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- 14 Analogue Inputs (16-18+ Bits Depending on Speed)
- Plus 24-bit Low-Speed ADC for 22-Bit Effective Resolution
- Single-Ended Inputs (14) or Differential Inputs (7)
- Expandable to 80 single ended or 40 differential with the Mux80 Card >>
- Instrumentation Amplifier Inputs - software Programmable Gains of x1, x10, and x100
- Analogue Input Ranges of ±10, ±1, and ±0.1 Volts
- Supports type E, J, K, R, T, S, and C thermocouples
- Built-In CJC Temperature Sensor for thermocouples
- 2 Fixed Current Outputs (200/10 uA)
- 2 Analogue Outputs (12-Bit, 0-5 Volts)
- 20 Digital I/O
- Up to 2 Counters (32 Bits Each)
- Up to 4 Timers (Pulse Timing, PWM Output, Quadrature Input, ...)
- Supports SPI, I2C, and Asynchronous Serial Protocols (Master Only)
- Supports Software or Hardware Timed Acquisition
- Maximum Input Stream Rate of 50 kHz (Depending on Resolution)
- Capable of Command/Response Times Less Than 1 Millisecond
- Built-In Screw Terminals for Some Signals
- USB 2.0/1.1 Full Speed Interface
- Ethernet RJ45 Interface
- WiFi Wireless Ethernet 802.11b/g
- LUA Scripting for Stand-Alone Use
- Powered by USB Cable
- Examples Available for C/C++, VB, LabVIEW, Python in due course
- DAQFactory Express Software driver in due course
- Enclosure Size Approximately 75mm x 175mm x 25mm
- Rated for Industrial Temp Range (-40 to +85 °C)
Analogue Inputs
The LabJack T7-PRO has 14 external analogue inputs (AIN0-AIN13). AIN0-AIN3 are available on screw terminals and also on the DB37 connector. All 14 analogue inputs are available on the DB37 connector. The Mux80 multiplexer can expand this to to 80 single ended or 40 differential channels.
The maximum input range is ±10 volts, with software selectable gains of x1, x10, and x100. Each analogue input can be measured single-ended, or differentially in even/odd pairs. Analogue input resolution is 16 bits at max speed (?? conversion time), increasing to 18 bits at slower speeds (?? ms conversion time). Input impedance is at least 1 G?, with typical input bias currents of only 10 nA.
Command/response (software timed) analogue input reads typically take 1-4 ms depending on number of channels and communication configuration. Hardware timed input streaming has a maximum rate that varies with resolution from 4 ksamples/s at 18 bits to 50 ksamples/s at 16 bits.
The T7-Pro has all the features of the normal U6 with the addition of an auxiliary low-speed high-resolution (24-bit) sigma-delta ADC. Analogue input resolution varies from 19.5 bits (RMS or Effective) at max speed (??? ms conversion time), to 22 bits at slower speeds (??? ms conversion time).
ThermocouplesIt is possible to connect type E, J, K, R, T, S, and C thermocouples directly to the T7-PRO. The T7-PRO has an internal temperature sensor, which can be used for cold junction compensation.
Fixed Current OutputsThe LabJack T7-PRO has 2 fixed current outputs of 10 uA and 200 uA. These are useful for measuring resistance and for use with resistance thermometers.
Analogue OutputsThe LabJack T7-PRO has 2 analogue outputs (DAC0 and DAC1) that are available both on screw terminals and the DB37 connector. Each analogue output can be set to a voltage between about 0 and 5 volts with 12-bits of resolution. The analogue outputs are based on a true voltage reference.
The analogue outputs are updated in command/response mode, with a typical update time of 1-4 ms depending on communication configuration.
Digital I/O The LabJack T7-PRO has 20 digital I/O channels which can be individually configured as input, output-high, or output-low.
The first 4 FIO are available on screw terminals and the DB37 connector. All 8 FIO and 3 MIO are available on the DB37 connector, and 8 EIO and 4 CIO are available on the DB15 connector. Note that on the U6, CIO0-CIO2 are the same as MIO0-MIO2.
Command/response (software timed) reads/writes typically take 1-4 ms depending on communication configuration. The digital inputs can also be read in a hardware timed input stream where up to 16 inputs count as a single stream channel.
TimersUp to 4 digital I/O can be configured as timers. The timers are very flexible, providing options such as PWM output, pulse timing, pulse counting, and quadrature input.
Counters
Up to 2 digital I/O can be configured as 32-bit counters. Since counting is one possible mode of the timers above, the T7-PRO has up to 6 counting inputs.
Kipling Software
The Kipling configuration software for the T7-PRO provides basic test, configuration, and self-upgrade functionality in a graphical interface. The extent of the graphical interface is limited, since the software is intended as a basic tool. However, ALL T7 functionality is present within the program through the use of the register tables.
The Dashboard tab allows for simple testing in a graphical way. Change DIO from input to output by clicking the input button. Or, modify the analogue output voltage of the DAC lines with the arrow buttons. Analogue input values are displayed next to the analogue channel number.All of the values are updated about every half second on the dashboard page, and will continue unless the communication between the T7 and the computer is disrupted.
LUA Scripting for Stand-Alone Use
T7 and T7-Pro can operate without computer involvement running a LUA script. The user can now write complex control applications such as PID loops, data logging to SD card etc all from within Kipling which is then uoploaded to the T7. There are dozens of simple examples built into Kipling, so you don't have to dig around to find example code. See here for more information >>
uSD Card for Data Logging
The microSD card is only useful for people who are using scripting, since all other interactions with the T7 can be saved to the host PC hard drive. The LUA script has a host of file read/write routines included.
The T7-Pro ships with a 2GB micro SD card, RTC, and battery/battery-holder installed. The T7 has none of these, but does have the socket installed to hold an SD card.
Free Application Software
Included with the Windows installation we provide several useful applications free of charge.
- LJLogM - Logging program up to 10 Hz
- LJStreamM - Logging program up to 80,000 Hz
Optional Software
| DAQFactory DAQFactory is a low cost data acquisition and control software for SCADA, Factory Automation, HMI and Test and Measurement applications. DAQFactory provides all the tools needed to acquire data, log it, share it on a network, display it on the screen, graph it, analyse it, and automate your project. DAQFactory can communicate with just about any serial or Ethernet device using Modbus RTU, ASCII or Modbus/ TCP. It also supports a wide variety of DAQ devices including LabJack USB devices and many other DAQ cards. More Information >> |  |
Downloads
User Manual >>
T7-PRO Start and Downloads >>
Download DAQFactory Express >>
Analogue Inputs
14
Analogue Outputs
2
Digital Inputs
20
Digital Outputs
20
