Engine Sensor / Load Simulator

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To download manuals, software or firmware for items on this page, please visit the download center.

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GarTech designs and builds several different engine simulators to facilitate bench top engine control system hardware and software testing.  These simulators are designed to connect to engine ECM’s (Electronic Control Module) and provide sensor outputs to the ECM without using an actual sensor.  Most load box outputs are “open loop”, which means the user has complete control over setting the sensor output values.  We do offer closed loop engine speed control, however.  In this mode, the engine speed signal generated by the load box responds similarly to an actual engine (including start, stop, and throttle response).  If your special testing needs require features other than those found in our standard products, please contact us discuss a custom design.

 

 

LUIS (Load box User Interface System)

 

Test Point Front Panels
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LED Front Panels
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Bench top PC controlled load box with approximate dimensions of 18”x12”x4”LUIS Features:

  • Open and Closed Loop Engine Speed simulation
  • GarTech Arbitrary Waveform Generator integrated into system
  • Engine Speed (ESS)/Engine Position (EPS) and up to 6 additional frequency outputs
  • 16 Resistive DAC outputs
  • 16 Ratiometric DAC outputs
  • 24 Active Low switches
  • 6 Individually Configurable High/Low side switch outputs
  • Sidecar adds 8 DAC outpputs (can be used as ratiometric or resistive), 4 high voltage DAC outputs, and 7 switches (relay contacts)
  • LUIS PC application allows user complete control over I/O setup
  • LUIS configuration files may be created to set up I/O for specific tests
  • Multiple boxes may be controlled by single PC application for seamless integration testing of single engine systems with multiple ECM’s
  • LUIS accepts CAN commands using the J1939 proprietary PGN (specification available)

LUIS Part Numbers:
Hardware

  • G00391-00 LUIS PC Controller with 19” LCD monitor, keyboard, mouse, and CAN card
  • G00393-03 LUIS Main (Parent) Control Module
  • G00726-00 LUIS Sidecar with injector loads
  • G00393-00 LUIS Child Control Module (for multiple ECM systems)

LUIS Wiring Harnesses (Cummins)

  • G00394-00 Parent CM850 harness
  • G00395-00 Child 1 CM850 harness
  • G00396-00 Child 2 CM850 harness
  • G00796-00 CM870 harness
  • G00797-00 CM875 harness
  • G00511-00 CM2100 harness
  • G00892-00 CM550 harness
  • G00893-00 CM554 harness
  • G00573-00 CM570 harness
  • G00657-00 CM500 harness
  • G00658-00 CM400 harness

 

Universal Load Box



imageBench top analog load box with approximate dimensions of 22”x16”x15”
Part Number G00138-00 Features:

  • Open and Closed Loop Engine Speed simulation
  • 10 Resistive A/D outputs
  • 25 Ratiometric A/D outputs
  • 44 Switch outputs
  • ESS,/EPS and 3 additional frequency outputs
  • Requires External VBATT Supply

Universal Load Box Harnesses (Cummins):

  • G00137-00 for CM570
  • G00150-00 for CM850
  • G00151-01 for CM850 PowerGen
  • G00316-00 for CM875
  • G00465-00 for CM876 PowerGen
  • G00542-00 for CM870
  • G00649-00 for CM2150