classes see the USB Common Class Specification

The current list of USB class specifications and class codes is documented in the USB-IF Defined Class Code List.

Device setup classes

Windows categorizes devices by device setup classes, which indicate the functionality of the device.

Microsoft defines setup classes for most devices. IHVs and OEMs can define new device setup classes, but only if none of the existing classes apply. For more information, see System-Defined Device Setup Classes.

Two important device setup classes for USB devices are as follows:

• USBDevice {88BAE032-5A81-49f0-BC3D-A4FF138216D6}: IHVs must use this class for custom devices that do not belong to another class. This class is not used for USB host controllers and hubs.

• USB {36fc9e60-c465-11cf-8056-444553540000}: IHVs must not use this class for their custom devices. This is reserved for USB host controllers and USB hubs.

The device setup classes are different from USB device classes discussed earlier. For example, an audio device has a USB device class code of 01h in its descriptor. When connected to a system, Windows loads the Microsoft-provided class driver, Usbaudio.sys. In Device Manager, the device is shown under is Sound, video and game controllers, which indicates that the device setup class is Media.

Microsoft-provided USB device class drivers

Related topics

The GL500-2-1 Datalogger is the latest addition to Global Water’s line of rugged remote dataloggers. The dataloggers feature two analog channels and one digital channel for recording data, as well as monitoring battery voltage. The datalogger records over 81,000 readings and has four unique recording options: fast (10 samples per second), programmable interval (1 second to multiple years), logarithmic, and exception. Start and stop alarm times can be programmed to synchronize multiple dataloggers, delay sampling until a preset time, or limit the number of recordings during a day. The dataloggers are available for computers with either a RS-232 serial communications port (GL500S-2-1 version) or a USB port (GL500U-2-1 version).

Remote Monitoring
The GL500-2-1 dataloggers can monitor two 4-20mA sensors (0-5 volt inputs are available as a factory option) and features a scalable digital input that accepts switch closure signals from rain gauges or relays, as well as pulses from various external monitoring and control devices. The datalogger provides switched power to the sensors based on the programmable sample interval and sensor warm up time settings. 2-wire and 3-wire sensors can be quickly connected to the datalogger’s internal terminal strip and calibrated via the Global Logger software. The GL500S-2-1 Datalogger Serial Communications version can be accessed through dial-out to a remote modem attached to the serial communication port.

Software
The GL500-2-1 dataloggers include Global Logger II Windows software and PDA software, which allow for easy setup, calibration, upload, and transfer to a spreadsheet program using a laptop, desktop, or PDA. The Global Logger II Windows software has online help files that are easily accessed using drop down menus and links to quickly find the answers to your questions.

Please note: The Global Logger PDA software, included with the datalogger, does not support the Palm operating system.

Dataloggers Specifications

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Global Dataloggers
Memory: Non-volatile flash memory
Power: Voltage: Two 9VDC alkaline batteries standard. 8 VDC Min. to 24.0 VDC Absolute Maximum.
Standby Current: 65uA Typical
Logging Current: 5mA Typical + sensor current
Analog Sensor Inputs: 4-20mA (0-5VDC as factory option)
Resolution: 12-Bit, 4096 Steps
Channels: 2 Input channels + battery voltage monitor
Sensor Warm-up Time: Programmable, 0-15 Sec
Digital Inputs: Switch closure or pulse input
Maximum Input Voltage: 24VDC
Maximum Frequency: 100Hz
Minimum Pulse Width: 2mS
Maximum Count: 65,535 (16-Bit)
Sample Modes: Fixed Interval Programmable from 1 Sec. to >1 Year
High Speed 10 Samples per second
Logarithmic Sample Rate (Approximation)
Exception (Log only on deviation from previous reading)
Storage Capacity: 81,759 Recordings for all inputs plus time stamp
Data Overwrite: Select memory wrap or unwrap (unwrap will stop logging data once memory is full)
Communication Ports:
GL500S-2-1: RS-232 4-pin circular connector
GL500U-2-1: USB Type B
Selectable Baud Rates: 9600, 19200, 28800, 38400, 57600, 115200
Clock: Synchronizes to the time and date of user's computer
Clock Accuracy: 1 minute per month
Operating Temperature: Industrial, -40ºC to +85ºC (Battery may not apply)
Enclosure: PVC (3' x 3' x 3')
Weight: 0.5 lbs

Datalogger Software
Compatible with Microsoft's Windows 98, ME, 2000, NT, and XP
Windows and Excel are trademarks of the Microsoft Corporation
Tabular Display/Printout
Data in standard spreadsheet format (.CSV)
Programmable alarm start and stop times
Field calibration software and help files included

PDA software: CE and Mobile compatible.

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Datalogger Software Information

The Datalogger includes Global Water Datalogger Software, Windows-based software that provides many useful features, such as real-time readout, measurement interval and engineering unit selection, station ID setting, and sensor calibration. The software makes accessing recorded data and setting options easy. Data downloaded from the datalogger can easily be opened in any PC spreadsheet program for analysis and graphic presentation. Globlal Water's Datalogger Software will run on a PC-type laptop or desktop computer running Windows 98 or later. To communicate with the Datalogger, a standard RS232 serial cable for the GL500S-2-1or a USB Type B cable for the GL500U-2-1 is required. Purchase of the datalogger includes the appropriate communication cable (for communication between the datalogger and your computer).

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Datalogger Options

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