USB-DIO24/37 User's Guide
Specifications
Power
Table 4-4 . Power specifications
Parameter Conditions Specification
Supply current (Note 2)
20mA typ, 40 mA max
Connected to Self-Powered Hub
4.5 V min, 5.25 V max
+5V USB power available (Note 3)
Connected to Bus-Powered Hub
4.1 V min, 5.25 V max
Connected to Self-Powered Hub
460 mA max
Output current (Note 4)
Connected to Bus-Powered Hub
60 mA max
Note 2:
Note 3:
Note 4:
This is the total current requirement for the USB-DIO24/37 which includes up to 5 mA for
the status LED.
Self-powered refers to USB hubs and hosts with a power supply. Bus-powered refers to
USB hubs and hosts without their own power supply.
This refers to the total amount of current that can be sourced from the USB +5V and digital
outputs.
General
Table 4-5. General specifications
Parameter Conditions Specification
25 °C
±30 ppm max
USB controller clock error
0 to 70 °C
±50 ppm max
Device type
USB 1.1 low-speed
Device compatibility
USB 1.1, USB 2.0
Environmental
Table 4-6. Environmental specifications
Operating temperature range
0 to 70 °C
Storage temperature range
-40 to 85 °C
Humidity
0 to 90% non-condensing
Mechanical
Table 4-7. Mechanical specifications
Dimensions
119 mm (L) x 84 mm (W) x 14 mm(H)
USB cable length
3 meters max
USB cable type
A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND, min
28 AWG D+/D-)
User connection length
3 meters max
4-2
Содержание USB-DIO24/37
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