National Instruments NI EDIDS-2400 Series, User Manual, Page: 81 / 314

NI EDIDS-2400 Series User Manual | © National Instruments | 81
Tip Strip: Enables PFI Driver module operation
Detail: If a PFI driver module is inserted in the assigned slot , externally powered , and PFI_ModuleEnable is ON , then
the controller begins communicating with the module and allows the module to operate.
PFI_Mode
Tip Strip: Selects operating mode for PFI Driver module
Detail: Operating mode applied to the PFI Driver module.
The PFI Driver module can be assigned a mode of operation which will apply to all PFI channels. The lowside
channels are not affected by this mode parameter. The PFI_Mode refers to the mode of sending injection commands
to the channels of the module.
Direct Mode: The PFI Driver module PFI channels are commanded directly by external digital inputs of the NI 9411
modules. The digital input which commands each channel can be configured via the Digital Input Setup window. The
digital input level which commands the PFI channel ON is configured via the Invert buttons of the Digital Input Setup
window. The duration of the injection command is determined by the direct duration of the digital input.
Calibration Mode:
Calibration mode is for the purpose doing injector flow calibrations. Calibration mode is
configured via the Calibration Mode Setup window for a specified number of injection events, command duration
and command period. Only one PFI channel of the module may be enabled for Calibration Mode. If more than one
channel is enabled, then commands will not be delivered.
Triggered Multi-Pulse (TMP) Mode: The PFI Driver module PFI channels are commanded by a specified sequence
of pulses and triggered by an external digital rising or falling edge to the assigned 9411 digital input channel. The
pulse sequence is configured via the PFI tab of the Pulse Generation Setup window. The external trigger channel is
assigned via the Digital Input Setup window.
Engine Position Tracking (EPT) Mode: The PFI Driver module PFI channels are commanded by a specified
sequence of pulses and triggered by crankshaft angle events for each pulse, with respect to an assigned Top Dead
Center (TDC) reference value. The pulse sequence is configured via the PFI tab of the Pulse Generation Setup
window. The TDC reference value is configured via the TDC Channel Mapping tab of the Engine Position Tracking
Setup window. Engine position tracking parameters are configured via the EPT tab of the Engine Position Tracking
Setup window for a variety of crank and cam signal patterns.
PFI_OneShot
Tip Strip: Generates one-shot command to selected channel
Detail: When pressed, the PFI Driver module will deliver a one-shot pulse to the PFI channel selected in
PFI_OneShotSelect , having a duration specified by PFI_OneShotTime . This button returns to the OFF state
automatically.