National Instruments R Series User Manual page 5
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) ,
- User manual (10 pages)
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Figure 2. Connecting Referenced Single-Ended Signals to the NI PXIe-7865
+
V
1
–
To connect non-referenced single-ended voltage signals to the NI PXIe-7865, you must
connect the voltage ground signal to AI SENSE in order to keep the common-mode voltage in
the specified range.
Figure 3. Connecting Non-Referenced Single-Ended Signals to the NI PXIe-7865
+
V
1
–
+
V
cm
–
Connecting Differential Voltage Signals
You can connect grounded or floating differential signal sources to the NI PXIe-7865. Connect
the positive voltage signal to the 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.
AI+
AI–
AISENSE
AIGND
Connection
Accessory
AI+
AI–
AISENSE
AIGND
Connection
Accessory
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
Overvoltage
Protection
NI PXIe-7865 User Manual | © National Instruments | 5
PGIA
ADC
NI PXIe-7865
PGIA
ADC
NI PXIe-7865
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