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© National Instruments Corporation Index-1 SC-2040 User Manual
Index
Numbers/Symbols
+5 V signal
input connector summary (table), 3-4
output connector summary (table), 3-4
to 3-5
A
AC-coupled inputs, 3-8 to 3-11
common-mode input range, 3-10 to 3-11
exceeding differential and
common-mode ranges (warning), 3-10
floating AC-coupled signal connection
(illustration), 3-8
ground-offset AC-coupled signal
connection (illustration), 3-9
ground-referenced AC-coupled signal
connection (illustration), 3-9
referencing analog ground to DAQ
board (note), 3-8
AIGND-AIGND position (table), 2-4
AIGND-DGND position (table), 2-4
AIGND signal
input connector summary (table), 3-4
output connector summary (table), 3-4
to 3-5
analog circuitry, 4-2 to 4-6
amplification, 4-3
external triggering, 4-5 to 4-6
input protection, 4-3
output connection, 4-6
power supply, 4-6
track-and-hold (T/H) circuitry, 4-3 to 4-4
triggering from DAQ board, 4-4 to 4-5
analog input specifications
amplifier characteristics, A-2
dynamic characteristics, A-2
input characteristics, A-1
S/H characteristics, A-3
stability, A-3
transfer characteristics, A-1
analog signal inputs, 3-7 to 3-11
AC-coupled inputs, 3-8 to 3-11
common-mode input range, 3-10
to 3-11
exceeding differential and
common-mode ranges
(warning), 3-10
floating AC-coupled signal
connection (illustration), 3-10
ground-offset AC-coupled signal
connection (illustration), 3-9
ground-referenced AC-coupled
signal connection (illustration), 3-9
referencing analog ground to DAQ
board (note), 3-8
analog input ranges, 3-10 to 3-11
DC-coupled inputs, 3-7 to 3-8
floating signal connection
(illustration), 3-8
ground-referenced signal connection
(illustration), 3-7
leaving connector J5 disconnected
(note), 3-7
B
block diagram of SC-2040, 4-2
board configuration. See configuration.
C
calibration procedures
hardware calibration, 5-2 to 5-4
calibration component identification
(table), 5-3
steps for, 5-3 to 5-4
overview, 5-1
software calibration
gain adjustment, 5-2
linearity adjustment, 5-2
offset adjustment, 5-1
CH-(0..7) signal (table), 3-3
channel gain selection
gain switches for each channel
(table), 2-6