Description
The PCI-6255 is a PC-based Multifunction Data Acquisition (DAQ) device manufactured by National Instruments. This device is designated with the part number 193588E-01L (779546-01), indicating its unique identity and specifications within the National Instruments product line. It is designed to be compatible with software such as DAQExpressTM and NI-DAQmx, providing versatile software support for various data acquisition applications.
With regards to its data acquisition capabilities, the PCI-6255 boasts 40 differential analog input channels, which can also be programmed as single-ended, providing flexibility in connecting to various sensors and signals. These input channels support a 16-bit input resolution and offer an impressive Common-Mode Rejection Ratio (CMRR) of 100 dB, ensuring high-quality signal acquisition with minimal noise interference.
The device is capable of achieving a sampling rate of up to 1.25 MS/s (single-channel) and up to 750 kS/s (multichannel), suitable for a wide range of high-speed data logging applications. The input voltage range is specified as +0.1 V to +10 V, with an input bias current of +100 pA, indicating the device’s ability to handle a broad spectrum of signal amplitudes.
In addition to its analog input capabilities, the PCI-6255 features 2 analog output channels with a 16-bit resolution and a high-speed output rate of up to 2.86 MS/s. These channels have an output impedance of 0.2 Ω, facilitating efficient signal transmission to external devices or systems.
The device is also equipped with 2 counters/timers that operate at 80 MHz with a 32-bit resolution, providing precise timing and counting functionalities for a variety of experimental or industrial applications. Additionally, it includes 24 digital I/O channels that are individually programmable and feature voltage protection, enhancing the device’s versatility and reliability in digital signal processing tasks.
| Specification | Details |
|---|---|
| Part Number | 193588E-01L (779546-01) |
| Category | PC-based Multifunction DAQ |
| Model | PCI-6255 |
| Manufacturer | National Instruments |
| Software | DAQExpressTM, NI-DAQmx |
| Analog Input Channels | 40 differential (programmable as single-ended) |
| Input Resolution | 16-bit |
| CMRR | 100 dB |
| Sampling Rate | Up to 1.25 MS/s (single-channel), Up to 750 kS/s (multichannel) |
| Input Voltage Range | +0.1 V to +10 V |
| Input Bias Current | +100 pA |
| Analog Output Channels | 2 (16-bit, up to 2.86 MS/s) |
| Output Impedance | 0.2 Ω |
| Counters/Timers | 2 (80 MHz, 32-bit) |
| Digital I/O Channels | 24 (individually programmable, voltage protection
Question 1: What is the max single-channel sampling rate of PCI-6255? Question 2: How many analog input channels does PCI-6255 have? Question 3: What software is compatible with PCI-6255? Question 4: What is the resolution of the analog input on PCI-6255? Question 5: How many counters/timers are on the PCI-6255? |



