NI PXIe-4137 Bedienungsanleitung
SPECIFICATIONS
PXIe-4137
PXIe, ±200 V, ±1 A (DC)/±3 A (Pulsed), 100 fA Precision System PXI
Source Measure Unit
These specifications apply to the PXIe-4137.
Note In this document, the PXIe-4137 (40W) and PXIe-4137 (20W) are referred to
inclusively as the PXIe-4137. The information in this document applies to all
versions of the PXIe-4137 unless otherwise specified. To determine which version of
the module you have, locate the device name in one of the following places:
•In MAX—The PXIe-4137 (40W) shows NI PXIe-4137 (40W), and the
PXIe-4137 (20W) shows as NI PXIe-4137.
•Device front panel—The PXIe-4137 (40W) shows PXIe-4137 40W System
SMU, and the PXIe-4137 (20W) shows NI PXIe-4137 Precision System SMU
on the front panel.
Contents
Definitions.................................................................................................................................2
Conditions................................................................................................................................. 2
Cleaning Statement................................................................................................................... 3
Device Capabilities................................................................................................................... 3
Voltage.......................................................................................................................................7
Current...................................................................................................................................... 8
Noise......................................................................................................................................... 8
Sinking Power vs. Ambient Temperature Derating................................................................ 10
Output Resistance Programming Accuracy............................................................................ 12
Overvoltage Protection........................................................................................................... 12
Pulsed Operation..................................................................................................................... 13
Extended Range Pulsing for PXIe-4137 (40W)..............................................................13
Extended Range Pulsing for PXIe-4137 (20W)..............................................................18
Transient Response and Settling Time....................................................................................18
Load Regulation......................................................................................................................20
Measurement and Update Timing Characteristics.................................................................. 20
Remote Sense..........................................................................................................................22
Safety Interlock....................................................................................................................... 22
Examples of Calculating Accuracy Specifications................................................................. 23
Examples of Determining Extended Range Pulse Parameters and Optimizing Slew
Rate using NI SourceAdapt ............................................................................................. 25
Trigger Characteristics............................................................................................................ 32
Protection ............................................................................................................................... 32
Safety Voltages........................................................................................................................33
Current Ratings....................................................................................................................... 33
Guard Output Characteristics..................................................................................................33
Calibration Interval................................................................................................................. 33
Power Requirement.................................................................................................................33
Physical................................................................................................................................... 34
Environmental Characteristics................................................................................................ 34
Environmental Standards........................................................................................................ 34
Safety Compliance Standards................................................................................................. 35
EMC Standards....................................................................................................................... 35
Environmental Management................................................................................................... 35
Waste Electrical and Electronic Equipment (WEEE)..................................................... 36
电子信息产品污染控制管理办法（中国 RoHS）......................................................36
Product Certifications and Declarations................................................................................. 36
NI Services..............................................................................................................................36
Definitions
Warranted specifications describe the performance of a model under stated operating
conditions and are covered by the model warranty.
Characteristics describe values that are relevant to the use of the model under stated operating
conditions but are not covered by the model warranty.
•Typical specifications describe the performance met by a majority of models.
•Nominal specifications describe an attribute that is based on design, conformance testing,
or supplemental testing.
•Measured specifications describe the measured performance of a representative model.
Specifications are Warranted unless otherwise noted.
Conditions
Specifications are valid under the following conditions unless otherwise noted.
• Ambient temperature1 of 23 °C ± 5 ºC
• Chassis with slot cooling capacity ≥38 W2
– For chassis with slot cooling capacity = 38 W, fan speed set to HIGH
• Calibration interval of 1 year
• 30 minutes warm-up time
1The ambient temperature of a PXI system is defined as the temperature at the chassis fan inlet (air
intake).
2For increased capability, NI recommends installing the PXIe-4137 (40W) in a chassis with slot
cooling capacity ≥58 W.
2| ni.com | PXIe-4137 Specifications
• Self-calibration performed within the last 24 hours
•NI-DCPower Aperture Time is set to 2 power-line cycles (PLC)
Cleaning Statement
Notice Clean the hardware with a soft, nonmetallic brush. Make sure that the
hardware is completely dry and free from contaminants before returning it to
service.
Device Capabilities
The following table and figure illustrate the voltage and the current source and sink ranges of
the PXIe-4137.
