NI R Series Multifunction RIO Specifications National Instruments 785 372492c

User Manual: R-785

Open the PDF directly: View PDF PDF.
Page Count: 10

NI R Series Multifunction RIO
Specifications
This document lists the specifications of the NI 781xR/783xR/784xR/785xR. These specifications are typical at 25 °C unless
otherwise noted.
Analog Input (NI 783xR/784xR/785xR Only)
Input Characteristics
Number of channels
NI 7830R .................................... 4
NI 7831R/7833R/7841R/7842R/
7851R/7852R/7853R/7854R ...... 8
Input modes..................................... DIFF, RSE, NRSE
(software-selectable;
selection applies to all
channels)
Type of ADC .................................. Successive
approximation
Resolution ....................................... 16 bits, 1 in 65,536
Conversion time
NI 783xR/NI 784xR.................... 4 μs
NI 785xR .................................... 1 μs
Maximum sampling rate
NI 783xR/784xR......................... 200 kS/s (per channel)
NI 785xR .................................... 750 kS/s (per channel)
Input impedance
Powered on .................................10 GΩ in parallel with
100 pF
Powered off/overload..................4.0 kΩ min
Input signal range ............................±10 V
Input bias current
NI 783xR.....................................±2 nA
NI 784xR/785xR .........................±5 nA
Input offset current
NI 783xR.....................................±1 nA
NI 784xR/785xR .........................±5 nA
Input coupling .................................DC
Maximum working voltage
(signal + common mode).................Inputs should remain
within ±12 V of ground
Overvoltage protection
Powered on .................................±42 V
Powered off.................................±35 V
ni.com/manuals
DeutschFrançais
NI R Series Multifunction RIO Specifications 2 ni.com
Accuracy Information
NI 783xR
NI 784xR/785xR
DC Transfer Characteristics
INL
NI 783xR.....................................±3 LSB typ, ±6 LSB max
NI 784xR/785xR .........................±1 LSB typ, ±3 LSB max
DNL
NI 783xR.....................................–1.0 to +2.0 LSB max
NI 784xR/785xR .........................±0.4 LSB typ,
±0.9 LSB max
No missing codes
NI 783xR.....................................16 bits typ, 15 bits min
NI 784xR/785xR .........................16 bits guaranteed
CMRR, DC to 60 Hz .......................–86 dB
Dynamic Characteristics
Bandwidth
NI 783xR
Small signal (–3 dB)...............650 kHz
Large signal (1% THD)..........55 kHz
NI 784xR/785xR
Small signal (–3 dB) .............. 1 MHz
Large signal (1% THD) ......... 500 kHz
Settling Time
Crosstalk ......................................... –80 dB, DC to 100 kHz
Nominal Range (V)
Absolute Accuracy Relative Accuracy
% of Reading
Offset
(μV)
Noise +
Quantization (μV)
Temp
Drift
(%/°C)
Absolute
Accuracy
at Full
Scale
(±mV)
Resolution (μV)
Positive
Full
Scale
Negative
Full
Scale
24
Hours 1 Year
Single
Point Averaged
Single
Point Averaged
10.0 –10.0 0.0496 0.0507 2,542 1,779 165 0.0005 7.78 2,170 217
Note: Accuracies are valid for measurements following an internal calibration. Averaged numbers assume dithering and
averaging of 100 single-channel readings. Measurement accuracies are listed for operational temperatures within ±1 °C of
internal calibration temperature and ±10 °C of external or factory-calibration temperature.
Nominal Range (V)
Absolute Accuracy Relative Accuracy
% of Reading
Offset
(μV)
Noise +
Quantization (μV)
Temp
Drift
(%/°C)
Absolute
Accuracy
at Full
Scale
(±mV)
Resolution (μV)
Positive
Full
Scale
Negative
Full
Scale
24
Hours 1 Year
Single
Point Averaged
Single
Point Averaged
10.0 –10.0 0.0186 0.0228 1,591 1,029 91.6 0.0005 3.97 1,205 121
Note: Accuracies are valid for measurements following an internal calibration. Averaged numbers assume dithering and
averaging of 100 single-channel readings. Measurement accuracies are listed for operational temperatures within ±1 °C of
internal calibration temperature and ±10 °C of external or factory-calibration temperature.
