National Instruments NI PCI-6110 - Manual (Page 6)

Contents
NI PCI-6110/6111 User Manual vi ni.com
Chapter 4
Connecting Signals
I/O Connector ................................................................................................................ 4-1
I/O Connector Signal Descriptions ................................................................. 4-3
Connecting Analog Input Signals.................................................................................. 4-8
Types of Signal Sources ................................................................................................ 4-9
Floating Signal Sources .................................................................................. 4-9
Ground-Referenced Signal Sources ................................................................ 4-9
Differential Measurements ............................................................................................ 4-10
Differential Connection Considerations.......................................................... 4-10
Differential Connections for Ground-Referenced
Signal Sources ............................................................................... 4-11
Differential Connections for Nonreferenced or Floating
Signal Sources ............................................................................... 4-12
Common-Mode Signal Rejection Considerations........................................... 4-12
Working Voltage Range ................................................................................................ 4-13
Analog Output Signal Connections ............................................................................... 4-14
Digital I/O Signal Connections ..................................................................................... 4-15
Power Connections ........................................................................................................ 4-16
Timing Connections ...................................................................................................... 4-16
Programmable Function Input Connections ................................................... 4-17
DAQ Timing Connections .............................................................................. 4-18
TRIG1 Signal.................................................................................... 4-19
TRIG2 Signal.................................................................................... 4-20
STARTSCAN Signal........................................................................ 4-22
CONVERT* Signal .......................................................................... 4-24
AIGATE Signal ................................................................................ 4-25
SISOURCE Signal............................................................................ 4-26
SCANCLK Signal ............................................................................ 4-26
EXTSTROBE* Signal ...................................................................... 4-27
Waveform Generation Timing Connections ................................................... 4-27
WFTRIG Signal................................................................................ 4-28
UPDATE* Signal ............................................................................. 4-29
UISOURCE Signal ........................................................................... 4-30
General-Purpose Timing Signal Connections................................................. 4-30
GPCTR0_SOURCE Signal .............................................................. 4-31
GPCTR0_GATE Signal ................................................................... 4-31
GPCTR0_OUT Signal ...................................................................... 4-32
GPCTR0_UP_DOWN Signal........................................................... 4-33
GPCTR1_SOURCE Signal .............................................................. 4-33
GPCTR1_GATE Signal ................................................................... 4-34