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LabJack U3 User Manual
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LabJack U3 User Manual
Table of content
Contents
Table Of Contents
Table Of Contents
Table Of Contents
Installation on Windows
Figure 1-2. LJControlPanel U3 Configure Defaults Window
Figure 1-3. LJControlPanel U3 Test Window
Self-Upgrade Application (LJSelfUpgrade)
Hardware Description
Status LED
Table 2-2. ConfigIO Factory Default Values
Channel Numbers
Table 2-6. Nominal Analog Input Voltage Ranges (DAC1 Disabled)
Table 2-8. Fixed Point Conversion Examples
Figure 2-2. Non-Inverting Op-Amp Configuration
Figure 2-3. Voltage Divider Circuit
Figure 2-5. Current Measurement With Arbitrary Load or 2-Wire 4-20 mA Sensor
Internal Temperature Sensor
Typical Analog Output Connections
Digital I/O
Typical Digital I/O Connections
Figure 2-9. Driven Signal Connection To Digital Input
Figure 2-10. Basic Mechanical Switch Connection To Digital Input
Figure 2-12. Relay Connections (Sinking Control, High-Side Load Switching)
Timers/Counters
Timer Mode Descriptions
Timer Operation/Performance Notes
CB15 Terminal Board
U3-OEM
Hardware Revision Notes
Operation
Stream Mode
Streaming Digital Inputs, Timers, and Counter0
LabJackUD High-Level Driver
Function Flexibility
Multi-Threaded Operation
Function Reference
OpenLabJack()
eGet() and ePut()
eAddGoGet()
Go()
GoOne()
GetFirstResult() and GetNextResult()
DoubleToStringAddress()
StringToConstant()
GetDriverVersion()
eAIN()
eDI()
eTCConfig()
eTCValues()
Example Pseudocode
Configuration
Analog Outputs
Timers & Counters
Raw Output/Input
Miscellaneous
Errorcodes
Table 4-3. Group Level Error Codes
Low-Level Function Reference
Low-Level Functions
ConfigU3
ConfigIO
ConfigTimerClock
Feedback
ReadMem (ReadCal)
WriteMem (WriteCal)
EraseMem (EraseCal)
Reset
StreamConfig
StreamStart
StreamData
StreamStop
Watchdog
AsynchConfig
AsynchTX
AsynchRX
SHT1X
A. Specifications
B. Enclosure & PCB Drawings
5
.2 Low-Level Functions
e normal response
5.2.1 BadChecksum
If the processor detects a bad checksum in any command, the following 2-byt
will be sent and nothing further will be done.
Response:
Byte
0
0xB8
1
0xB8
80
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