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NI EDIDS-2400 Series User Manual | © National Instruments | 181
EngineStatus
Tip Strip: Engine status based on StallSpeed and CrankRunThreshold
Detail: Indicates the status of the engine crankshaft as stalled, cranking, or running, depending on the values of
.
STALLED:
CRANKING:
RUNNING:
MaxCAT
Tip Strip: Maximum crank angle ticks for complete engine cycle
Units: CAT
Detail: Maximum Crank Angle Ticks per engine cycle. A Crank Angle Tick (CAT) is a single unit of angular measure
is reported as power-of-two angular ticks of crank position travel, having a resolution
dependent on binary extrapolation level and the number of physical teeth per crankshaft rotation. For example,
, which has an extrapolation of 7, the number of CAT per crank tooth would be 2^7=128,
and the internally calculated CurrentPosition would be evenly incremented by 128 CAT from one physical tooth
to the next. If a 60-2 pattern were used and the engine was a 2-stroke, the
per engine cycle would be
60*128=7680. If the engine was a 4-stroke, the
per engine cycle would be 2*60*128=15360.
CrankCount
Tip Strip: EPT crank pulse count while in sync
Units: pulses
Detail: The latest tooth count referenced to crank tooth 0. Tooth 0 is determined according to the pattern that
is being tracked and is discussed within the
pattern specific EPT documentation
. Also see the description for
.
is provided in terms of a complete engine cycle and is reported as if there were no
missing or extra teeth in the pattern. For example, if
STROKE, then
CrankStalled
Summary of Contents for NI EDIDS-2400 Series
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Page 48: ...48 ni com NI EDIDS 2400 Series User Manual 3 3 3 Connecting Injectors Sensors and Actuators...
Page 60: ...60 ni com NI EDIDS 2400 Series User Manual 3 3 5 b Side View of Optional Enclosure...
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Page 241: ...NI EDIDS 2400 Series User Manual National Instruments 241 Aux PWX 2 4 See above descriptions...
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Page 306: ...306 ni com NI EDIDS 2400 Series User Manual 22 TDK to cRIO Remote Connection...
Page 308: ...308 ni com NI EDIDS 2400 Series User Manual 8 Important Information...