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© National Instruments Corporation I-5 SCB-68 Shielded Connector Block User Manual
I
input modes. See analog input signal
connections
installation
68-pin cables, 1-5 to 1-6
connecting to SCB-68 (figure), 1-6
quick reference label (table), 1-2
100-pin cables, 1-6to1-10
connecting to SCB-68 (figure), 1-7
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
connecting signals, 2-3
hazardous voltages (caution), 2-1
installation categories, 1-12 to 1-13
parts locator diagram (figure), 1-5, 2-2
printed circuit diagram (figure), 2-2
L
lowpass filtering, 5-7 to 5-16
adding components, 5-11 to 5-12
analog output and digital input
lowpass filtering, 5-12
differential lowpass filter, 5-12
single-ended lowpass filter, 5-12
applications, 5-13 to 5-14
antialiasing filtering, 5-13 to 5-14
noise filtering, 5-13
Bode Plots for ideal and real filters
(figures), 5-8
one-pole lowpass RC filter, 5-10 to 5-11
selecting components, 5-11
special considerations
analog input channels, 5-14
analog output channels, 5-14 to 5-15
digital trigger input signals,
5-15 to 5-16
square wave input signal
entry into filters (figure), 5-9
response of ideal filter (figure), 5-9
response of real filter (figure), 5-10
theory of operation, 5-7 to 5-10
M
manual. See documentation
maximum working voltage specifications, A-2
Measurement & Automation Explorer
(MAX), 1-11
measuring 4-20 mA current, 5-16 to 5-18
adding components
differential inputs, 5-18
single-ended inputs, 5-18
selecting resistor, 5-17
theory of operation, 5-16 to 5-17
N
NI 653X devices, quick reference label (table),
1-3, B-7
NI 660X devices, quick reference label (table),
1-4, B-6
NI 670X devices, quick reference label (table),
1-3, B-3
NI 671X/673X devices, quick reference label
(table), 1-3, B-4
NI 7811R/7831R devices, quick reference
label (table), B-8
noise
lowpass filtering, 5-13
minimizing environmental noise,
3-13 to 3-14
recommendations for signal
connections, 3-14