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NI DIDS-2100 Series User Manual | © National Instruments | 101
4.5.2.1 DI Advanced Settings Window
The DI1 Advanced Settings Window allows users to configure individual channel durations for DI EPT injection
command pulse sequences. The pulse enable and timing controls can be configured from this window, but they
apply to all channels of the DI Driver module. Similar to the
, Figures 4.5.2.1.a and 4.5.2.1.b, below, are
timing diagrams showing the effect of each
parameter. An independent EPT injection duration
command sequence is provided for each DI Driver channel. The command pulse sequence can be configured to
according to a specified angle with respect
to the channel’s Top Dead Center (TDC) reference. Some parameters are disabled according to the selected
; the disabled parameters will retain their most recent value and will not accept a value from the
keyboard.
The DI module can also be operated in a Skip Fire mode, wherein the user specifies a Skip Fire Sequence according
to the total number of cycles desired in the sequence,
, and the number of active cycles on which
an injection occurs,
. Only one Skip Fire Sequence can be defined for the entire DI Driver System,
but it can be enabled on all present channels. Changing
programmatically changes the value of that parameter on the
windows. Similarly, changing the value of each
parameter programmatically updates the value
of the corresponding parameters on the DI-EPT Tab.
Pulse #
Tip Strip: Enables injection pulse
Detail: When
ON
, the command to the associated DI Driver module channel will be active for the specified
duration. When
OFF
, the command will be inactive. These controls also manipulate the corresponding Pulse
.
SOI Timing
Tip Strip: Start Of Injection angle with respect to TDC
Units: DBTDC
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