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PXIe-4154 Calibration Procedure

Calibration Executive 4.0 Help

Edition Date: March 2017

Part Number: 374564H-01

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This topic contains information for calibrating the National Instruments PXIe-4154 using Calibration Executive.

Calibration Executive Procedure Features:

Adjustment

Supported
Manual Mode
• DMM Supported
• External Current Source Supported
• Programmable Electronic Load Supported
• Digital Oscilloscope Unsupported
Selectable Test Points

Unsupported

Approximate Test Time: 100 minutes

Test Equipment|Test Conditions|Device Setup|Test Limit Equations

Test Equipment

The following table lists the test instruments required for calibrating the PXIe-4154.

Instrument Recommended Model Specification Value
DMM (x2) PXI-4071 All Parameters DC Voltage
0.1 V Range/1 V Range: Accuracy better than ±50 ppm of Reading + 18 µV of Offset and a resolution better than 1 µV resolution
10 V Range: Accuracy better than ±50 ppm of Reading + 60 µV of Offset and a resolution better than 10 µV resolution
100 mΩ Precision Current Shunt Guildline 9230A-15R,
Ohm Labs Cs10
Current Output and
Measurement
±100 ppm tolerance,
±50 ppm stability,
±5 ppm/°C temperature coefficient,
Minimum current 10 A,
4-wire kelvin sense
100 Ω Precision Current Shunt Vishay Y1453100R000T9L Current Output and
Measurement
±100 ppm tolerance,
±50 ppm stability,
±5 ppm/°C temperature coefficient,
Minimum power rating 0.5 W
External Current Source Fluke 5500A,
Fluke 5520A,
Fluke 5522A
Current Measurement Current output of at least 3 A. Less than 8 µA RMS Normal Mode Current Noise.
Programmable Electronic Load with Dynamic Current Capability Agilent N3302A Load Regulation,
Transient Response,
Output Resistance
Constant Current mode with the ability to sink at least 3 A and dynamic mode capable of doing a 0.1 A to 1.5 A step with a period of 5 mS and slew rate of at least 200 mA/µS.
Digital Oscilloscope PXI-5124 Transient Response Sampling rate of at least 200 MS/s and edge triggering capability
22.6 Ω Resistor (x2) Vishay PTF22R600FYBF Remote Sense Output 1% tolerance, 1/4 W, ±10 ppm/°C
200 Ω Resistor Vishay PTF65200R00AZEB Remote Sense Output 0.05% tolerance, 1/4 W, ±10 ppm/°C
Cable (x2) Belden 8760-BEL Transient Response 3 ft.,
18 AWG,
twisted-pair

Test Conditions

The following setup and environmental conditions are required to ensure the PXIe-4154 meets published specifications.

  • Keep connections to the device as short as possible. Long cables and wires act as antennas, picking up extra noise that can affect measurements
  • Verify that all connections to the device, including front panel connections, are secure.
  • Ensure that the PXI Express chassis fan speed is set to HIGH, that the fan filters are clean, and that the empty slots contain filler panels. For more information, refer to the Maintain Forced-Air Cooling Note to Users document available at ni.com/manuals.
  • Keep the relative humidity between 10% and 70%, noncondensing.
  • Allow a warm-up time of at least 30 minutes after NI-DCPower is loaded. Unless manually disabled, the NI-DCPower driver automatically loads with the operating system and enables the device. Allow the recommended warm-up time for all additional test equipment.
  • Use characterized values in all instances where precision shunt resistance is measured.
  • Use shielded copper wire for all cable connections to the device. Use twisted-pair wire to eliminate noise and thermal offsets. Use separate twisted-pair wires for Output + and Output - pins and Sense + and Sense - pins. The following figure shows an example of this connection.

    PXIe-4154 connection diagram

  • Plug the chassis and the instrument standard into the same power strip to avoid ground loops.

Device Setup

  1. Install the PXIe-4154 in the PXI Express chassis according to the instructions in the NI DC Power Supplies and SMUs Getting Started Guide.
  2. Configure the hardware using Measurement & Automation Explorer (MAX).
  3. Launch the Calibration Executive procedure. Calibration Executive guides you through the required connections.
Note Note  For the transient response tests, the connecting cable must be built properly. Use one 3-foot, 18 AWG twisted-pair cable to connect Output + and Output - to the electronic load, and another 3-foot, 18 AWG twisted-pair cable to connect Sense + and Sense - to the electronic load. To ensure signal integrity, the cable shields should be terminated to the ground.

Test Limit Equations

The following test limits are derived from the published specifications.

Voltage Output Accuracy

Test Limit = TestValue ±[abs(TestValue) * % of reading + offset]

Voltage Measurement Accuracy

Test Limit = TestValue ±[abs(TestValue) * % of reading + offset]

Current Output Accuracy

Test Limit = TestValue ±[abs(TestValue) * % of reading + offset]

Current Measurement Accuracy

Test Limit = TestValue ±[abs(TestValue) * % of reading + offset]

Output Resistance

Test Limit = TestValue ±[abs(TestValue) * % of reading + offset]

Current Load Regulation

Test Limit = ±[0.01% * Current Range * (V1 - V2)]

where V1 and V2 are the measured voltage output levels specified by the calibration procedure

Voltage Load Regulation

Test Limit (Ch0) = ±[(I1 – I2) * 3mV]
Test Limit (Ch1) = ±[(I1 – I2) * 1mV]

where I1 and I2 are the measured current output levels specified by the calibration procedure

Remote Sense Accuracy

Test Limit = TestValue ±[abs(TestValue) * % of reading + offset] + [Remote Sense Error]

Transient Response (Dip Level)

Test Limit = 0 < Reading < Max Dip Level

Transient Response (Response Recovery Time)

Test Limit = 0 < Reading < Response Recovery Time


 

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