Calibration Circuitry; Cables And Accessories; Pci Express, Pxi Express, And Usb Mass Termination Device Cables And Accessories - National Instruments DAQ X Series User Manual

Calibration Circuitry

The X Series analog inputs and outputs have calibration circuitry to correct
gain and offset errors. You can calibrate the device to minimize AI and AO
errors caused by time and temperature drift at run time. No external
circuitry is necessary; an internal reference ensures high accuracy and
stability over time and temperature changes.
Factory-calibration constants are permanently stored in an onboard
EEPROM and cannot be modified. When you self-calibrate the device, as
described in the
Started, software stores new constants in a user-modifiable section of the
EEPROM. To return a device to its initial factory calibration settings,
software can copy the factory-calibration constants to the user-modifiable
section of the EEPROM. Refer to the NI-DAQmx Help or the LabVIEW
Help for more information about using calibration constants.
For a detailed calibration procedure for X Series devices, refer to the
B/E/M/S/X Series Calibration Procedure by clicking Manual Calibration
Procedures on

Cables and Accessories

Refer to the PCI Express, PXI Express, and USB Mass Termination Device
Cables and Accessories section for X Series PCI Express, PXI Express,
and USB Mass Termination device cable and accessory information.
Refer to the
USB Screw Terminal device accessory information.
PCI Express, PXI Express, and USB Mass Termination Device Cables
and Accessories
Caution For compliance with Electromagnetic Compatibility (EMC) requirements, this
product must be operated with shielded cables and accessories. If unshielded cables or
accessories are used, the EMC specifications are no longer guaranteed unless all
unshielded cables and/or accessories are installed in a shielded enclosure with properly
designed and shielded input/output ports.
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Device Self-Calibration
.
ni.com/calibration
USB Screw Terminal Device Accessories
2-3
Chapter 2 DAQ System Overview
section of Chapter 1, Getting
section for X Series
X Series User Manual