Table 1. Current Source and Sink Ranges
DC voltage ranges DC current source and sink ranges
600 mV
6 V
20 V
200 V3
1 μA
10 μA
100 μA
1 mA
10 mA
100 mA
1 A
3 A4
3Voltage levels and limits >|40 VDC| require the safety interlock input to be closed.
4Current is limited to 1 A DC. Higher levels are pulsing only.
PXIe-4137 Specifications | © National Instruments Corporation | 3
Figure 1. Quadrant Diagram for PXIe-4137 (40W)
0.5
3.0
2.5
2.0
1.5
1.0
3.5
–3.5
–1.0
–1.5
–2.0
–2.5
–3.0
–0.5
–120–140–160
–200 –180 –100 –80 –60 –40 –20 200
60
8040 100 120 140 160 180 200
0.0
–200 V, –0.2 A
–200 V, 0.2 A
200 V, –0.2 A
200 V, 0.2 A
–40 W 40 W
40 W –40 W
Pulse or DC, up to 40 W
Pulse only, up to 480 W
–40 V, 1 A
–40 V, –1 A
40 V, 1 A
40 V, –1 A
Voltage (V)
Current (A)
–160 V, –3 A
160 V, 3 A
160 V, –3 A
–160 V, 3 A
Quadrant IQuadrant II
Quadrant IVQuadrant III
For additional information related to the Pulse Voltage or Pulse Current settings of the Output
Function, for the PXIe-4137 (40W), including pulse on time and duty cycle limits for a
particular operating point, refer to Pulsed Operation on page 13. For supplementary
examples, refer to Examples of Determining Extended Range Pulse Parameters and
Optimizing Slew Rate using NI SourceAdapt on page 25.
4| ni.com | PXIe-4137 Specifications
Figure 2. Quadrant Diagram for PXIe-4137 (20W)
0.5
3.0
2.5
2.0
1.5
1.0
3.5
–3.5
–1.0
–1.5
–2.0
–2.5
–3.0
–0.5
–120–140–160
–200 –180 –100 –80 –60 –40 –20 200
60
8040 100 120 140 160 180 200
0.0
–200 V, 60 mA
–200 V, –100 mA
–160 V, –1.25 A
200 V, 100 mA
160 V, –1.25 A
66.6 V, –3 A
–66.6 V, –3 A
–20 V, –1 A 12 V, –1 A
–200 W
–12 V, 1 A
–12 W 20 W
200 W
20 W
200 W
–12 W
–200 W
Pulse or DC
Pulse only, maximum pulse on time 1ms, maximum duty cycle 5%
Pulse only, maximum pulse on time 400 µs, maximum duty cycle 2%
–66.6 V, 3 A 160 V, 3 A
160 V, –3 A
66.6 V, 3 A
–160 V, 3 A
–160 V, –3 A
–160 V, 1.25 A
20 V, 1 A
Voltage (V)
Current (A)
160 V, 1.25 A
200 V, –60 mA
Quadrant I
Quadrant II
Quadrant IV
Quadrant III
DC sourcing power and sinking power are limited to the values in the following table,
regardless of output voltage. 5
Table 2. DC Sourcing & Sinking Power
Model Variant Chassis Type DC Sourcing Power DC Sinking Power
PXIe-4137 (40W) ≥58 W Slot Cooling Capacity 40 W 40 W
<58 W Slot Cooling Capacity 20 W 12 W
PXIe-4137 (20W) ≥58 W Slot Cooling Capacity 20 W 12 W
<58 W Slot Cooling Capacity 20 W 12 W
5Power limit defined by voltage measured between HI and LO terminals.
PXIe-4137 Specifications | © National Instruments Corporation | 5
Caution Limit DC power sinking to 12 W where applicable as indicated in the
above table. For <58 W cooling slots,
• Additional derating applies to sinking power when operating at an ambient
temperature of >45 °C.
• If the PXI Express chassis has multiple fan speed settings, set the fans to the
highest setting.
