The National Instruments PXI-2722 (Part Number: 781985-22) is a 16-bit, 5-channel programmable resistor module with a range of 0.25 Ω to 16,320 Ω per channel
The National Instruments PXI-2722, with part number 781985-22, is a high-resolution 16-Bit Programmable Resistor Module that features 5 channels capable of handling a maximum voltage of 60 VDC and 30 VACrms, CAT I both channel-to-channel and channel-to-ground. It supports a maximum current of 0.3 A per channel and a maximum power of 0.25 W per channel. The module’s temperature coefficient of resistance (TCR) stands at 100 ppm, with an adjustable steps resolution of 0.25 Ω, offering a wide range from 0.25 Ω to 16,320 Ω per channel.
Accuracy is a key feature of the PXI-2722, with typical channel accuracy being less than 10.0% for resistance settings between 20 Ω and 40 Ω, and less than 5.0% for settings between 40 Ω and 120 Ω. Moreover, this module can drive up to 89 relays simultaneously, ensuring extensive testing capabilities. The relays themselves are designed for longevity, with a life expectancy of 1 × 108 cycles at low power loads (<50 mW) and 1 × 106 cycles at full power loads (<250 mW), making the PXI-2722 a durable and reliable choice for various simulation and testing applications.
Specification
Detail
Part Number
781985-22
Channels
5 Channel
Resolution
16-Bit
Type
Programmable Resistor Module
Maximum Voltage (channel-to-channel)
60 VDC, 30 VACrms, CAT I
Maximum Voltage (channel-to-ground)
60 VDC, 30 VACrms, CAT I
Maximum Current (per channel)
0.3 A
Maximum Power (per channel)
0.25 W
Temperature Coefficient of Resistance (TCR)
100 ppm
Steps Resolution
0.25 Ω
Range (per channel)
0.25 Ω to 16,320 Ω
Typical Channel Accuracy (20 Ω – 40 Ω)
<10.0%
Typical Channel Accuracy (40 Ω – 120 Ω)
<5.0%
Simultaneous Drive Limit
89 relays
Question 1: What is the range of resistance that can be adjusted in steps of 0.25 Ω on the National Instruments PXI-2722 Programmable Resistor Module? Answer 1: The range of resistance that can be adjusted in steps of 0.25 Ω on the National Instruments PXI-2722 Programmable Resistor Module is from 0.25 Ω to 16,320 Ω per channel.
Question 2: What is the typical accuracy of the National Instruments PXI-2722 Programmable Resistor Module for resistance settings in the 40 Ω to 120 Ω range? Answer 2: The National Instruments PXI-2722 Programmable Resistor Module can handle a maximum voltage of 60 VDC and 30 VACrms, with a maximum current of 0.3 A per channel; its channel accuracy is less than 10% for resistance settings between 20 Ω and 40 Ω, and less than 5% for settings between 40 Ω and 120 Ω.
Question 3: What are the voltage and current specifications of the National Instruments PXI-2722 Programmable Resistor Module, and how does its channel accuracy vary with resistance settings? Answer 3: The typical accuracy of the National Instruments PXI-2722 Programmable Resistor Module for resistance settings in the 40 Ω to 120 Ω range is less than 5.0%.
Question 4: What is the accuracy of the National Instruments PXI-2722 Programmable Resistor Module for resistance settings between 40 Ω and 120 Ω? Answer 4: The temperature coefficient of resistance for the National Instruments PXI-2722 Programmable Resistor Module is 100 ppm, and its typical channel accuracy is less than 10.0% for resistance settings between 20 Ω and 40 Ω, and less than 5.0% for settings between 40 Ω and 120 Ω.
Question 5: What is the temperature coefficient of resistance for the National Instruments PXI-2722 Programmable Resistor Module and how does its typical channel accuracy vary across resistance settings ranging from 20 Ω to 120 Ω? Answer 5: The accuracy of the National Instruments PXI-2722 Programmable Resistor Module for resistance settings between 40 Ω and 120 Ω is less than 5.0%.
