National Instruments 776570-00 User Manual page 6

Figure 3-4.
Figure 3-5.
Figure 3-6.
Figure 3-7.
Figure 3-8.
Figure 4-1.
Figure 4-2.
Figure 4-3.
Figure 4-4.
Figure 4-5.
Tables
Table 2-1.
Table 2-2.
Table 2-3.
Table 2-4.
Table 2-5.
Table 2-6.
Table 2-7.
Table 3-1.
Table 3-2.
Table 3-3.
Table 5-1.
Table A-1.
Table A-2.
Table A-3.
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Floating AC-Coupled Signal Connection for the SCXI-1120...............3-6
AC-Coupled Signal Connection for the SCXI-1120 with
High Common-Mode Voltage...............................................................3-6
AC-Coupled Signal Connection for the SCXI-1120D with
High Common Mode Voltage ...............................................................3-7
Floating AC-Coupled Signal Connection for the SCXI-1120D............3-7
SCXI-1120/D Rear Signal Connector Pin Assignments .......................3-8
SCXI-1120/D Block Diagram ...............................................................4-1
Digital Interface Circuitry Block Diagram............................................4-3
SCXI-1120/D Digital Control ...............................................................4-4
Analog Input Block Diagram ................................................................4-6
Analog Output Circuitry........................................................................4-9
Digital Signal Connections, Jumper Settings ........................................2-7
Jumper W46 Settings.............................................................................2-9
Jumper W41 Settings.............................................................................2-10
Gain Jumper Allocation.........................................................................2-10
Gain Jumper Positions...........................................................................2-11
SCXI-1120 Filter Jumper Allocation ....................................................2-12
SCXI-1120D Filter Jumper Allocation .................................................2-13
SCXI-1120/D Front Connector Signal Descriptions.............................3-4
Rear Connector Signal Descriptions .....................................................3-9
SCXIbus to SCXI-1120/D Rear Connector
to DAQ Device Pin Equivalencies ........................................................3-11
Calibration Potentiometers Reference Designators...............................5-2
Input Signal Range ................................................................................A-5
System Noise RTI (0.1 Hz to 50 kHz) ..................................................A-6
Switching Supply Noise (approximately at 100 kHz)...........................A-7
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Contents
SCXI-1120/D User Manual