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Chapter 2 Function Reference — Config_DAQ_Event_Message
NI-DAQ FRM for PC Compatibles 2-76
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National Instruments Corporation
Analog
positive
slope
triggering
5 Send a message when data from
any channel in chanStr
positively triggers on the
hysteresis window specified by
DAQTrigVal0 and
DAQTrigVal1, where
DAQTrigVal0 ≥
DAQTrigVal1. To positively
trigger, data must first go below
DAQTrigVal1 and above
DAQTrigVal0.
MIO and AI devices <AI>
Lab and 1200 Series devices <AI>
516 and LPM devices,
DAQCard-500/700 <AI>
Analog
negative
slope
triggering
6 Send a message when data from
any channel in chanStr
negatively triggers on the
hysteresis window specified by
DAQTrigVal0 and
DAQTrigVal1, where
DAQTrigVal0 ≥
DAQTrigVal1. To negatively
trigger, data must first go above
DAQTrigVal0 and below
DAQTrigVal1.
MIO and AI devices <AI>
Lab and 1200 Series devices <AI>
516 and LPM devices,
DAQCard-500/700 <AI>
Digital
pattern not
matched
7 Send a message when data from
any digital port in chanStr
causes this statement to be true:
data AND DAQTrigVal0 NOT
EQUAL DAQTrigVal1. Only
the lower word is relevant.
Lab and 1200 Series devices (except
an SCXI-1200 with remote SCXI)
<DIO>
DIO 6533 devices <DIO>
PC-DIO-24/PnP, DAQCard-DIO-24,
PC-DIO-96/PnP, PCI-DIO-96,
DAQPad-6507/6508 <DIO>
AT-MIO-16D, AT-MIO-16DE-10
<DIO>
Table 2-17.
DAQEvent Messages (Continued)
DAQEvent
Type
Code
Description
of Message
Usable Devices
<Usable Operation Families>