Power Requirement; Maximum Working Voltage - National Instruments SCC-CI20 User Manual

Current input module

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Power Requirement

Physical

Environmental

Analog power ......................................... 100 mW max

+15 V .............................................. 3.2 mA max

–15 V............................................... 3.2 mA max

Digital power (+5 V).............................. 0.0 mW

Operating voltage range

+15 V .............................................. ±10%

–15 V............................................... ±10%

Dimensions............................................. 8.89 cm × 2.92 cm × 1.85 cm

I/O connectors ........................................ One 20-pin right-angle

Wire gauge range ................................... 28 to 16 AWG

Maximum working voltage refers to the signal voltage (I × 249 Ω) plus the

common-mode voltage.

Channel-to-earth..................................... ±15 V, Installation Category I

Channel-to-channel ................................ ±15 V, Installation Category I

Operating temperature............................ 0 to 50 °C

Storage temperature ............................... –20 to 70 °C

Humidity ................................................ 10 to 90% RH, noncondensing

Maximum altitude .................................. 2,000 m

Pollution Degree (indoor use only) ........ 2

(3.50 in. × 1.15 in. × 0.73 in.)

male connector,

one 4-pin screw terminal

SCC-CI20 Current Input Module User Guide

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