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Input Mux
AI+
AI–
Input Mode Mux
AISENSE
AIGND
Calibration
Mux
Digital I/O (16)
Digital I/O (40)
Digital I/O (40)
NI 7811R Overview
The NI 7811R has 160 bidirectional DIO lines and a Virtex-II XC2V1000
FPGA.
NI 7813R Overview
The NI 7813R has 160 bidirectional DIO lines and a Virtex-II XC2V3000
FPGA.
NI 7830R Overview
The NI 7830R has four independent, 16-bit AI channels; four independent,
16-bit AO channels; 56 bidirectional DIO lines that you can configure
individually for input or output; and a Virtex-II XC2V1000 FPGA.
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Calibration
DACs
+
16-Bit
Instrumentation
ADC
Amplifier
–
x8 Channels
User-
Voltage
Temperature
Reference
Sensor
Configurable
FPGA on RIO
Devices
2
Calibration
DACs
16-Bit
DAC
x8 Channels
Figure 2-3. NI 7831R/7833R/784xR/785xR Block Diagram
2-3
Chapter 2
Hardware Overview of the NI 78xxR
Configuration
Flash
Control
Memory
Control
Bus
Data/Address/
Interface
Control
Address/Data
PXI Local Bus (NI PXI-783xR only)
RTSI Bus
R Series Multifunction RIO User Manual
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