Index
© National Instruments Corporation Index-9 Lab-PC+ User Manual
differential connection
considerations, 3-6 to 3-9
floating signal sources, 3-8 to 3-9
ground-referenced signal sources,
3-7 to 3-8
recommended configurations for
ground-referenced and floating signal
sources (table), 3-6
single-ended connection considerations,
3-10 to 3-12
floating signal sources (RSE
configuration), 3-10 to 3-11
grounded signal sources (NRSE
configuration), 3-11 to 3-12
input modes, 2-10 to 2-11
DIFF input (four channels), 2-11 to 2-12
NRSE input (eight channels), 2-13
RSE input (eight channels), 2-12
input multiplexers, 4-5
installation. See also configuration.
hardware, 2-15
unpacking the Lab-PC+, 1-4
instrumentation amplifier, 3-5
INTE1 status word, Port C, E-32
INTE2 status word, Port C, E-32
INTEA status word, Port C
Mode 1 input, E-28
Mode 1 output, E-30
INTEB status word, Port C
Mode 1 input, E-28
Mode 1 output, E-30
integral nonlinearity, A-3
interrupt programming
A/D interrupt programming, E-19 to E-20
analog output circuitry, E-22 to E-23
digital I/O circuitry, E-34
interrupt selection, 2-7 to 2-8
factory settings (table), 2-3
jumper settings
disabling interrupts (figure), 2-8
factory setting of IRQ5 (figure), 2-7
interrupts
control circuitry, 4-3
generating with EXTUPDATE* signal
(figure), 3-24
types of interrupts, 4-3 to 4-4
Interval Counter Register Group,
D-38 to D-40
Interval Counter Data Register
description, D-39
single-channel interval acquisition
mode, E-19
Interval Counter Strobe Register, D-40
overview, D-38
register map (table), D-2
interval scanning, for multiple A/D
conversions, E-17 to E-18
INTR signal
description, 3-17
Mode 1 input timing, 3-18
Mode 1 output timing, 3-19
Mode 2 bidirectional timing, 3-20
Port C signal assignments (table), 3-16
INTRA status word, Port C
Mode 1 input, E-28
Mode 1 output, E-30
Mode 2 operation, E-32
INTRB status word, Port C
Mode 1 input, E-28
Mode 1 output, E-30
INTSCAN bit
description, D-14
multiple A/D conversions
interval scanning, E-17 to E-18
single-channel interval acquisition mode,
E-18 to E-19
I/O connector
exceeding maximum ratings (warning), 3-1
pin assignments (figure), 3-2
signal connection descriptions (table), 3-3
I/O status word, Port C
Mode 1 input, E-28
Mode 1 output, E-30
Mode 2 operation, E-32
J
jumper and switch settings
analog I/O (table), 2-9
base I/O address selection, 2-3 to 2-4
example switch settings (figure), 2-4
possible settings with corresponding base
I/O address and base address I/O
space (table), 2-5
bipolar output (figure), 2-9
DIFF input, 2-11 to 2-12
DMA channel