National Instruments R Series User Manual page 6
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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Also See for R Series:
- User manual (72 pages) ,
- Getting started manual (12 pages) ,
- Getting started manual (12 pages)
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Figure 4. Connecting Grounded Differential Signals to the NI PXIe-7865
+
V
1
–
+
V
cm
–
To connect floating differential signals to the NI PXIe-7865, you must connect the negative
and positive signals to AI GND through 1 MΩ resistors to keep the voltage within the
common-mode voltage range. If the voltage source is outside the common-mode voltage
range, the NI PXIe-7865 does not read data accurately.
Figure 5. Connecting Floating Differential Signals to the NI PXIe-7865
+
V
1
–
Analog Output
The NI PXIe-7865 provides connections for 24 analog output channels. Each channel has an
AO pin and AOGND pin to which you can connect a load.
6 | ni.com | NI PXIe-7865 User Manual
AI+
AI–
AISENSE
AIGND
Connection
Accessory
AI+
AI–
AISENSE
AIGND
Connection
Accessory
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
PGIA
ADC
NI PXIe-7865
PGIA
ADC
NI PXIe-7865
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