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Chapter 2 Hardware Overview of the NI 78xxR
© National Instruments Corporation 2-3 R Series Intelligent DAQ User Manual
Figure 2-3. NI 7831R/7833R/784xR/785xR Block Diagram
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.
+
AI+
AI–
PCI/PXI/CompactPCI Bus
Input Mux
Instrumentation
Amplifier
Input Mode Mux
AISENSE
AIGND
16-Bit
DAC
x8 Channels
2
x8 Channels
Configuration
Flash
Memory
User-
Configurable
FPGA on RIO
Devices
Bus
Interface
Connector 1 (DIO)Connector 2 (DIO)
Data/Address/
Control
Digital I/O (16)
Digital I/O (40)
Digital I/O (40)
Calibration
DACs
Configuration
Control
Connector 0 (MIO)
Calibration
DACs
Voltage
Reference
–
16-Bit
ADC
Temperature
Sensor
Calibration
Mux
RTSI/PXI Triggers
RTSI Bus
Address/Data
Control
PXI Local Bus (NI PXI-783xR only)