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OMB-DAQ-2416-4AO User's Guide Specifications
43
Power
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
OMB-DAQ-2416-ADAP (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 OMB-DAQ-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
OMB-DAQ-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 OMB-DAQ-2416-4AO and not to the
external power supply.
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
Mechanical
Table 34. Mechanical specifications
Dimensions
245 mm (L) x 146 mm (W) x 50 mm (H)
User connection length
5 meters maximum