Related Information
Sinking Power vs. Ambient Temperature Derating on page 10
Extended Range Pulsing for PXIe-4137 (40W)(1) on page 13
Extended Range Pulsing for PXIe-4137 (20W)(1) on page 18
6| ni.com | PXIe-4137 Specifications
Voltage
Table 3. Voltage Programming and Measurement Accuracy/Resolution
Range Resolution
(noise limited)
Noise
(0.1 Hz to
10 Hz, peak
to peak),
Typical
Accuracy (23 °C ±5 °C) ± (%
of voltage + offset)6
Tempco ± (% of
voltage +
offset)/°C, 0 °C
to 55 °C
Tcal ±5 °C7Tcal ±1 °C7
600 mV 100 nV 2 μV 0.020% +
50 μV
0.017% +
30 μV
0.0005% + 1 μV
6 V 1 μV 6 μV 0.020% +
320 μV
0.017% +
90 μV
20 V 10 μV 20 μV 0.022% +
1 mV
0.017% +
400 μV
200 V 100 μV 200 μV 0.025% +
10 mV
0.020% +
2.5 mV
Related Information
Noise on page 8
Load Regulation on page 20
Remote Sense on page 22
6Accuracy is specified for no load output configurations. Refer to Load Regulation and Remote
Sense sections for additional accuracy derating and conditions.
7Tcal is the internal device temperature recorded by the PXIe-4137 at the completion of the last self-
calibration.
PXIe-4137 Specifications | © National Instruments Corporation | 7
Current
Table 4. Current Programming and Measurement Accuracy/Resolution
Range Resolution
(noise
limited)
Noise
(0.1 Hz to
10 Hz, peak
to peak),
Typical
Accuracy (23 °C ± 5 °C) ±
(% of current + offset)
Tempco ± (%
of current +
offset)/°C, 0 °C
to 55 °C
Tcal ± 5 °C8Tcal ± 1 °C8
1 μA 100 fA 4 pA 0.03% + 100 pA 0.022% + 40 pA 0.0006% +
4 pA
10 μA 1 pA 30 pA 0.03% + 700 pA 0.022% +
300 pA
0.0006% +
22 pA
100 μA 10 pA 200 pA 0.03% + 6 nA 0.022% + 2 nA 0.0006% +
200 pA
1 mA 100 pA 2 nA 0.03% + 60 nA 0.022% + 20 nA 0.0006% +
2 nA
10 mA 1 nA 20 nA 0.03% + 600 nA 0.022% +
200 nA
0.0006% +
20 nA
100 mA 10 nA 200 nA 0.03% + 6 μA 0.022% + 2 μA 0.0006% +
200 nA
1 A 100 nA 2 μA 0.04% + 60 μA 0.035% + 20 μA 0.0006% +
2 μA
3 A91 μA 20 μA 0.08% + 900 μA 0.075% +
600 μA
0.0018% +
20 μA
Noise
Wideband source noise <20 mV peak-to-peak in 20 V range, device
configured for normal transient response,
10 Hz to 20 MHz, typical
The following figures illustrate measurement noise as a function of measurement aperture for
the PXIe-4137.
8Tcal is the internal device temperature recorded by the PXIe-4137 at the completion of the last self-
calibration.
93 A range above 1 A is for pulsing only.
8| ni.com | PXIe-4137 Specifications
Figure 3. Voltage Measurement Noise vs. Measurement Aperture, Nominal
555.5 n
Measurement Noise, RMS (Volts)
100 n
1 μ
10 μ
100 μ
1 m
10 m
100 m
1 μ10 μ100 μ
Aperture (Seconds)
1 m 10 m
2 PLC
100 m
20 V Range
200 V Range
6 V Range
600 mV Range
Note When the aperture time is set to 2 power-line cycles (PLCs), measurement
noise differs slightly depending on whether the Power Line Frequency is set to
50 Hz or 60 Hz.
PXIe-4137 Specifications | © National Instruments Corporation | 9
Figure 4. Current Measurement Noise vs. Measurement Aperture, Nominal
555.5 n
Measurement Noise, RMS (Amps)
100 f
1 p
10 p
100 p
1 n
10 n
100 n
1 μ
10 μ
100 μ
1 m
10 m
1 μ10 μ100 μ
Aperture (Seconds)
1 m 10 m
2 PLC
100 m
3 A Range
1 A Range
100 mA Range
10 mA Range
1 mA Range
100 μA Range
10 μA Range
1 μA Range
Note When the aperture time is set to 2 power-line cycles (PLCs), measurement
noise differs slightly depending on whether the Power Line Frequency is set to
50 Hz or 60 Hz.
Related Information
Voltage on page 7
Sinking Power vs. Ambient Temperature
Derating
The following figure illustrates sinking power derating as a function of ambient temperature.
This applies to the PXIe-4137 (20W) when used with any chassis and only applies to the
PXIe-4137 (40W) when used with a chassis with slot cooling capacity <58 W.
10 | ni.com | PXIe-4137 Specifications
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