Device
Step
Size
Accuracy
±16 LSB ±4 LSB ±2 LSB
NI 783xR±20.0 V 7.5 μs10.3 μs40 μs
±2.0 V 2.7 μs4.1 μs5.1 μs
±0.2 V 1.7 μs2.9 μs3.6 μs
NI 784xR/
785xR
±20.0 V 2.1 μs4.2 μs 8 μs
±2.0 V 1.3 μs1.6 μs1.8 μs
±0.2 V 0.8 μs1.1 μs1.2 μs
© National Instruments Corporation 3 NI R Series Multifunction RIO Specifications
Analog Output (NI 783xR/784xR/785xR Only)
Output Characteristics
Output type ..................................... Single-ended,
voltage output
Number of channels
NI 7830R .................................... 4
NI 7831R/7833R/7841R/7842R/
7851R/7852R/7853R/7854R ...... 8
Resolution........................................16 bits, 1 in 65,536
Update time .....................................1.0 μs
Maximum update rate......................1 MS/s
Type of DAC ...................................Enhanced R-2R
Accuracy Information
DC Transfer Characteristics
INL.................................................. ±0.5 LSB typ,
±4.0 LSB max
DNL ................................................ ±0.5 LSB typ,
±1 LSB max
Monotonicity................................... 16 bits, guaranteed
Voltage Output
Range .............................................. ±10 V
Output coupling .............................. DC
Output impedance
NI 783xR .................................... 1.25 Ω
NI 784xR/785xR......................... 0.5 Ω
Current drive ................................... ±2.5 mA
Protection ........................................ Short-circuit to ground
Power-on state................................. User configurable
Dynamic Characteristics
Settling time
Slew rate ..........................................10 V/μs
Noise................................................150 μVrms, DC to 1 MHz
Glitch energy
at midscale transition.......................±200 mV for 3 μs
Nominal Range (V)
Absolute Accuracy
Absolute
Accuracy at
Full Scale
(mV)
% of Reading
Offset (μV)
Temp D rift
(%/°C)
Positive Full
Scale
Negative Full
Scale 24 Hours 1 Year
10.0 –10.0 0.0335 0.0351 2366 0.0005 5.88
Note: Accuracies are valid for analog output following an internal calibration. Analog output accuracies are listed for
operation temperatures within ±1 °C of internal calibration temperature and ±10 °C of external or factory calibration
temperature. Temp Drift applies only if ambient is greater than ±10 °C of previous external calibration.
