USB-AIO10 User’s Manual (Rev 1.1)
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4-
http://www.daqsystem.com
1.
Introduction
USB-AIO10 is the function board to support Analog Input·Output, Digital Input·Output, USB 2.0
High Speed, RS-232 communication interface.
It supports the voltage, current Input/Output mode for Analog signals, shield the Digital Interface.
Basically, the board operation can use 5VDC external power, and optionally you can use USB
power.
1.1 Function
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4-Ch 16-Bit Analog Input
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4-Ch 16-Bit Analog Output
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Support Analog Voltage/Current Mode
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Isolated 24-Bit Digital Input/Output
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USB 2.0 High Speed Interface
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RS-232 Interface
1.2 Internal Block Diagram
FPGA
ADC
DAC
Analog IN
4-Channel
AIN
Signal
Condition
USB
Controller
AOUT
Signal
Converter
Analog OUT
4-Channel
USB Interface
DOUT
Isolator
DIN
Isolator
Digital IN
24-Channel
Digital OUT
24-Channel
Serial
Transceiver
RS-232
1-Channel
[Figure 1-1. Internal Block Diagram]
