National Instruments DAQ X NI 634 Series, Руководство пользователя

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5-5
X Series User Manual
Connecting Analog Output Signals
AO <0..3> are the voltage output signals for analog output channels 0, 1, 2, and 3. AO GND is
the ground reference for AO <0..3>.
Figure 5-2 shows how to make analog output connections to the device.
Figure 5-2. Analog Output Connections
Analog Output Timing Signals
Figure 5-3 summarizes all of the timing options provided by the analog output timing engine.
Figure 5-3.
Analog Output Timing Options
X Series devices feature the following analog output (waveform generation) timing signals:
• AO Start Trigger Signal
*
• AO Pause Trigger Signal
*
• AO Sample Clock Signal
*
• AO Sample Clock Timebase Signal
Lo a d
Lo a d
V OUT
V OUT
+
–
+
–
AO GND
AO 3
An a log O u tp u t Ch a nnel s
AO 2
Ch a nnel 3
Connector 1 (AI 16 – 3 1)
Ch a nnel 2
X S erie s Device
Lo a d
Lo a d
V OUT
V OUT
+
–
+
–
AO GND
AO 1
An a log O u tp u t Ch a nnel s
X S erie s Device
AO 0
Ch a nnel 1
Ch a nnel 0
Connector 0 (AI 0 –15)
PFI, RT S I
PXI_ S TAR
An a log Comp a ri s on
Event
20 MHz Time bas e
100 kHz Time bas e
PXI_CLK10
Progr a mm ab le
Clock
Divider
AO Sa mple Clock
Time bas e
PFI, RT S I
PXI_ S TAR
An a log Comp a ri s on Event
Ctr n Intern a l O u tp u t
100 MHz Time bas e
D S TAR <A..B>
D S TAR <A..B>
AO Sa mple Clock