Manual USB-DIO-48
16
Chapter 7: Specifications
Digital Inputs (TTL Compatible)
•
Logic High:
2.0 VDC min, 5.5 VDC max
•
Logic Low:
0.8 VDC max, -0.5 VDC min
• Bias
Resistors:
10K
Ω
Digital Outputs
•
Logic High:
2.0 VDC min., source 32 mA
•
Logic Low:
0.55 VDC max., sink 64 mA
Bus Type
•
USB2.0 high-speed (480 Mb/s)
Power
•
Basic 48 bit unit: <300 mA typical (no load)
•
+5 VDC from the USB bus or external power supply depending on user configuration.
The USB bus is specified to provide 500 mA to most desktop environments. This
gives you 182 mA available (500 mA - 300mA = 200 mA). If using more than a total
of 500mA, use optional Regulated 5 VDC external power supply and
remove
VUSB
jumper and place jumper on VEXT. Then plug in external power before plugging into
USB port.
•
+5V with 0.5A resettable fuse for each connector
Environmental
•
Operating Temperature:
0 °C. to 70 °C.
•
Storage Temperature:
-40 °C. to +85 °C.
•
Humidity:
0 to 90% RH, non-condensing.
•
Board Dimension:
3.550 x 3.775 inches.
•
Box Dimension:
4.00 x 4.00" x 1.25 inches.
