National Instruments R Series User Manual
Reconfigurable i/o module for pxi express, 2 ai, 24 ao, 32 ttl-compatible dio, 1 ms/s aio, 512 mb dram, kintex-7 160t fpga
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USER MANUAL
NI PXIe-7865
R Series Reconfigurable I/O Module (AI, AO, TTL-compatible DIO) for
PXI Express, 2 AI, 24 AO, 32 TTL-compatible DIO, 1 MS/s AIO,
512 MB DRAM, Kintex-7 160T FPGA
This document provides compliance, pinout, connectivity, mounting, and power information
for the NI PXIe-7865.
Hardware Overview
The following high-level block diagram represents the NI PXIe-7865.
Overvoltage
Protection
(x8)
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
Figure 1. NI PXIe-7865 Block Diagram
AI (x2)
ADC
INA
+5 V
Reference
AO (x24)
DAC
DIO (x32)
Bus
Switch
Device
Temperature
(x16)
100 MHz
DDR3 RAM
AI
AO
Kintex-7
FPGA
Address/
Control
DIO
Flash
OSC
Memory
Data/
NI ASIC
NI PXIe-7865
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Summary of Contents for National Instruments R Series
- Page 1 USER MANUAL NI PXIe-7865 R Series Reconfigurable I/O Module (AI, AO, TTL-compatible DIO) for PXI Express, 2 AI, 24 AO, 32 TTL-compatible DIO, 1 MS/s AIO, 512 MB DRAM, Kintex-7 160T FPGA This document provides compliance, pinout, connectivity, mounting, and power information for the NI PXIe-7865.
- Page 2 Pinout AI0+ 68 34 AI0– AOCH16 68 34 AOGND16 68 34 AIGND0 67 33 AIGND1 67 33 EXTCLKIN 67 33 AI1+ 66 32 AI1– AOCH17 66 32 AOGND17 66 32 65 31 AOCH18 65 31 AOGND18 DIO0 65 31 DIO1 64 30 64 30 64 30...
- Page 3 NI PXIe-7865. Refer to the NI 78xxR Pinout Labels for the SCB-68A, available ni.com/manuals for the compatible pinout labels. Connecting the NI PXIe-7865 NI recommends using the following cables and accessories with the NI PXIe-7865: NI PXIe-7865 User Manual | © National Instruments | 3...
- Page 4 Speed Digital Cable for the Reconfigurable DIO Connector, 2 m (156166-02) Note The SCB-68A DIP switches must be set for Direct Feedthrough mode for use with R Series devices. Visit ni.com/info and enter the Info Code scb68acables more information on the SCB-68A accessory.
- Page 5 AI+ and the negative voltage signal to AI-. To connect grounded differential signals to the NI PXIe-7865, you must also connect the signal reference to AI GND. NI PXIe-7865 User Manual | © National Instruments | 5...
- Page 6 Figure 4. Connecting Grounded Differential Signals to the NI PXIe-7865 Overvoltage Protection PGIA – AI– Overvoltage Protection – AISENSE Overvoltage Protection AIGND Connection Accessory NI PXIe-7865 To connect floating differential signals to the NI PXIe-7865, you must connect the negative and positive signals to AI GND through 1 MΩ...
- Page 7 When the system powers on, the DIO channels are set as input low with pull-down resistors. To set another power-on state, you can configure the NI PXIe-7865 to load a VI when the NI PXIe-7865 User Manual | © National Instruments | 7...
- Page 8 system powers on. The VI can then set the DIO lines to any power-on state. Visit ni.com/info and enter to learn more about configuring the power-up states RSeries_PowerUpStates for the NI PXIe-7865. All the high-speed DIO channels on Connector 1 are routed with a 50 Ω characteristic trace impedance.
- Page 9 National Instruments is not liable for damage resulting from such a connection. The power rating is 4.75 to 5.1 V DC at 0.5 A. Worldwide Support and Services The NI website is your complete resource for technical support. At ni.com/support, you have access to everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers.
- Page 10 NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering NI products/technology, refer to the appropriate location: Help»Patents in your software, the file on your media, or the National Instruments Patent Notice at . You can find patents.txt ni.com/patents...