Step Size
Accuracy
±16 LSB ±4 LSB ±2 LSB
±20.0 V 6.0 μs6.2 μs7.2 μs
±2.0 V 2.2 μs2.9 μs3.8 μs
±0.2 V 1.5 μs2.6 μs3.6 μs
NI R Series Multifunction RIO Specifications 4 ni.com
Digital I/O
Number of channels
NI 781xR.....................................160
NI 7830R.....................................56
NI 7831R/7833R/7841R/7842R/
7851R/7852R/7853R/7854R ......96
Compatibility...................................TTL
Digital logic levels
Output current
Source .........................................4.0 mA
Sink .............................................4.0 mA
Input leakage current .......................±10 μA
Power-on state .................................Programmable, by line
Protection
Input
NI 781xR/783xR.....................–0.5 to 7.0 V, single line
NI 784xR/785xR
.................... –20.0
to
20.0
V,
single
line
Output .........................................Short-circuit
(up to eight lines may be
shorted at a time)
Minimum pulse width
Input ............................................25 ns
Output .........................................12.5 ns
Minimum sampling period ..............5 ns
Reconfigurable FPGA
NI 7811R/7830R/7831R
FPGA type.................................. Virtex-II V1000
Number of flip-flops................... 10,240
Number of 4-input LUTs............ 10,240
Number of 18 ×18 multipliers... 40
Embedded block RAM............... 720 kbits
NI 7813R/7833R
FPGA type.................................. Virtex-II V3000
Number of flip-flops................... 28,672
Number of 4-input LUTs............ 28,672
Number of 18 ×18 multipliers... 96
Embedded block RAM............... 1,728 kbits
NI 7841R/7851R
FPGA type.................................. Virtex-5 LX30
Number of flip-flops................... 19,200
Number of 6-input LUTs............ 19,200
Number of DSP48
slices (25 ×18 multipliers)......... 32
Embedded block RAM............... 1,152 kbits
NI 7842R/7852R
FPGA type.................................. Virtex-5 LX50
Number of flip-flops................... 28,800
Number of 6-input LUTs............ 28,800
Number of DSP48
slices (25 ×18 multipliers)......... 48
Embedded block RAM............... 1,728 kbits
NI 7853R
FPGA type.................................. Virtex-5 LX85
Number of flip-flops................... 51,840
Number of 6-input LUTs............ 51,840
Number of DSP48
slices (25 ×18 multipliers)......... 48
Embedded block RAM............... 3,456 kbits
NI 7854R
FPGA type.................................. Virtex-5 LX110
Number of flip-flops................... 69,120
Number of 6-input LUTs............ 69,120
Number of DSP48
slices (25 ×18 multipliers)......... 64
Embedded block RAM............... 4,608 kbits
Timebase......................................... 40, 80, 120, 160,
or 200 MHz
Level Min Max
Input low voltage (VIL)
Input high voltage (VIH)
0.0 V
2.0 V
0.8 V
5.5 V
Output low voltage (VOL),
where IOUT = –4 mA
Output high voltage (VOH),
where IOUT = 4 mA
0 V
2.4 V
0.4 V
3.3 V
© National Instruments Corporation 5 NI R Series Multifunction RIO Specifications
Timebase reference sources
NI PCI-781xR/783xR ................. Onboard clock only
NI PCIe-784xR/785xR ............... Onboard clock only
NI PXI-78xxR............................. Onboard clock,
phase-locked to PXI
10 MHz clock
Timebase accuracy,
onboard clock.................................. ±100 ppm, 250 ps
peak-to-peak jitter
Phase locked to PXI 10 MHz
Clock (NI PXI-78xxR only)............ Adds 350 ps
peak-to-peak jitter
Additional frequency-dependent peak-to-peak jitter
NI 781xR/783xR
40 MHz .................................. None
80 MHz .................................. 400 ps
120 MHz ................................ 720 ps
160 MHz ................................ 710 ps
200 MHz ................................ 700 ps
NI 784xR/785xR
40 MHz .................................. None
80 MHz .................................. 460 ps
120 MHz ................................ 172 ps
160 MHz ................................ 172 ps
200 MHz ................................ 152 ps
Calibration (NI 783xR/784xR/785xR Only)
Recommended warm-up time ......... 15 minutes
Calibration interval ......................... 1 year
Onboard calibration reference
DC level...................................... 5.000 V (±3.5 mV)
(actual value stored
in Flash memory)
Temperature coefficient ............. ±5 ppm/°C max
Long-term stability ..................... ±20 ppm/
Note Refer to Calibration Certificates at
ni.com/calibration to generate a calibration
certificate for the NI 78xxR.
