Measurement Computing USB-2416-4AO - Manual (Page 40)

USB-2416-4AO User's Guide Specifications
40
Power
The USB-2416-4AO product includes an AC power adapter (MCC part number PS-5V2AEPS).
Table 30. Power specifications
Parameter Conditions Specification
Supply current (Note 8) Quiescent current 340 mA
External power input (Note 9) +5 V, ±5%
External power supply MCC p/n PS-5V2AEPS (included) +5 VDC, 10 W, 5%
regulation
Voltage supervisor limits 4.5 V > V
ext
or V
ext
> 5.5 V PWR LED = Off;
(power fault)
4.5 V < V
ext
< 5.5 V PWR LED = On
+5 V user output voltage range Available at terminal block pin 35 4.9 V minimum to
5.1 V maximum
User +5V user output current Available at terminal block pin 35 10 mA maximum
Isolation Measurement system to PC 500 VDC minimum
Table 31. AC power requirements
Parameter Conditions Specification
Output voltage +5 V, ±5%
Output wattage 10 watts
Power jack configuration Two conductor
Power jack barrel diameter 6.3 mm
Power jack pin diameter 2.0 mm
Power jack polarity Center positive
Note 8: This is the total quiescent current requirement for the USB-2416-4AO which includes up to 10 mA for the
status LED. This does not include any potential loading of the digital I/O bits, +5V user terminal or the
VDACx outputs
Note 9: This specification applies to the actual voltage level at the input to the external power connector of the
USB-2416-4AO.
USB specifications
Table 32. USB specifications
USB device type USB 2.0 (full-speed)
Device compatibility USB 1.1, USB 2.0
USB cable type A-B cable, UL type AWM 2527 or equivalent. (minimum 24 AWG VBUS/GND,
minimum 28 AWG D+/D–)
USB cable length 5 meters maximum
Environmental
The environmental specifications listed in Table 33 apply only to the USB-2416-4AO and not to the AC power
adapter.
Table 33. Environmental specifications
Operating temperature range 0 to 50° C maximum
Storage temperature range -40 to 85 ° C maximum
Humidity 0 to 90% non-condensing maximum