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

Page 200

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Index

Lab-PC+ User Manual

Index-4

© National Instruments Corporation

HWTRIG, 3-21, D-10, E-11, E-13, E-14
INTSCAN, D-14, E-17 to E-19
Lab-PC/PC+, D-7
LDAC0, D-9, E-20 to E-21
LDAC1, 3-23, D-9, E-20 to E-21
MA<2..0>, D-6
OVERFLOW, D-7, E-20. See also A/D

FIFO overflow condition.

OVERRUN, D-8, E-20. See also A/D FIFO

overrun condition.

PRETRIG, 3-21, D-10, E-11, E-12, E-14
SCANEN. See SCANEN bit.
SE/D, D-13
SWTRIG. See SWTRIG bit.
TBSEL, D-9, E-6
TCINTEN, D-11
TWOSCMP, D-6, E-4

board configuration

base I/O address selection, 2-3 to 2-5
DMA channel selection, 2-6 to 2-7
interrupt selection, 2-7 to 2-8
parts locator diagram, 2-2
PC bus interface, 2-1

factory settings (table), 2-3

bus interface specifications, A-6

C

cabling considerations, 3-28
calibration

analog input, 5-3 to 5-6

bipolar input procedure, 5-4 to 5-5
board configuration, 5-4
unipolar input procedure, 5-5 to 5-6
voltage values of ADC input (table), 5-4

analog output, 5-6 to 5-8

bipolar output procedure, 5-6 to 5-7
board configuration, 5-6
unipolar output procedure, 5-8

equipment requirements, 5-1
trimpots, 5-2

location diagram, 5-2

CCLKB1 signal (table), 3-3
channel scanning for multiple A/D

conversions, E-17

channel-scanning cycle, E-17
circuitry. See theory of operation.
circular buffer, E-11

CLK signal. See GATE, CLK, and

OUT signals.

CLKB2 signal (table), 3-3
CNTINT bit

data acquisition timing, 3-24
description, D-7
interrupt programming for analog output

circuitry, E-23

CNTINTEN bit

data acquisition timing, 3-23
description, D-11
interrupt programming for analog output

circuitry, E-23

Command Register 1

channel scanning, E-17
controlled acquisition mode, E-6

posttrigger mode, E-12
pretrigger mode, E-14

description, D-5 to D-6
freerun acquisition mode, E-9
selecting analog input channel, E-3
single-channel interval acquisition

mode, E-19

Command Register 2, D-9 to D-10
Command Register 3

description, D-11 to D-12
digital I/O circuitry programming, E-34

Command Register 4

description, D-13 to D-14
single-channel interval acquisition

mode, E-19

common-mode signal rejection

considerations, 3-12

configuration

analog input, 2-10 to 2-14

DIFF input (four channels), 2-11 to 2-12
input mode, 2-10 to 2-11
input polarity and range, 2-13 to 2-14
jumper settings (table), 2-9
NRSE input (eight channels), 2-13
RSE input (eight channels), 2-12

analog output, 2-9 to 2-10

bipolar output selection, 2-9
jumper settings (table), 2-9
unipolar output selection, 2-10

board

base I/O address selection, 2-3 to 2-5
DMA channel selection, 2-6 to 2-7
interrupt selection, 2-7 to 2-8