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NI USB-9472 User Guide and Specifications
16
ni.com
I/O protection
Voltage ............................................30 V max
Reversed voltage .............................None
Trip currents
Minimum possible
trip current ................................6 A
Minimum guaranteed
trip current ................................13 A
Trip time ..........................................10
μ
s at 13 A
Output delay time (full load) ..................100
μ
s max
Power Requirements
Current consumption from USB.............500 mA, max
Suspend mode..................................2.5 mA, max
Bus Interface
USB specification ...................................USB 2.0 Hi-Speed
Physical Characteristics
Dimensions
With combicon ................................14.0 cm
×
8.8 cm
×
2.5 cm
(5.52 in.
×
3.47 in.
×
1.00 in.)
With D-SUB ....................................12.6 cm
×
8.8 cm
×
2.5 cm
(4.95 in.
×
3.47 in.
×
1.00 in.)
Screw terminal wiring ............................12 to 24 AWG copper conductor
wire with 10 mm (0.39 in.) of
insulation stripped from the end
Torque for screw terminals.....................0.5–0.6 N · m (4.4–5.3 lb · in.)
Current
Channel State
Module State
0 to 1 A
Channel does not trip
Module is not damaged
1 to 6 A
Channel does not trip
Module may be damaged
6 to 13 A
Channel may trip
Module may be damaged
>13 A
Channel trips
Module is not damaged