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National Instruments Corporation
I-1
SCB-68 Shielded Connector Block User Manual
Index
Numbers
+5 V signal
fuse and power considerations, C-1
power supply (figure), D-1
68-pin cables
connecting to SCB-68 (figure), 1-6
installing, 1-5 to 1-6
quick reference label (table), 1-2
100-pin cables
connecting to SCB-68 (figure), 1-7
installing, 1-6 to 1-10
pin assignments
SCB-68 E Series I/O Connector pinout
(extended AI) (figure), 1-9
SCB-68 E Series I/O Connector pinout
(extended digital) (figure), 1-10
SCB-68 E Series I/O Connector pinout
(full) (figure), 1-8
quick reference labels (table), 1-2
A
accuracy and resolution of voltage
measurement, 5-5
ACH<
i
> and ACH<
i
+8>
analog input channel configuration
(figure), 5-2
adding components, 5-1 to 5-24
accuracy and resolution considerations, 5-5
attenuating voltage, 5-18 to 5-24
channel pad configurations, 5-2 to 5-4
lowpass filtering, 5-7 to 5-16
measuring current, 5-16 to 5-18
open thermocouple detection, 5-5 to 5-7
analog input channels
conditioning, 5-2 to 5-3
component locations (table), 5-2 to 5-3
configuration diagram (figure), 5-2
input attenuators, 5-22 to 5-23
lowpass filter considerations, 5-14
specifications, A-1
analog input signal connections, 3-1 to 3-10
differential connections DIFF input mode
description, 3-5
ground-referenced signal sources,
3-4, 3-6
nonreferenced or floating signal
sources, 3-3, 3-7 to 3-8
ground-referenced signal sources
description, 3-4
differential inputs, 3-4, 3-6
single-ended inputs, 3-4 to 3-5,
3-9 to 3-10
input modes
recommended input modes (figure), 3-2
types of, 3-1
nonreferenced or floating signal sources
description, 3-3
differential inputs, 3-3, 3-7 to 3-8
single-ended inputs, 3-3, 3-9
single-ended connections
description, 3-8
ground-referenced signal sources,
3-4 to 3-5, 3-9 to 3-10
nonreferenced or floating signal
sources, 3-3, 3-9
switch configuration (table), 4-4
analog output (AO) devices, quick reference
label (table), 1-3
analog output channels
circuitry diagram (figure), D-3
conditioning, 5-3 to 5-4
component locations (table), 5-3
configuration diagram (figure), 5-3
