LabJack T8 24bit Ethernet and USB Multi-I/O DAQ System
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Benefits of the LabJack T8 High-Speed Multi-Functional Measurement System
- Isolated, simultaneous, high-speed analog and digital measurements.
- 24 bit A/D conversion up to 40 kS/s.
- USB and Ethernet connectivity with Power over Ethernet.
LabJack T8 24 bit Ethernet and USB Multi-I/O DAQ System
The LabJack T8 is a multi-functional DAQ system the can be used to collect signals from virtually any kind of sensor. The device offers instrumentation amplified isolated inputs, software selectable gain settings, many digital I/O features, and a Modbus TCP front-end. TheLabJack T8 has 8 differential analog-inputs, 2 analog outputs and 20 multifunctional digital I/O lines. Additionally, the LabJack T8 can also work as stand-alone devices by running Lua scripts.
- 8 differential analog inputs with simultaneous sampling.
- ±1 kV channel-to-channel and channel-to-ground isolation.
- Easy connection for thermocouples, load cells, bridge circuits, and other sensors.
- 8x 24 bit A/D converters with up to 40 kS/s per channel.
- Input ranges between ±11 V and ±0.18 V.
- 2 analog outputs with 16-bit D/A conversion.
- Output range 0...10 V with 20 mA drive.
- 20 multifunctional digital I/O lines for use as...
- standard digital-I/O,
- up to 9 PWM outputs with individual phase control,
- up to 9 pulse outputs with configurable number, frequency, and width,
- up to 9 frequency inputs returning both frequency and period,
- up to 9 pulse width inputs measuring time spent high and low as well as duty cycle,
- up to 3 pairs line-to-line inputs measuring the time between edges on 2 different lines,
- up to 8 high-speed counters,
- up to 16 software counters with debounce capabilities,
- up to 8 pairs of quadrature inputs.
- Digital communication protocols supported for communication with a large number of sensors: I2C, SPI, SBUS, 1-Wire, asynchronous serial (UART).
- Fast Lua scripts.
- 3.3 V fixed voltage outputs for excitation.
- Supported by LJM, LabJack's free cross-platform driver/library/API.
- USB- and Ethernet-Interface.
- Powered via PoE (Power over Ethernet), or USB connection.
- Applications: Large industrial signals requiring electrical isolation and/or precision timing including EV battery testing, industrial control and monitoring, automated testing, and prototype development.
Model Overview
| Model | LabJack T8 | |
| Analog input channels | Number | 8, differential, fully isolated |
| Isolation | 1 kV channel-to-channel and channel-to-ground | |
| A/D conversion | 24 bit high-speed (high-speed sampling configurable by using stream mode), up to 40 kS/s per channel; simultaneous, independent ADC per channel: software configurable resolution settings | |
| Input ranges | ±11 / ±9.7 / ±4.8 / ±2.4 / ±1.2 / ±0.6 / ±0.3 / ±0.15 / ±0.75 / ±0.36 / ±0.18 V; easy integration with sensors like thermocouples, load cells, bridges, and more | |
| Analog output channels | Number | 2 |
| D/A conversion | 16 bit; waveform generation via stream out | |
| Output ranges | 0...10 V; source impedance/load current compensated up to 20 mA. The DACs on the LabJack T8 use additional power systems to output voltage levels above and below the supply. This allows the T8 to output approximately -0.1 to 10 V as long as the supply voltage is within the valid operating range. The DACs on the LabJack T8 have good load regulation. Very little voltage drop is expected up to 20 mA, usually 1...2 mV | |
| Digital-I/O | Number | 20; use CB15 terminal board for access to all DIO |
| Configuration/functions | Supports SPI, I2C, and more (master only); up to 9 PWM outputs with individual phase control; up to 9 pulse outputs with configurable number, frequency, and width; up to 9 frequency inputs returning both frequency and period; up to 9 pulse width inputs measuring time spent high and low as well as duty cycle; up to 3 pairs line-to-line inputs measuring the time between edges on 2 different lines; up to 8 high-speed counters; up to 16 software counters with debounce capabilities; up to 8 pairs of quadrature inputs. Many of these DIO extended features share pins and cannot be used at the same time | |
| Digital communication protocols | T-series DIO lines can also be used to communicate with a large number of sensors that require the use of various digital communication protocols. The T-series devices implement the following protocols: I2C, SPI, SBUS, 1-Wire, Asynchronous Serial (UART) | |
| Interfaces | USB and Ethernet; built-in Power over Ethernet (PoE), or power through USB connection | |
| Temperature range | -40...+85C | |
| Software and drivers | Windows, Linux, and macOS: LJM library (C/C++) or any LJM language wrapper. LJM is LabJack's free, cross-platform driver/library for simplifying device communication. It supports the LabJack T4 and T7 series and T8 devices. LJU supports C/C++, Python, MATLAB, C# .NET, LabVIEW, Visual Basic .NET, DAQFactory and others | |
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