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© National Instruments Corporation vii SCXI-1127/1128 User Manual
Contents
Chapter 1
Installing and Configuring the SCXI-1127/1128
Installing the Software...................................................................................................1-2
Installing the Hardware..................................................................................................1-3
Installing the SCXI-1127/1128 Module into the SCXI Chassis......................1-4
Connecting the SCXI-1127/1128 to the DMM in a Single-Chassis System...1-5
Single 4-Slot Chassis Configuration.................................................1-6
Single 12-Slot Chassis Configuration...............................................1-8
Connecting the SCXI-1127/1128 to the DMM in a Multichassis System ......1-10
4-Slot and 4-Slot Multichassis Configuration...................................1-10
4-Slot and 12-Slot Multichassis Configuration.................................1-12
12-Slot and 12-Slot Multichassis Configuration...............................1-14
Connecting the SCXI-1127/1128 to the DMM in a PXI-1010 Chassis ..........1-16
DMM in PXI Slots 1 through 7 Configuration .................................1-16
DMM in PXI Slot 8 Configuration ...................................................1-17
Connecting the SCXI-1127/1128 to the DMM in the PXI-1011 Chassis .......1-17
DMM in PXI Slots 1 through 3 Configuration .................................1-18
DMM in PXI Slot 4 Configuration ...................................................1-18
Accessing the SCXI-1127/1128 through Other SCXI Modules Using
a DAQ Device ..............................................................................................1-18
Using a DAQ Device on a PXI-1010 Chassis.................................................1-20
Using a DAQ Device on a PXI-1011 Chassis.................................................1-20
Connecting the SCXI-1127/1128 to an External DMM..................................1-20
Configuring and Self-Test .............................................................................................1-22
Auto-Detecting Modules .................................................................................1-22
Manually Adding Modules..............................................................................1-23
Safety Information .........................................................................................................1-24
Chapter 2
Using the SCXI-1127/1128
Operating as a Multiplexer/Scanner ..............................................................................2-1
2-Wire Channel Scanning Configuration........................................................2-3
1-Wire Channel Scanning Configuration........................................................2-5
4-Wire Channel Scanning Configuration........................................................2-6
4-Wire versus 2-Wire Resistance Measurement .............................................2-9
Mixed Mode Configuration.............................................................................2-10
Hardware-Timed and Software Scanning .......................................................2-11
Hardware-Timed Scanning ...............................................................2-12