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LabJack U3 User Manual

LabJack U3
120 pages
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LabJack U3 User’s Guide
Revision 1.02
2/6/2007
LabJack Corporation
www.labjack.com
support@labjack.com

Table of Contents

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LabJack U3 Specifications

General IconGeneral
Analog Outputs2
Analog Output Resolution10 bits
Digital I/O20
Counter/Timers2
InterfaceUSB
Operating Voltage5 V
ManufacturerLabJack Corporation
Analog Inputs16
Analog Input Resolution12-bit
Max Sample Rate50 kHz

Summary

1. Installation on Windows

1.1 Control Panel Application (LJControlPanel)

Configure and test the LabJack U3 device using the LJControlPanel application.

1.2 Self-Upgrade Application (LJSelfUpgrade)

Program the latest firmware onto the LabJack U3 processor using the self-upgrade application.

2. Hardware Description

2.1 Device Interfaces and Connections

Details the physical connections, ports, and status indicators of the LabJack U3.

2.6 Analog Inputs (AIN)

Explains the analog input channels, voltage ranges, and conversion details.

2.7 Analog Outputs (DAC)

Describes the analog output capabilities and voltage ranges of the DAC channels.

2.8 Digital I/O

Covers the digital input/output channels, configurations, and connections.

2.9 Timers and Counters

Details the functionality and modes of the U3's timers and counters.

3. Operation Modes

3.1 Command/Response Operation

Explains the command/response method for device communication and execution times.

3.2 Stream Mode Operation

Describes high-speed data acquisition using stream mode and its performance.

4. LabJackUD High-Level Driver

4.1 Driver Overview and Functions

Introduces the LabJackUD driver, its operation, and function flexibility.

4.2 Function Reference

Provides detailed descriptions of the high-level driver functions.

4.3 Example Pseudocode

Practical pseudocode examples for common driver operations.

5. Low-Level Function Reference

5.1 General Protocol

Details the low-level communication protocol for U3 commands.

5.2 Key Low-Level Functions

Explains essential low-level commands for device configuration and data streaming.

5.3 Errorcodes

Lists and explains error codes for low-level function calls.

A. Specifications

B. Enclosure & PCB Drawings