Bus Interface
PCI/PCIe/PXI ..................................Master, slave
Data transfers...................................DMA, interrupts,
programmed I/O
Number of DMA channels ..............3
Power Requirement
+5 VDC (±5%)1
NI 781xR.....................................9 mA typ
NI 7830R/7831R.........................330 mA typ
NI 7833R.....................................364 mA typ
NI PXI-7841R/7851R .................125 mA typ
NI PXI-7842R/7852R .................136 mA typ
NI 7853R.....................................460 mA typ
NI 7854R.....................................484 mA typ
+3.3 VDC (±5%)2
NI 7811R.....................................650 mA typ
NI 7813R.....................................850 mA typ
NI 7830R/7831R.........................462 mA typ
NI 7833R.....................................727 mA typ
NI PCIe-7841R/7851R ...............847 mA typ
NI PCIe-7842R/7852R ...............984 mA typ
NI PXI-7841R/7851R .................525 mA typ
NI PXI-7842R/7852R .................604 mA typ
NI 7853R.....................................640 mA typ
NI 7854R.....................................843 mA typ
+12 V
NI 784xR/785xR .........................0.5 A
–12 V
NI PXI-784xR/785xR .................0.25 A
+5V terminal
Connector 0.................................0.5 A max3
Connector 1.................................0.5 A max3
Connector 2.................................0.5 A max3
All connectors .............................1.5 A max3, 4
1,000 h
1 Does not include current drawn from the +5 V line on the I/O connectors.
2 Does not include current sourced by the digital outputs.
3 (NI PCIe-78xx R only) Total maximum terminal current for all connectors is 100 mA unless disk drive connector is attached.
4 (NI 784xR/785xR only) The NI 784xR/785xR has a user-replaceable socketed fuse that opens when current exceeds the current
specification. Refer to the NI R Series Multifunction RIO User Manual, available at ni.com/manuals, for information about
fuse replacement.
NI R Series Multifunction RIO Specifications 6 ni.com
To calculate the total current sourced by the digital outputs,
use the following equation:
Power available at I/O connectors
...4.50 to 5.25 VDC at 1 A
total, 250 mA per I/O
connector pin
Physical
Dimensions (not including connectors)
NI PCI-781xR/783xR..................17 cm by 11 cm
(6.7 in. by 4.3 in.)
NI PCIe-784xR/785xR................17 cm by 11 cm
(6.7 in. by 4.3 in.)
NI PXI-78xxR .............................16 cm by 10 cm
(6.3 in. by 3.9 in.)
Weight
NI PCI-781xR/783xR..................112 g
NI PCIe-784xR/785xR................127 g
NI PXI-78xxR .............................152 g
I/O connectors
NI 781xR.....................................Four 68-pin female
high-density VHDCI type
NI 7830R.....................................Two 68-pin female
high-density VHDCI type
NI 783xR/784xR/785xR..............Three 68-pin female
high-density VHDCI type
Disk drive power connector
(PCIe devices) .................................Standard ATX peripheral
connector (not serial
ATA)
Maximum Working Voltage
(NI 783xR/784xR/785xR Only)
Maximum working voltage refers to the signal voltage plus the
common-mode voltage.
Channel-to-earth ..............................±12 V, Measurement
Category I
Channel-to-channel .........................±24 V, Measurement
Category I
Caution Do not use the NI 783xR/784xR/785xR
for connection to signals in Measurement
Categories II, III, or IV.
Environmental
The NI 78xxR is intended for indoor use only.
Operating Environment
NI 781xR......................................... 0 °C to 55 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
NI 7830R, NI 7831R
40 MHz or 80 MHz timebase ..... 0 °C to 55 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
NI PCI/PXI-7833R
40 MHz timebase ....................... 0 °C to 55 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
80 MHz timebase ....................... 0 °C to 55 °C except the
following: 0 °C to 45 °C
when installed in an
NI PXI-1000/B or
NI PXI-101X,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
NI PXI-7841R/7842R/7851R/7852R/7853R/7854R
40 MHz timebase ....................... 0 °C to 55 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
80 MHz timebase ....................... 0 °C to 55 °C except the
following: 0 °C to 45 °C
when installed in an
NI PXI-1000/B or
NI PXI-101X,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
NI PCIe-7841R/7842R/7851R/7852R
40 MHz or 80 MHz timebase ..... 0 °C to 40 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
Relative humidity range.................. 10% to 90%,
noncondensing,
tested in accordance with
IEC-60068-2-56.
