- All Support Guides
- DAQ Devices
- UD Series
- U3
- Start with the Universal Driver
- User's Guide
- 5 - Low-level Function Reference
- 5.1 - General Protocol
- 5.2 - Low-Level Functions
- 5.2.1 - Bad Checksum
- 5.2.2 - ConfigU3
- 5.2.3 - ConfigIO
- 5.2.4 - ConfigTimerClock
- 5.2.5 - Feedback
- 5.2.5.1 - AIN: IOType = 1
- 5.2.5.2 - WaitShort: IOType=5
- 5.2.5.3 - WaitLong: IOType=6
- 5.2.5.4 - LED: IOType=9
- 5.2.5.5 - BitStateRead: IOType=10
- 5.2.5.6 - BitStateWrite: IOType=11
- 5.2.5.7 - BitDirRead: IOType=12
- 5.2.5.8 - BitDirWrite: IOType=13
- 5.2.5.9 - PortStateRead: IOType=26
- 5.2.5.10 - PortStateWrite: IOType=27
- 5.2.5.11 - PortDirRead: IOType=28
- 5.2.5.12 - PortDirWrite: IOType=29
- 5.2.5.13 - DAC# (8-bit): IOType=34,35
- 5.2.5.14 - DAC# (16-bit): IOType=38,39
- 5.2.5.15 - Timer#: IOType=42,44
- 5.2.5.16 - Timer#Config: IOType=43,45
- 5.2.5.17 - Counter#: IOType=54,55
- 5.2.5.18 - Buzzer: IOType=63
- 5.2.6 - ReadMem (ReadCal)
- 5.2.7 - WriteMem (WriteCal)
- 5.2.8 - EraseMem (EraseCal)
- 5.2.9 - Reset
- 5.2.10 - StreamConfig
- 5.2.11 - StreamStart
- 5.2.12 - StreamData
- 5.2.13 - StreamStop
- 5.2.14 - Watchdog
- 5.2.15 - SPI
- 5.2.16 - AsynchConfig
- 5.2.17 - AsynchTX
- 5.2.18 - AsynchRX
- 5.2.19 - I2C
- 5.2.20 - SHT1X
- 5.3 - Errorcodes
- 5 - Low-level Function Reference
- Frequency List for U3 Timer Mode 7
- UD Driver for Windows with U3 Quick Reference
- U3 Base Class for Linux
- U3 Firmware Revision History
- U6
- Start with the UD Driver
- User's Guide
- 2.5 - 10UA and 200UA
- 5 - Low-level Function Reference
- 5.1 - General Protocol
- 5.2 - Low-Level Functions
- 5.2.1 - Bad Checksum
- 5.2.2 - ConfigU6
- 5.2.3 - ConfigIO
- 5.2.4 - ConfigTimerClock
- 5.2.5 - Feedback
- 5.2.5.1 - AIN: IOType = 1
- 5.2.5.2 - AIN24: IOType = 2
- 5.2.5.3 - AIN24AR: IOType = 3
- 5.2.5.4 - WaitShort: IOType=5
- 5.2.5.5 - WaitLong: IOType=6
- 5.2.5.6 - LED: IOType=9
- 5.2.5.7 - BitStateRead: IOType=10
- 5.2.5.8 - BitStateWrite: IOType=11
- 5.2.5.9 - BitDirRead: IOType=12
- 5.2.5.10 - BitDirWrite: IOType=13
- 5.2.5.11 - PortStateRead: IOType=26
- 5.2.5.12 - PortStateWrite: IOType=27
- 5.2.5.13 - PortDirRead: IOType=28
- 5.2.5.14 - PortDirWrite: IOType=29
- 5.2.5.15 - DAC# (8-bit): IOType=34,25
- 5.2.5.16 - DAC# (16-bit): IOType=38,39
- 5.2.5.17 - Timer#: IOType=42.44,46,48
- 5.2.5.18 - Timer#Config: IOType = 43, 45, 47, 49
- 5.2.5.19 - Counter#: IOType = 54, 55
- 5.2.6 - ReadMem (ReadCal)
- 5.2.7 - WriteMem (WriteCal)
- 5.2.8 - EraseMem (EraseCal)
- 5.2.9 - SetDefaults (SetToFactoryDefaults)
- 5.2.10 - ReadDefaults (ReadCurrent)
- 5.2.11 - Reset
- 5.2.12 - StreamConfig
- 5.2.13 - StreamStart
- 5.2.14 - StreamData
- 5.2.15 - StreamStop
- 5.2.16 - Watchdog
- 5.2.17 - SPI
- 5.2.18 - AsynchConfig
- 5.2.19 - AsynchTX
- 5.2.20 - AsynchRX
- 5.2.21 - I2C
- 5.2.22 - SHT1X
- 5.3 - Errorcodes
- 5.4 - Calibration Constants
- U6 Dimension Drawing
- U6 Firmware Revision History
- UE9
- Start with the Universal Driver
- User's Guide
- 4.3.7.1 - Stream DAC
- 5 - Low-level Function Reference
- 5.1 - General Protocol
- 5.2 - Comm Functions
- 5.3 - Control Functions
- 5.3.1 - BadChecksum
- 5.3.2 - ControlConfig
- 5.3.3 - Feedback (and FeedbackAlt)
