Hardware Overview Of The Ni Pxi-7831R - National Instruments NI PXI-7831R User Manual

Hardware Overview
of the NI PXI-7831R
AI+
AI–
Input Mode Mux
AISENSE
AIGND
Calibration
Mux
© National Instruments Corporation
This chapter presents an overview of the hardware functions and
I/O connectors on the NI PXI-7831R.
Figure 2-1 shows a block diagram for the NI PXI-7831R, and Figure 2-2
shows the parts locator diagrams for the NI PXI-7831R.
Calibration
DACs
Input Mux
+
Instrumentation
Amplifier
–
x8 Channels
Temperature
Voltage
Sensor
Reference
2
Calibration
DACs
16-Bit
DAC
x8 Channels
Digital I/O (16)
Digital I/O (40)
Digital I/O (40)
Figure 2-1. NI PXI-7831R Block Diagram
Configuration
Control
16-Bit
ADC
User-
Configurable
Data/
FPGA Address
Control
on RIO
Devices
2-1
2
Flash
Memory
Bus Control
/
Interface
Address/Data
PXI Local Bus
RTSI Bus
NI PXI-7831R User Manual