beautypg.com

National Instruments 6527 User Manual

Page 42

background image

Glossary

6527 User Manual

G-2

ni.com

C

C

Celsius

CAT I

installation category (overvoltage category) I—equipment for which
measures are taken to limit transient overvoltages to an appropriate low
level. Examples include signal-level, telecommunications, and electronic
equipment with transient overvoltages smaller than local-level mains
supplies.

cm

centimeters

CompactPCI

refers to the core specification defined by the PCI Industrial Computer
Manufacturer’s Group (PICMG)

D

DAQ

data acquisition—a system that uses the personal computer to collect,
measure, and generate electrical signals

DC

direct current

DIG+

positive data terminal

DIG–

negative data terminal

G

GND

ground reference

H

Hz

hertz