National Instruments NI 6013, NI 6014 Chapter 4 Connecting Signals

Contents
NI6013/6014 User Man ual viii ni.com
Chapter 4
Connecting Signals
I/O Connector................................................................................................................4-1
AnalogInput Signal Overview ......................................................................................4-6
Types of Signal Sources ..................................................................................4-7
FloatingSignal Sources....................................................................4-7
Ground-Referenced Signal Sources.................................................. 4-7
AnalogInput Modes........................................................................................4-7
ConnectingAnalog Input Signals ..................................................................................4-9
DifferentialConnection Considerations..........................................................4-10
DifferentialConnections for Ground-Referenced
SignalSources ..................................................................................4-11
DifferentialConnections for Nonreferenced or Floating
SignalSources ..................................................................................4-12
Single-EndedConnection Considerations ...................................................... 4-14
Single-Ended Connections for Floating Signal Sources...................4-15
Single-Ended Connections for Grounded Signal Sources................ 4-15
Common-Mode Signal Rejection Considerations ...........................................4-16
ConnectingAnalog Output Signals ...............................................................................4-17
ConnectingDigital I/OSignals .....................................................................................4-18
PowerConnections ........................................................................................................4-19
ConnectingTiming Signals ...........................................................................................4-19
ProgrammableFunction InputConnections ...................................................4-20
DAQ Timing Connections ..............................................................................4-21
TRIG1S ignal....................................................................................4-22
TRIG2S ignal....................................................................................4-23
STARTSCANSignal ........................................................................4-25
CONVERT*Signal .......................................................................... 4-27
AIGATESignal ................................................................................ 4-28
SISOURCE Signal............................................................................4-29
SCANCLK Signal ............................................................................4-29
EXTSTROBE*Signal ......................................................................4-30
WaveformGeneration Timing Connections ...................................................4-31
WFTRIG Signal................................................................................4-31
UPDATE*Signal .............................................................................4-32
UISOURCESignal ........................................................................... 4-33
General-Purpose Timing Signal Connections .................................................4-34
GPCTR0_SOURCESignal ..............................................................4-34
GPCTR0_GATESignal ...................................................................4-35
GPCTR0_OUTSignal ......................................................................4-35
GPCTR0_UP_DOWN Signal...........................................................4-36
GPCTR1_SOURCESignal ..............................................................4-36
GPCTR1_GATESignal ...................................................................4-37