Altitude ........................................... 2,000 m at 25 °C ambient
temperature
current sourced on channel i
i1=
j
© National Instruments Corporation 7 NI R Series Multifunction RIO Specifications
Storage Environment
NI PCI/PXI-781xR/783xR .............. –20 °C to 70 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
NI PCIe-784xR/785xR.................... –20 °C to 70 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
NI PXI-784xR/785xR ..................... –40 °C to 70 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
Ambient temperature range ............ –20 °C to 70 °C,
tested in accordance with
IEC-60068-2-1 and
IEC-60068-2-2.
Relative humidity range.................. 5% to 95%,
noncondensing,
tested in accordance with
IEC-60068-2-56.
Note Clean the device with a soft, non-metallic
brush. Make sure that the device is completely dry
and free from contaminants before returning it to
service.
Shock and Vibration (for NI PXI-78xx R Only)
Operational shock ........................... 30 g peak, half-sine,
11 ms pulse;
tested in accordance with
IEC-60068-2-27. Test
profile developed in
accordance with
MIL-PRF-28800F.
Random vibration
Operating .................................... 5 Hz to 500 Hz, 0.3 grms
Nonoperating .............................. 5 Hz to 500 Hz, 2.4 grms,
tested in accordance with
IEC-60068-2-64.
Nonoperating test profile
exceeds the requirements
of MIL-PRF-28800F,
Class 3.
Safety
The NI 78xxR is designed to meet the requirements of the
following standards of safety for electrical equipment for
measurement, control, and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1, CSA 61010-1
Note For UL and other safety certifications,
refer to the product label or the Online Product
Certification section.
Electromagnetic Compatibility
The NI 78xxR is designed to meet the requirements of the
following standards of EMC for electrical equipment for
measurement, control, and laboratory use:
• EN 61326 (IEC 61326): Class A emissions;
Basic immunity
• EN 55011 (CISPR 11): Group 1, Class A emissions
• AS/NZS CISPR 11: Group 1, Class A emissions
• FCC 47 CFR Part 15B: Class A emissions
• ICES-001: Class A emissions
Note For the standards applied to assess the EMC
of this product, refer to the Online Product
Certification section.
Note For EMC compliance, operate this device
with shielded cabling.
CE Compliance
This product meets the essential requirements of applicable
European Directives as follows:
• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EC; Electromagnetic Compatibility Directive
(EMC)
NI R Series Multifunction RIO Specifications 8 ni.com
Online Product Certification
Refer to the product Declaration of Conformity (DoC) for
additional regulatory compliance information. To obtain
product certifications and the DoC for this product, visit
ni.com/certification, search by model number or
product line, and click the appropriate link in the Certification
column.
Environmental Management
NI is committed to designing and manufacturing products in
an environmentally responsible manner. NI recognizes that
eliminating certain hazardous substances from our products is
beneficial to the environment and to NI customers.
For additional environmental information, refer to the NI and
the Environment Web page at ni.com/environment. This
page contains the environmental regulations and directives
with which NI complies, as well as other environmental
information not included in this document.
Waste Electrical and Electronic Equipment (WEEE)
EU Customers At the end of their life cycle, all
products must be sent to a WEEE recycling center.
For more information about WEEE recycling
centers and National Instruments WEEE initiatives,
visit ni.com/environment/weee.htm.
