National Instruments SCXI-1120 User Manual

Page 127

Index

© National Instruments Corporation

Index-6

SCXI-1120 User Manual

reference-mode selection (jumper W46),

2-7

registers

programming considerations, 5-1 to 5-3

initialization, 5-3
rear signal connector pin

equivalences, 5-2

procedure, 5-2 to 5-3

SCXI-1120 registers, 4-1 to 4-4

Configuration Register, 2-30 to 2-31,

3-7, 4-3 to 4-4

Module ID Register, 2-31, 3-8, 4-2

Slot 0 registers, 4-5 to 4-8

FIFO Register, 4-8
Hardscan Control Register

(HSCR), 4-7

Slot-Select Register, 4-6

RESET* signal

description of, 3-4, C-3
initialization, 5-3
and SPI bus, 3-5

Revision A and B SCXI-1120 signal

conditioning module

detailed parts locator diagram, F-3
general parts locator diagram, F-2
photograph, F-1

RSVD bit, 4-4, 4-7
RSVD signal

front connector, 2-13, D-2
rear signal connector, 2-25, B-2
SCXIbus connector, 3-4, C-3

RTEMP bit, 4-4

SCANCLK signal

analog output, 3-13
module programming, 5-9
multiplexed scanning, 3-14 to 3-15
rear signal connector, 2-25, B-2
timing requirements, 2-28

SCANCLKEN bit, 4-4
SCANCON signal

analog output, 3-13
multiplexed scanning, 3-14 to 3-15
SCXIbus connector, 3-5, C-4

SCANCONEN bit, 4-4, 4-7
scanning measurements

module programming, 5-8 to 5-10

channel scanning from other

modules, 5-9

channel scanning from SCXI-1120

via another module, 5-9

multiple-chassis scanning, 5-10
multiple-module multiplexed

scanning, 5-9 to 5-10

single-module multiplexed scanning

(direct), 5-9

single-module multiplexed scanning

(indirect), 5-9

single-module parallel scanning, 5-8

programming, 5-5 to 5-12

acquisition enable, triggering, and

servicing, 5-12

data acquisition and board

programming, 5-6 to 5-8

Counter 1 and SCANDIV, 5-8

scanning examples, 5-12 to 5-15
Slot 0 hardscan circuitry,

5-10 to 5-11

scanning modes

theory of operation, 3-13 to 3-16

multiplexed scanning, 3-14 to 3-16

multiple-chassis scanning, 3-16
multiple-module multiplexed

scanning, 3-15 to 3-16

single-module multiplexed

scanning, 3-14 to 3-15

single-module parallel

scanning, 3-14

SCXI-1120. See also configuration;

installation.

block diagram, 3-1
contents of kit, 1-2
custom cables, 1-4
definition of, xi, 1-1
optional equipment, 1-3 to 1-4
optional software, 1-2 to 1-3
overview, 1-1
Revision A and B signal conditioning

module

detailed parts locator diagram, F-3
general parts locator diagram, F-2
photograph, F-1

unpacking, 1-4

SCXI-1120 registers, 4-1 to 4-4