- 5.3.4 - SingleIO
- 5.3.5 - TimerCounter
- 5.3.6 - StreamConfig
- 5.3.7 - StreamStart
- 5.3.8 - StreamData
- 5.3.9 - StreamStop
- 5.3.10 - ReadMem
- 5.3.11 - WriteMem
- 5.3.12 - EraseMem
- 5.3.13 - WatchdogConfig
- 5.3.14 - WatchdogRead
- 5.3.15 - Reset
- 5.3.16 - SPI
- 5.3.17 - AsynchConfig
- 5.3.18 - AsynchTX
- 5.3.19 - AsynchRX
- 5.3.20 - I2C
- 5.3.21 - SHT1X
- 5.3.22 - StreamDAC
- 5.4 - Low-Level Errorcodes
- 5.5 - Modbus
- C Native TCP Example
- Modbus TCP Example
- Calibration App
- UE9 Ethertest
- LabVIEW Native TCP Example
- PocketPC Native TCP Example
- Wireless data acquisition
- UD Driver for Windows Quick Reference
- UE9 Firmware Revision History
- Software Options
- Installers and Drivers
- Sample Applications
- Programming
- DAQFactory
- CloudDot
- U3
- U12
- U12 OEM PH/NTH Dimension Drawings
- U12 Setup V1.21
- U12 Quickstart Guide
- U12 User's Guide
- Hardware Troubleshooting
- Win 98 SE HID
- U12 Example Code
- DASYLab Info
- Delphi Example
- Delphi IO Example
- Excel Example
- Java Example
- LabJack DotNet
- LabVIEW
- LabWindows/CVI
- MATLAB
- Perl
- PowerBASIC Example
- Python Example
- TestPoint Example
- VC6 Simple Example
- VC6 Stream Example
- Borland C Builder
- Dev-C++ Example
- Visual C++ OCX
- Visual C++ DLL
- Visual Basic 6 (VB6)
- VB6 DirectDLL Examples
- C Bit Operations
- VEE Examples
- LJsimplelog
- LJstream1
- LJstream2
- EEPROM Example
- SPI Example
- UD Series
- Accessories
- CB15 Datasheet
- CB25 Datasheet
- CB37 V1.2 Datasheet
- CB37 V2.1 Datasheet
- DCA-10 Datasheet
- EB37 Datasheet
- EI-1022 Datasheet
- EI-1034 Datasheet
- EI-1040 Datasheet
- EI-1050 Datasheet
- EI-1050 Utility for Windows
- LJTick-CurrentShunt Datasheet
- LJTick-DAC Datasheet
- LJTick-DAC Testing Utility
- LJTick-Divider Datasheet
- LJTick-InAmp Datasheet
- LJTick-Proto Datasheet
- LJTick-RelayDriver Datasheet
- RB12 Datasheet
- RB16 Datasheet and Schematic
- CloudDot
- App Notes
- Python
- Linux and Mac OS X drivers
- Basic Information FAQ
- Modbus
- Firmware
- SkyMote
- DAQ Devices
- Featured Support Pages
Every LabJack includes lifetime technical support. We are committed to providing quality, responsive support for all our products.
Quick Start
- DAQ Devices
- Accessories
Datasheets for LabJack accessories and sensors
- CloudDot
LabJack's online service to monitor and control via the web
- App Notes
Technical documents on LabJack applications and techniques
Support Pages and Software Downloads
All Labjack support pages and software downloads are organized into guides browsing. Each guide has its own table of contents and sections. We have featured pages for quick access. To get started, browse the basic FAQ or search.
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- Forums: Our forum has boards for general news/comments, Linux, Mac, LabJack hardware, and more. If you have a question that is not answered by our documentation, please check out our forum. If your issue has not been discussed, and you think it is appropriate for public viewing, we encourage you to post to our online forum. LabJack Support is automatically notified by email whenever there is a new posting.
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