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PXI-7841, 200 kS/s, PXI Multifunction Reconfigurable I/O Module
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National Instruments PXI-7841 Multifunction Reconfigurable I/O Module
The PXI-7841 (Part Number: 780337-01) is a Multifunction Reconfigurable I/O Module developed by National Instruments. This device is equipped with a Virtex-5 LX30 FPGA, which enhances the system’s performance and flexibility. The PXI-7841 provides 8 analog input channels and 8 analog output channels, each with 16-bit resolution. The maximum sampling rate for analog inputs is 200 kS/s per channel, while the analog outputs can update at 1 MS/s per channel.
The device supports three software-selectable input modes: Differential (DIFF), Referenced Single-Ended (RSE), and Non-Referenced Single-Ended (NRSE). The input impedance is 10 GΩ in parallel with 100 pF when powered on. The PXI-7841 has a conversion time of 4 μs and operates with DC coupling. The maximum working voltage is ±10 V, and inputs should remain within ±12 V of ground.
The bandwidth of the PXI-7841 is 1 MHz for small signals and 500 kHz for large signals. The module includes 96 digital I/O lines and three 68-pin female VHDCI connectors for high-density interfacing. It also features a maximum channel-to-channel working voltage of ±24 V, adhering to Measurement Category I safety standards.
The PXI-7841 meets EMC standards for laboratory use, control, and measurement applications. Additionally, this module is designed for indoor use only and can be easily cleaned with a soft, non-metallic brush. The PXI-7841 has reached Mature Status, as announced by National Instruments, but it remains available for purchase and repair services through Apex Waves.
| Model | PXI-7841 |
|---|---|
| Manufacturer | National Instruments |
| Series | R Series |
| Part Number | 780337-01 |
| Type | PXI Multifunction Reconfigurable I/O Module |
| FPGA Type | Virtex-5 LX30 |
| Analog Inputs | 8 (16 Bits, 200 kS/s) |
| Analog Outputs | 8 (16 Bits, 1 MS/s) |
| Number of Flip-flops | 19,200 |
| Number of 25 × 18 Multipliers | 32 |
| Embedded Block RAM | 1,152 kbits |
| Digital I/O | 96 |
| Number of DMA Channels | 3 |
| Timebase | 40, 80, 120, 160, or 200 MHz |
| I/O Connectors | 3 68-pin Female High-Density VHDCI |
| Power Requirements | +3.3 VDC, +5 VDC, 12 VDC, –12 V - 525 mA, 125 mA, 0.5 A, 0.25 A |
| Dimensions | 6.3 in. by 3.9 in. |
| Weight | 0.34 lb. |
| Software Driver | NI-RIO |
| Overvoltage Protection | ±42 V (Powered On), ±35 V (Powered Off) |
| Settling Time (Full-Scale Step, ±10V Range) | 2.1 μs (±16 LSB), 4.2 μs (±4 LSB), 8 μs (±2 LSB) |
| Power-On State | User Configurable |
Associated part numbers for the PXI-7841:
198219A-04L, 198219B-04L, 198219C-04L, 198219D-04L, 198219E-04L, 780337-01
National Instruments PXI-7841 Frequently Asked Questions
Question: How can you customize the PXI-7841?
Answer: To customize the PXI-7841, you need the LabVIEW FPGA Module.
Question: Does the PXI 7841 have a dedicated A/D converter?
Answer: The PXI-7841 does not have a dedicated A/D converter per channel. Instead, it uses a shared 16-bit Successive Approximation (SAR) ADC with a maximum sampling rate of 200 kS/s per channel.
Question: Is the NI PXI-7841 capable of multi-rate sampling?
Answer: The NI PXI-7841 does not support true multi-rate sampling. All analog input channels share a common sampling clock and cannot operate at different sample rates.
PXI-7841 PDF Manuals
GETTING STARTED WITH R SERIES MULTIFUNCTION RIO.PDF
NI 78XXR PINOUT LABELS FOR THE SCB 68 NOTE TO USERS.PDF
NI 78XXR PINOUT LABELS FOR THE SCB 68A NOTE TO USERS.PDF
NI R SERIES CALIBRATION PROCEDURE.PDF
NI R SERIES INTELLIGENT DAQ USER MANUAL.PDF
NI R SERIES MULTIFUNCTION RIO SPECIFICATIONS.PDF
NI R SERIES MULTIFUNCTION RIO USER MANUAL.PDF
PXI-7841R 42R 51R 52R LETTER OF VOLATILITY.PDF
PXI-7841 Diagrams
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PXI-7841
Modular Systems > National Instruments > R Series
PXI-7841, 200 kS/s, PXI Multifunction Reconfigurable I/O Module
1-800-915-6216
- Description
- Technical Specifications
- FAQ
- Manuals & PDFs
National Instruments PXI-7841 Multifunction Reconfigurable I/O Module
The PXI-7841 (Part Number: 780337-01) is a Multifunction Reconfigurable I/O Module developed by National Instruments. This device is equipped with a Virtex-5 LX30 FPGA, which enhances the system’s performance and flexibility. The PXI-7841 provides 8 analog input channels and 8 analog output channels, each with 16-bit resolution. The maximum sampling rate for analog inputs is 200 kS/s per channel, while the analog outputs can update at 1 MS/s per channel.
