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Refer to Calibration Certificates at
Note
calibration certificate for the NI 783xR.
Bus Interface
Power Requirement
1
Does not include current drawn form the +5 V line on the I/O connectors.
2
Does not include current sourced by the digital outputs.
© National Instruments Corporation
Onboard calibration reference
DC level .......................................... 5.000 V (±3.5 mV)
Temperature coefficient .................. ±5 ppm/°C max
Long-term stability ......................... ±20 ppm/
PXI (NI PXI-783xR only) ...................... Master, slave
PCI (NI PCI-783xR only) ...................... Master, slave
+5 VDC (±5%)
NI 7830R......................................... 330 mA (typ), 355 mA (max)
NI 7831R......................................... 330 mA (typ), 355 mA (max)
NI 7833R......................................... 364 mA (typ), 586 mA (max)
+3.3 VDC (±5%)
NI 7830R......................................... 462 mA (typ), 660 mA (max)
NI 7831R......................................... 462 mA (typ), 660 mA (max)
NI 7833R......................................... 727 mA (typ), 1,148 mA (max)
To calculate the total current sourced by the digital outputs use the
following equation:
∑
i
Where j is the number of digital outputs being used to source current.
Power available at I/O connectors ......... 4.50 to 5.25 VDC at 1 A total,
(actual value stored
in Flash memory)
ni.com/calibration
j
current sourced on channel i
1
=
250 mA per I/O connector pin
A-7
Appendix A
Specifications
1,000 h
to generate a
1
1
1
2
2
NI 783xR User Manual
2
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