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National Instruments Low-Cost Multifunction I/O Board for ISA Lab-PC+ User Manual

Page 210

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Index

Lab-PC+ User Manual

Index-14

© National Instruments Corporation

grounded signal sources (NRSE

configuration), 3-11 to 3-12

software programming choices

LabVIEW and LabWindows/CVI

software, 1-2

NI-DAQ driver software, 1-2 to 1-3
register-level programming, 1-3

specifications

analog input, A-1 to A-2

amplifier characteristics, A-2
dynamic characteristics, A-2
explanation, A-3
input characteristics, A-1
stability, A-2
transfer characteristics, A-1

analog output, A-4 to A-5

dynamic characteristics, A-4
explanation, A-4 to A-5
output characteristics, A-4
stability, A-4
transfer characteristics, A-4
voltage output, A-4

bus interface, A-6
digital I/O, A-5
environment, A-6
physical, A-6
power requirements, A-6
timing I/O, A-5 to A-6
triggers, A-6

Start Convert Register, D-19
Status Register

analog input circuitry programming, E-3
controlled data acquisition

programming, E-8

posttrigger mode, E-13
pretrigger mode, E-16

description, D-7 to D-8
freerun data acquisition programming, E-10

STB* signal

description, 3-16
Mode 1 input timing, 3-18
Mode 2 bidirectional timing, 3-20
Port C signal assignments (table), 3-16

switch settings. See jumper and switch

settings.

SWTRIG bit

controlled acquisition mode, E-7

posttrigger mode, E-12
pretrigger mode, E-16

description, D-10
freerun acquisition mode, E-10
multiple A/D conversions using EXTTRIG

signal, E-11

system noise, A-3

T

TBSEL bit

controlled acquisition mode, E-6
description, D-9

TCINTEN bit, D-11
technical support, F-1
theory of operation

analog input circuitry, 4-5

block diagram, 4-4

analog output circuitry, 4-9 to 4-10

block diagram, 4-9

block diagram, 4-1
data acquisition timing circuitry, 4-5 to 4-8

block diagram, 4-4
data acquisition rates, 4-7 to 4-8
multiple-channel (scanned) data

acquisition, 4-6 to 4-7

single-channel data acquisition, 4-6

digital I/O circuitry, 4-10 to 4-11

block diagram, 4-10

functional overview, 4-1 to 4-2
PC I/O channel interface circuitry, 4-2 to 4-4

block diagram, 4-3

timing I/O circuitry, 4-11 to 4-14

block diagram, 4-12
counter block diagram, 4-14
single-channel interval timing

(figure), 4-14

two-channel interval-scanning timing

(figure), 4-13

time-lapse measurement, 3-25 to 3-26
Timer Interrupt Clear Register, D-28
timing connections, 3-21 to 3-28

data acquisition timing

connections, 3-21 to 3-24

EXTCONV* signal timing (figure), 3-21
EXTUPDATE* signal timing

generating interrupts (figure), 3-24
updating DAC output (figure), 3-24

posttrigger timing (figure), 3-22
pretrigger timing (figure), 3-23