The National Instruments PCI-6221 is a multifunction I/O device from the M Series, featuring 16 single-ended or 8 differential analog input channels, 16-bit resolution, a 250 kS/s data acquisition rate, two analog output


Description

The National Instruments PCI-6221 is a versatile Multifunction I/O Device from the acclaimed M Series, offering a range of features including 16 single-ended or 8 differential analog input channels with a 16-bit resolution and a maximum data acquisition rate of 250 kS/s. This device provides two analog output channels, capable of reaching an output rate of 833 kS/s for a single channel and 740 kS/s for dual channels.

Designed to be bus powered, it operates within a 3.3 V or 5 V signal environment, ensuring efficient power utilization. The analog input boasts an absolute accuracy of 3100 uV, and although not equipped with simultaneous sampling, it maintains a robust performance with a maximum sample rate of 250 kS/s. The PCI-6221 includes two 32-bit counters/timers and supports digital triggering, enhancing its functionality for various applications.

Moreover, the device is compatible with NI’s SCC and SCXI signal conditioning platforms, allowing for seamless integration and expanded capabilities in sensor measurements and data logging. The 68-pin version of the PCI-6221 offers correlated digital I/O, further affirming its status as a comprehensive solution for data acquisition needs.

Feature Specification
Product Line National Instruments M Series
Part Numbers 779066-01, 779418-01
Analog Input Channels 16 single-ended or 8 differential
Analog Input Resolution 16 bits
Data Acquisition Rate 250 kS/s
Analog Output Channels 2
Analog Output Rate (single channel) 833 kS/s
Analog Output Rate (dual channels) 740 kS/s
Power Requirements Bus powered, 3.3 V or 5 V signal environment
Analog Input Absolute Accuracy 3100 uV
Sample Rate Maximum 250 kS/s
Simultaneous Sampling Not equipped
Counters/Timers Two 32-bit
Digital Triggering Yes
Compatibility NI SCC and SCXI signal conditioning platforms
Correlated Digital I/O (68-pin version)

Q1: What is the absolute accuracy specification of the National Instruments PCI-6221’s analog input channels?
A1: The absolute accuracy specification of the National Instruments PCI-6221’s analog input channels is 3100 microvolts (uV).

Q2: What are the analog output capabilities and maximum sample rates for the single and dual channels on the National Instruments PCI-6221 device?
A2: The National Instruments PCI-6221 Multifunction I/O Device features 16 single-ended or 8 differential analog input channels with 16-bit resolution and a maximum sampling rate of 250 kS/s, two analog output channels with a maximum rate of 833 kS/s for a single channel and 740 kS/s for dual channels, and it integrates with NI’s signal conditioning platforms, such as SCC and SCXI, to enhance sensor measurement and data logging capabilities.

Q3: What are the key features and compatibility options of the National Instruments PCI-6221 Multifunction I/O Device from the M Series?
A3: The National Instruments PCI-6221 Multifunction I/O Device from the M Series features 16 single-ended or 8 differential analog input channels with a 16-bit resolution and a maximum data acquisition rate of 250 kS/s.

Q4: What are the analog input and output specifications of the National Instruments PCI-6221 Multifunction I/O Device, and how does it integrate with NI’s signal conditioning platforms?
A4: The National Instruments PCI-6221 Multifunction I/O Device from the M Series features 16 single-ended or 8 differential analog input channels with a 16-bit resolution, a maximum data acquisition rate of 250 kS/s, two analog output channels with up to 833 kS/s for a single channel, bus-powered operation within a 3.3 V or 5 V signal environment, two 32-bit counters/timers, digital triggering, and compatibility with NI’s SCC and

Q5: What are the analog input capabilities and maximum data acquisition rate of the National Instruments PCI-6221 Multifunction I/O Device from the M Series?
A5: The National Instruments PCI-6221 device provides two analog output channels, with a maximum output rate of 833 kS/s for a single channel and 740 kS/s for dual channels.