National Instruments SCB-68 User Manual download pdf (Page 70)

Specifications

This appendix lists the SCB-68 specifications. These ratings are typical at

25 °C unless otherwise stated.

Analog Input

Number of channels

68-pin DAQ devices ....................... Eight differential,

16 single-ended

100-pin DAQ devices ..................... 32 differential,

64 single-ended

Temperature sensor

Accuracy ......................................... ±1.0 °C over a 0 to 110 °C range

Output ............................................. 10 mV/°C

Power Requirement

Power consumption (at +5 VDC, ±5%)

Typical ............................................ 1 mA with no signal

conditioning installed

Maximum........................................ 800 mA from host computer

Note The power specifications pertain to the power supply of the host computer when

using internal power or to the external supply connected at the +5 V screw terminal when

using external power. The maximum power consumption of the SCB-68 is a function

of the signal conditioning components installed and any circuits constructed on the

general-purpose breadboard area. If the SCB-68 is powered from the host computer,

the maximum +5 V current draw, which is limited by the fuse, is 800 mA.

Fuse

Manufacturer.......................................... Littelfuse

Part number ............................................ 235 800

Ampere rating ........................................ 0.800 A

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National Instruments SCB-68 User Manual Page 70