Contents
© National Instruments Corporation ix SCXI-1127/1128 User Manual
GlossaryIndexFiguresFigure 1-1. Installing the SCXI-1127/1128 into an SCXI Chassis..........................1-4
Figure 1-2. 4-Slot Single-Chassis Installation .........................................................1-6
Figure 1-3. 4-Slot Configuration Parts Locator Diagram ........................................1-7
Figure 1-4. 12-Slot Single-Chassis Installation .......................................................1-8
Figure 1-5. 12-Slot Configuration Parts Locator Diagram ......................................1-9
Figure 1-6. 4-Slot to 4-Slot Multichassis Configuration Parts Locator
Diagram.................................................................................................1-11
Figure 1-7. 4-Slot to 12-Slot Multichassis Configuration Parts Locator
Diagram.................................................................................................1-13
Figure 1-8. 12-Slot to 12-Slot Multichassis Configuration Parts Locator
Diagram.................................................................................................1-15
Figure 1-9. Installing the SCXI-1127/1128 with Two DAQ Devices .....................1-19
Figure 2-1. SCXI-1331 Signal Connections ............................................................2-2
Figure 2-2. 2-Wire Block Diagram..........................................................................2-3
Figure 2-3. 2-Wire Wiring Diagram ........................................................................2-4
Figure 2-4. 1-Wire Block Diagram..........................................................................2-5
Figure 2-5. 1-Wire Wiring Diagram ........................................................................2-6
Figure 2-6. 4-Wire Block Diagram..........................................................................2-7
Figure 2-7. 4-Wire Wiring Diagram ........................................................................2-8
Figure 2-8. Signal Connections for a 2-Wire Resistance Measurement.................. 2-9
Figure 2-9. Signal Connections for a 4-Wire Resistance Measurement.................. 2-10
Figure 2-10. Mixed Mode Scanning with an SCXI-1331..........................................2-11
Figure 2-11. Hardware Scanning Flowchart..............................................................2-13
Figure 2-12. Cabling a DMM and Using the TRIG0 to Bus
the VMC/EXT_TRIG_IN to Non-Cabled Modules.............................. 2-14
Figure 2-13. Cabling an External DMM....................................................................2-15
Figure 2-14. Daisy-Chained for Handshaking...........................................................2-16
Figure 2-15. Connecting an External DMM to an SCXI-1127/1128
in an SCXI-2000 Series Chassis............................................................2-16
Figure 2-16. Temperature Measurement Wiring Diagram ........................................2-18
Figure 2-17. 2 × 4, 1-Wire Matrix Configuration......................................................2-20
Figure 2-18. 1 × 32 Matrix Wiring Diagram..............................................................2-21
Figure 2-19. SCXI-1332 Terminal Block..................................................................2-22
Figure 2-20. SCXI-1332 Connected to an SCXI-1127..............................................2-23
Figure 2-21. SCXI-1332 Connected to an SCXI-1127/1128 Schematic ...................2-24
Figure 2-22. 8 × 8 Matrix Parts Locator Diagram .....................................................2-25
Figure 2-23. 8 × 8 Matrix Schematic.........................................................................2-26