Description
The PCI-6221 is a high-performance, PC-based Multifunction DAQ part of the distinguished M Series. It is available under part numbers 779066-01 and 779418-01. This versatile device offers an array of features designed for a wide range of applications.
It comes equipped with 16 single-ended or 8 differential Analog Input Channels and 2 Analog Output Channels, making it suitable for various data acquisition tasks. The device boasts a 16 bits Analog Input Resolution, ensuring precise data capture. With a Data Acquisition Rate of up to 250 kS/s and an Analog Output Rate of 833 kS/s (single channel) or 740 kS/s (dual channels), it offers high-speed performance for both input and output operations.
The PCI-6221 operates in both 3.3 V and 5 V Signal Environments, offering flexibility for integration with various systems. Its Analog Input Absolute Accuracy is 3100 uV, ensuring reliable and accurate measurements. Although it does not support Simultaneous Sampling, it is equipped with 2 32-bit Counters/Timers and supports Digital Triggering, enhancing its capability for complex data acquisition and analysis tasks.
When it comes to digital capabilities, the device features 24 Digital I/O channels and supports Correlated DIO with up to 1 MHz (68-pin version) and 2 channels (37-pin version), providing substantial flexibility for digital communications. Additionally, its 6 DMA Channels facilitate efficient data transfer without burdening the CPU.
Compatible with NI SCC and SCXI Signal Conditioning Platforms, the PCI-6221 is versatile and can be adapted to various measurement and control applications. Weighing just 3.2 oz. and measuring 4.2 x 6.1 in, it is compact and easily integrated into existing setups. Despite its advanced features, it has reached its
| Specification | Detail |
|---|---|
| Part Numbers | 779066-01, 779418-01 |
| Category | PC-based Multifunction DAQ |
| Model | PCI-6221 |
| Series | M Series |
| Analog Input Channels | 16 single-ended or 8 differential |
| Analog Output Channels | 2 |
| Digital I/O | 24 |
| Analog Input Resolution | 16 bits |
| Data Acquisition Rate | 250 kS/s |
| Analog Output Rate | 833 kS/s (single channel), 740 kS/s (dual channels) |
| Signal Environment | 3.3 V or 5 V |
| Analog Input Absolute Accuracy | 3100 uV |
| Maximum Sample Rate | 250 kS/s |
| Simultaneous Sampling | No |
| Counters/Timers | 2 32-bit |
| Digital Triggering | Yes |
| Compatible Signal Conditioning Platforms | NI SCC and SCXI |
| Correlated DIO (68-pin version) | Up to 1 MHz |
| Correlated DIO (37-pin version) | 2 channels |
| DMA Channels | 6 |
| Weight | 3.2 oz. |
| Dimensions | 4.2 x 6.1 in |
| Mature Status
Question 1: What is the max AI rate of the PCI-6221? Answer 1: 250 kS/s Question 2: How many AI channels does the PCI-6221 have? Question 3: Can the PCI-6221 operate in 5V signal environments? Question 4: Does the PCI-6221 support simultaneous sampling? Question 5: What is the analog input accuracy of the PCI-6221? |




