DAQ for High-Voltage Measurements

16-Bit, 200 kS/s, 8 Analog Inputs

Complete Accuracy Tables

Input Characteristics

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.

Number of Channels

Input signal ranges..................................... see accuracy tables

Resolution .................................................. 16 bits, 1 in 65,536

Sampling Rate

Maximum Sampling Rate .......................... 200 kS/s aggregate multi-channel

Overvoltage protection

Inputs with overvoltage protection ............ CH<0..7>

Input coupling ............................................ DC

Data transfers ............................................ DMA, interrupts, programmed I/O

Transfer Characteristics

Nonlinearity

DNL

Gain Error ................................................... See Accuracy Table

Offset Error ................................................ See Accuracy Table**

Amplifier Characteristics

Input Impedance

NMR (60 Hz)

CMRR

Filter Characteristics

Filter Type .................................................. 6 Hz or 10 kHz, 2-pole, Butterworth

Stability

Triggers

Digital Triggers

Number of triggers ............................... 2

Purpose ................................................ Start & stop trigger, gate, clock

Source .................................................. PFI0/TRIG1 (front SMB connector),

PXI_TRIG_0…PXI_TRIG_6

(PXI trigger bus)

Slope .......................................................... Positive or negative; software

selectable

Compatibility......................................... 5V/TTL

Response.............................................. Rising or falling edge

Pulse width........................................... 10 ns minimum

Impedance............................................ 10 kOhm

Coupling................................................ DC

PXI Trigger Bus

Trigger lines .......................................... 6

Star trigger............................................ 1

Bus Interface

PXI……….……………………….Master, slave

Power Requirements

Calibration

Recommended warm-up time ............. 15 minutes

External calibration interval................... 1 year

Onboard calibration reference

Level................................................ 5.000V +/- 1mV

Temperature coefficient .................. + 0.6 ppm/oC

Long-term stability .......................... 6 ppm/Sqrt(1000h)

Physical

Dimensions (not including

connectors).......................................... 16.0 by 10.0 cm by 2.0 cm

(6.3 x 3.9 x 0.79 in)

Analog input signal connector.................. 16 x 1 minicombicon, 3.81 mm pitch

Analog input signal mating connector ..... 16 x 1 minicombicon, 3.81 mm pitch,

28-16 AWG signal wire

**Gain Error = Actual Input Voltage

* % of Reading

Specifications – PXI-4204

PXI-4204

8 differential

Max per channel (scanning all channels)

Module

Single Channel

Scan Rate w/SSH*

Scan Rate w/o SSH*

PXI-4204

333 kS/s

20 kS/s/ch

25 kS/s/ch

*SSH = Simultaneous Sample and Hold

Connector

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Screw Terminals

± 100 VDC

± 100 VDC

SMB Connector

± 15 V

± 15 V

Range

Percent of Full Scale (Typical)

± 100 V

0.02%

Other Ranges

0.01%

± 100 V, SSH Enabled

0.06%

Other Ranges, SSH Enabled

0.02%

Module

Typical

Maximum

PXI-4204

± 0.5 LSB

± 1 LSB

Module

Input Configuration

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PXI-4204

Differential Input

2 M

Ω

2M

Ω

Single-Ended

1 M

Ω

1M

Ω

PXI-4204

40 dB @ 6 Hz filter setting

Module

Input Frequency Ranges

CMRR

PXI-4204

DC to 60 Hz

>60 dB

PXI-4204

100 Hz to 10 kHz

>40 dB

Module

Input Range

Gain Temperature Coefficient

Offset Temperature Coefficient

PXI-4204

± 100 V

± 25 ppm/C

o

± 385 uV/C

o

Module

5 VDC (±5%)

PXI-4204

1 A

SSH Disabled

Absolute Accuracy

Absolute Accuracy

Percent Error

Nominal Range (V)

% of Reading

Offset

Noise + Quantization (mV)

Temp

at Full Scale

at Full Scale

Positive FS

Negative FS

24 Hrs

1 Year

(mV)

Single Pt.

Averaged

Drift (%/°C)

(mV)

(%)

100

-100

0.063

0.070

± 16.8

± 9.34

± 0.92

0.0027

88

0.088

50

-50

0.031

0.038

± 10.4

± 4.68

± 0.57

0.0025

30

0.060

5-5

0.061

0.068

± 4.7

± 0.69

± 0.40

0.0027

8.5

0.17

0.5

-0.5

0.061

0.068

± 4.1

± 0.49

± 0.40

0.0027

4.8

0.97

SSH Enabled

Absolute Accuracy

Absolute Accuracy

Percent Error

Nominal Range (V)

% of Reading

Offset

Noise + Quantization (mV)

Temp

at Full Scale

at Full Scale

Positive FS

Negative FS

24 Hrs

1 Year

(mV)

Single Pt.

Averaged

Drift (%/°C)

(mV)

(%)

100

-100

0.085

0.090

± 19.0

± 9.35

± 1.02

0.0027

110

0.110

50

-50

0.035

0.042

± 12.6

± 4.70

± 0.73

0.0025

34

0.069

5-5

0.063

0.070

± 6.8

± 0.82

± 0.60

0.0027

11

0.22

0.5

-0.5

0.063

0.070

± 6.3

± 0.66

± 0.60

0.0027

7.2

1.4