The device supports three software-selectable input modes: Differential (DIFF), Referenced Single-Ended (RSE), and Non-Referenced Single-Ended (NRSE). The input impedance is 10 GΩ in parallel with 100 pF when powered on. The PXI-7841 has a conversion time of 4 μs and operates with DC coupling. The maximum working voltage is ±10 V, and inputs should remain within ±12 V of ground.
The bandwidth of the PXI-7841 is 1 MHz for small signals and 500 kHz for large signals. The module includes 96 digital I/O lines and three 68-pin female VHDCI connectors for high-density interfacing. It also features a maximum channel-to-channel working voltage of ±24 V, adhering to Measurement Category I safety standards.
The PXI-7841 meets EMC standards for laboratory use, control, and measurement applications. Additionally, this module is designed for indoor use only and can be easily cleaned with a soft, non-metallic brush. The PXI-7841 has reached Mature Status, as announced by National Instruments, but it remains available for purchase and repair services through Apex Waves.
| Model | PXI-7841 |
|---|---|
| Manufacturer | National Instruments |
| Series | R Series |
| Part Number | 780337-01 |
| Type | PXI Multifunction Reconfigurable I/O Module |
| FPGA Type | Virtex-5 LX30 |
| Analog Inputs | 8 (16 Bits, 200 kS/s) |
| Analog Outputs | 8 (16 Bits, 1 MS/s) |
| Number of Flip-flops | 19,200 |
| Number of 25 × 18 Multipliers | 32 |
| Embedded Block RAM | 1,152 kbits |
| Digital I/O | 96 |
| Number of DMA Channels | 3 |
| Timebase | 40, 80, 120, 160, or 200 MHz |
| I/O Connectors | 3 68-pin Female High-Density VHDCI |
| Power Requirements | +3.3 VDC, +5 VDC, 12 VDC, –12 V - 525 mA, 125 mA, 0.5 A, 0.25 A |
| Dimensions | 6.3 in. by 3.9 in. |
| Weight | 0.34 lb. |
| Software Driver | NI-RIO |
| Overvoltage Protection | ±42 V (Powered On), ±35 V (Powered Off) |
| Settling Time (Full-Scale Step, ±10V Range) | 2.1 μs (±16 LSB), 4.2 μs (±4 LSB), 8 μs (±2 LSB) |
| Power-On State | User Configurable |
National Instruments PXI-7841 Frequently Asked Questions
Question: How can you customize the PXI-7841?
Answer: To customize the PXI-7841, you need the LabVIEW FPGA Module.
Question: Does the PXI 7841 have a dedicated A/D converter?
Answer: The PXI-7841 does not have a dedicated A/D converter per channel. Instead, it uses a shared 16-bit Successive Approximation (SAR) ADC with a maximum sampling rate of 200 kS/s per channel.
Question: Is the NI PXI-7841 capable of multi-rate sampling?
Answer: The NI PXI-7841 does not support true multi-rate sampling. All analog input channels share a common sampling clock and cannot operate at different sample rates.
PXI-7841 PDF Manuals & Diagrams
PXI-7841 PDF Manuals
GETTING STARTED WITH R SERIES MULTIFUNCTION RIO.PDF
NI 78XXR PINOUT LABELS FOR THE SCB 68 NOTE TO USERS.PDF
NI 78XXR PINOUT LABELS FOR THE SCB 68A NOTE TO USERS.PDF
NI R SERIES CALIBRATION PROCEDURE.PDF
NI R SERIES INTELLIGENT DAQ USER MANUAL.PDF
NI R SERIES MULTIFUNCTION RIO SPECIFICATIONS.PDF
NI R SERIES MULTIFUNCTION RIO USER MANUAL.PDF
PXI-7841R 42R 51R 52R LETTER OF VOLATILITY.PDF
PXI-7841 Diagrams
Why Buy From Apex Waves
"The business transaction was super easy and friendly."
"Hand carrying parts to fedex directly to make sure I get them overnight. Great service"
"They were very helpful to get me the test equipment that I need."
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