National Instruments NI 6120 用户手册

© National Instruments Corporation

I-1

NI 6115/6120 User Manual

Index

Numerics

+5 V signal

description (table), 4-3
incorrect connections (caution), 4-15
self-resetting fuse, 4-18, B -2

A

above-high-level analog triggering mode, 3-7
AC input coupling, 3-4
ACH<0..3>– signal

analog input signal connections, 4-8
description (table), 4-3
signal summary (table), 4-5

ACH<0..3>+ signal

analog input signal connections, 4-8
description (table), 4-3
signal summary (table), 4-5

ACH<0..3>GND signal (table), 4-3
AIGATE signal

gating DAQ sequences, 4-25, 4-27
overview, 4-27
RTSI bus signal connections (figure), 3-13

analog input

input coupling, 3-4
input mode, 3-2
input polarity and range, 3-3
questions about, B-3
selection considerations, 3-4

analog input signal connections

common-mode signal rejection, 4-12
floating signal sources, 4-11
ground-referenced signal sources, 4-9
nonreferenced signal sources, 4-11
pseudodifferential connections

definition, 4-8
ground referenced signals (figure), 4-9

analog input specifications

DC transfer characteristics, A-2
dynamic characteristics, A-4
input characteristics, A-1
stability, A-11

analog output

overview, 3-5
questions about, B-3
signal connections, 4-14

analog output specifications

DC transfer characteristics, A-12
dynamic characteristics, A-14
output characteristics, A-12
stability, A-14
voltage output, A-13

analog trigger

above-high-level analog triggering mode

avoiding false triggering (note), 3-6
below-low-level analog triggering mode

block diagram, 3-6
high-hysteresis analog triggering mode

highValue, 3-5, 3 -6, 3-7 , 3-8
inside-region analog triggering mode

low-hysteresis analog triggering mode

lowValue, 3-5, 3-6, 3-7 , 3 -8
overview, 3-5
specifications, A-16

antialiasing filters

description, 3-8
effects of hardware and software filtering