Caution
To ensure the specified EMC performance, you must install the included
snap-on ferrite bead onto the DC power cord of the power supply as described in the
getting started guide.
Hardware Overview
The following high-level block diagram represents the NI USB-7846R.
Figure 1. NI USB-7846R Block Diagram
Device
Temperature
Overvoltage
Protection
Overvoltage
Protection
FPGA
Temperature
40 MHz
OSC
AO (x8)
USB
NI ASIC
Kintex-7
FPGA
NI USB-7846R
Flash
Memory
DIO
+5 V
Reference
DAC
AO
ADC
AI
CONNECT
OR 0
(DIO)
CONNECT
OR 1
(MIO)
Data/
Address/
Control
AI (x8)
INA
DIO (x16)
DIO (x32)
Overvoltage
Protection
Overvoltage
Protection
Connecting the NI USB-7846R
The NI USB-7846R provides connections for eight analog input (AI) channels, eight analog
output (AO) channels, and forty-eight digital input/output (DIO) channels, as shown in Figure
2.
2
|
ni.com
|
NI USB-7846R User Manual
