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Appendix a specifications, Specifications – National Instruments SCB-68 User Manual

Page 70

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© National Instruments Corporation

A-1

SCB-68 Shielded Connector Block User Manual

A

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