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July 2025
PCI-6255 Request for Availability
PCI-6255, 80 Analog Input, 2 Analog Output, Multifunction I/O Device
Rated 4.53/5 | 14 ratings
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments PCI-6255 Multifunction DAQ
The PCI-6255 (Part Number: 779546-01) is a Multifunction DAQ designed by National Instruments. This device offers several features for computer-based systems in a single device. The PCI-6255 can fulfill many basic measurement requirements. This software is used for basic measurement and analysis functions. The supported driver for the device is NI-DAQmx, which enables the device to design customized automated control application.
The analog input of the PCI-6255 Multifunction DAQ includes 40 differential (or 80 single-ended) channels. The input terminal is 16-bit resolution. The CMRR of the device is 100 dB. The maximum rate of sampling depends on the mode of input channels used. The single-channel mode has a rate up to 1.25 MS per second. For multichannel mode, the sampling rate is up to 750 kS/s. The NI PCI-6255 has an input voltage range of ±0.1 V to +10 V. The bias current of the input is ±100 pA. The M Series DAQ has two 16-bit output analog channels, with a sampling rate of up to 2.86 MS/s. The impedance of the output channel is 0.2 Ω. The analog channels of this device are DC-coupled. 2 counters/timers–with a frequency of 80 MHz and a 32-bit resolution–are also installed in the device. The module also has 24 digital I/O channels which are individually programmable. The digital channels have voltage protection of +20 V. The device is equipped with 2 68-pin VHDCI I/O connectors, and it has power requirements of 0.03 A at +5 V, 0,725 A at +3.3 V, and 0.35 A at +12 V.
The PCI-6255 is suitable for various applications, such as research and industry applications. It is used in lab automation and manufacturing tests. This device is also used to verify and test new designs. The module supports SCC/SCXI signal conditioning modules, and engineers can add sensor reading options.
The NI device weighs 5.8 oz, and measures 4.2 x 6.1 in. in physical dimensions. It has a recommended operating temperature range of 0 ºC to 55 ºC, a storage temperature range of -20 ºC to 70 ºC.
The PCI-6255 has been declared Obsolete by National Instruments, but Apex Waves will keep the Multifunction DAQ available in perpetuity for both purchase and repairs!
| Model | PCI-6255 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 779546-01 |
| Series | M Series |
| Type | Multifunction DAQ |
| Analog Input Channels | 80 Single Ended or 40 Differential Channels |
| Resolution | 16 Bits |
| Single-Channel Mode Sample Rate | 1.25 MS/s |
| Analog Output Channels | 2 |
| Analog Output Sample Rate | 2.86 MS/s |
| Digital Input/Output | 24 |
| Timing I/O | Two Counter/Timer I/O |
| Timing I/O Resolution | 32 Bits |
| I/O Connector | Two 68-Pin VHDCI Connectors |
| Power Requirements | +5 V, +3.3 V, +12 V -- 0.03 A, 0.725 A, 0.35 A |
| Dimensions | 4.2 × 6.1 in. (10.6 cm × 15.5 cm) |
| Weight | 5.8 oz (164 g) |
| Driver Software | NI-DAQmx, NI-DAQmx Base |
| Warranty | Three Year Warranty |
| PCI-6255 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Request a Quote for Pricing Info |
Associated part numbers for PCI-6255:
National Instruments PCI-6255 Frequently Asked Questions
Question: Why does the PCI-6255 require different cables for Connector 0 and Connector 1?
Answer: The Multifunction DAQ requires the SCH68-68-EPM for Connector 0 and SHC68-68 for Connector 1.
Question: How long is the calibration interval for the PCI-6255?
Answer: The calibration interval is 2 years.
Question: Why is the maximum sampling rate stated as 1.25 MS/s and 750 kS/s in the datasheet?
Answer: The maximum sampling rate for the PCI-6255 is1.25 MS/s for a single channel and 750 kS/s for multiple channels.
Question: Is the DAQmx API for the NI PCI-6255 capable of controlling more than one DAQ device at a time?
Answer: Yes, the DAQmx API can control more than one DAQ device at a time, but it will be synchronized on a software basis by default.
PCI-6255 PDF Manuals
DAQ-GETTING-STARTED-GUIDE-FOR-PCI-PCI-EXPRESS.PDF
DAQ-GETTING-STARTED-READ-ME-FIRST-NI-DAQMX-AND-DAQ-DEVICE-INSTALLATION-GUIDE.PDF
NI-6255-DEVICE-SPECIFICATIONS.PDF
NI-62XX-63XX-PINOUT-LABELS-FOR-THE-SCB-68-NOTE-TO-USERS.PDF
NI-62XX-63XX-PINOUT-LABELS-FOR-THE-SCB-68A-NOTE-TO-USERS.PDF
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