Measurement Computing PCI-DAS6030, User Manual

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PCI-DAS6030 & PCI-DAS6032 User's Guide Functional Details
16
Auxiliary I/O Signals
I/O Type Signal Name Function
AUXIN<5:0> sources
(software selectable) A/D CONVERT External ADC Convert Strobe (default)
A/D TIMEBASE IN External ADC Pacer Time Base
A/D START TRIGGER ADC Start Trigger (default)
A/D STOP TRIGGER ADC Stop Trigger (default)
A/D PACER GATE External ADC Gate (default)
D/A START TRIGGER DAC Trigger/Gate (default)
D/A UPDATE DAC Update Strobe (default)
D/A TIMEBASE IN External DAC Pacer Time Base
AUXOUT<2:0> sources
(software selectable) STARTSCAN A pulse indicating the start of conversion.
SSH
An active signal that terminates at the start of the last
conversion in a scan.
A/D STOP Indicates the end of a scan
A/D CONVERT ADC convert pulse (default)
SCANCLK Delayed version of ADC convert (default)
CTR1 CLK CTR1 clock source
D/A UPDATE D/A update pulse (default)
CTR2 CLK CTR2 clock source
A/D START TRIGGER ADC Start Trigger Out
A/D STOP TRIGGER ADC Stop Trigger Out
A/D PACER GATE External ADC gate
D/A START TRIGGER DAC Start Trigger Out
Default selections
summary AUXIN0 A/D CONVERT
AUXIN1 A/D START TRIGGER
AUXIN2 A/D STOP TRIGGER
AUXIN3 D/A UPDATE
AUXIN4 D/A START TRIGGER
AUXIN5 A/D PACER GATE
AUXOUT0 D/A UPDATE
AUXOUT1 A/D CONVERT
AUXOUT2 SCANCLK
DAQ-Sync signals
The DAQ-Sync hardware provides the capability of triggering or clocking up to four slave boards from a master
board to synchronize data input and/or output.
The PCI-DAS6030 and PCI-DAS6032 boards provide the capability of inter-board synchronization between
boards in the PCI-DAS6000 family. There are five trigger/strobes and a synchronizing clock provided on a
14-pin header. The following signals are available:

DS A/D START TRIGGER

DS A/D STOP TRIGGER

DS A/D CONVERT

DS D/A UPDATE

DS D/A START TRIGGER

SYNC CLK
Except for the SYNC CLK signal, the DAQ-Sync timing and control signals are a subset of the AUXIO signals
available at the 100-pin I/O connector. These versions of the signals are used for board-to-board
synchronization and have the same timing specifications as their I/O connector counterparts. Refer to "DAQ
signal timing" on page 18 for explanations of signals and timing.
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