© National Instruments Corporation 9 NI R Series Multifunction RIO Specifications
Device Pinouts
Figure 1. NI 781xR Connector Pin Assignments and Locations
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5V
+5V
DIO28
DIO31
DIO33
DIO35
DIO37
DIO39
DIO0
DIO2
DIO3
DIO5
DIO6
DIO7
DIO8
DIO1
DIO4
DIO9
DIO10
DIO11
DIO12
DIO13
DIO14
DIO15
DIO16
DIO17
DIO18
DIO19
DIO20
DIO21
DIO22
DIO23
DIO24
DIO25
DIO26
DIO27
DIO29
DIO30
DIO32
DIO34
DIO36
DIO38
35 1
36 2
37 3
38 4
39 5
40 6
41 7
42 8
43 9
44 10
45 11
46 12
47 13
48 14
49 15
50 16
51 17
52 18
53 19
54 20
55 21
56 22
57 23
58 24
59 25
60 26
61 27
62 28
63 29
64 30
65 31
66 32
67 33
68 34
CONNECTOR 1
(RDIO)
TERMINAL 34
TERMINAL 68
TERMINAL 35
TERMINAL 1
TERMINAL 35
TERMINAL 1
TERMINAL 34
TERMINAL 68
TERMINAL 34
TERMINAL 68
TERMINAL 35
TERMINAL 1
CONNECTOR 0
(RDIO)
CONNECTOR 2
(RDIO)
TERMINAL 35
TERMINAL 1
TERMINAL 34
TERMINAL 68
CONNECTOR 3
(RDIO)
National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation.
Refer to the Terms of Use section on ni.com/legal for more information about National
Instruments trademarks. Other product and company names mentioned herein are trademarks or trade
names of their respective companies. For patents covering National Instruments products/technology,
refer to the appropriate location: Help»Patents in your software, the patents.txt file on your
media, or the National Instruments Patent Notice at ni.com/patents.
© 2008–2009 National Instruments Corporation. All rights reserved. 372492C-01 Jun09
Figure 2. NI 783xR/784xR/785xR Connector Pin Assignments and Locations
+5V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DIO8
DIO10
DIO12
DIO14
AOGND7
AOGND6
AOGND5
AOGND4
AOGND3
AOGND2
AOGND1
AOGND0
No Connect
AI7–1
AIGND7
AI6–1
AI5–1
AIGND5
AI4–1
AI3–
AIGND3
AI2–
AI1–
AIGND1
AI0–
+5V
DIO1
DIO2
DIO4
DIO5
DIO6
DIO7
DIO0
DIO3
DIO9
DIO11
DIO13
DIO15
AO71
AO61
AO51
AO41
AO3
AO2
AO1
AO0
AISENSE
AI7+1
AIGND6
AI6+1
AI5+1
AIGND4
AI4+1
AI3+
AIGND2
AI2+
AI1+
AIGND0
AI0+
35 1
36 2
37 3
38 4
39 5
40 6
41 7
42 8
43 9
44 10
45 11
46 12
47 13
48 14
49 15
50 16
51 17
52 18
53 19
54 20
55 21
56 22
57 23
58 24
59 25
60 26
61 27
62 28
63 29
64 30
65 31
66 32
67 33
68 34
1 No Connect on the NI 7830R
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5V
+5V
DIO28
DIO31
DIO33
DIO35
DIO37
DIO39
DIO0
DIO2
DIO3
DIO5
DIO6
DIO7
DIO8
DIO1
DIO4
DIO9
DIO10
DIO11
DIO12
DIO13
DIO14
DIO15
DIO16
DIO17
DIO18
DIO19
DIO20
DIO21
DIO22
DIO23
DIO24
DIO25
DIO26
DIO27
DIO29
DIO30
DIO32
DIO34
DIO36
DIO38
35 1
36 2
37 3
38 4
39 5
40 6
41 7
42 8
43 9
44 10
45 11
46 12
47 13
48 14
49 15
50 16
51 17
52 18
53 19
54 20
55 21
56 22
57 23
58 24
59 25
60 26
61 27
62 28
63 29
64 30
65 31
66 32
67 33
68 34
CONNECTOR 1
(RDIO)
TERMINAL 34
TERMINAL 68
TERMINAL 35
TERMINAL 1
TERMINAL 35
TERMINAL 1
TERMINAL 34
TERMINAL 68
TERMINAL 34
TERMINAL 68
TERMINAL 35
TERMINAL 1
CONNECTOR 0
(RMIO)
CONNECTOR 2
(RDIO)

Navigation menu