Automotive & Industrial

Automotive & Industrial

appsCAN Throttle Simulator & Control Module Kit

Most vehicles sold today do not have a direct physical connection between the accelerator pedal and the engine's throttle. Instead, command signals from the accelerator pedal are sent to the engine controller and the engine's throttle is controlled by an electric motor. When engines or vehicles are tested in dynamometer cells, it is no longer necessary to have a robot or actuator pushing on the accelerator pedal if these accelerator pedal signals can be simulated.

ECM's appsCAN module simulates accelerator pedal position signals based on CAN commands sent to it from the dynamometer controller, or a voltage input, or a potentiometer input. Up to four analogue outputs and four PWM outputs can be simulated. For fail-safe reasons, all accelerator pedals output at least two signals. Coordination of these signals must be maintained to avoid triggering an engine fault code. ECM's appsCAN module supports synchronous signal operation which maintains coordination of these signals. In addition, all analogue outputs from accelerator pedals are ratiometric. This means that the pedal's analogue outputs must scale with voltage reference(s) sent from the engine controller. ECM's appsCAN module's analogue outputs can be ratiometric based on up to four external measured reference voltages or absolute voltages based on internal references.

ECM's appsCAN module can also serve as a general-purpose four-channel analogue input, four-channel analogue output and four-channel PWM output device. Therefore, other dynamometer and test schedule functions can be controlled using the module.

Command Input: CAN, or Voltage Input, or Potentiometer Input
Commands: % of external voltage reference, or absolute voltage output (4x)
% duty cycle of PWM (pulse-width modulated) output (4x)
PWM frequency (4x)
Default % value for voltage output on power-up (4x)
Default % duty cycle value for PWM on power-up (4x)
Default frequency for PWM on power-up (4x)
Analogue Inputs: 0 to 15V, 16 bits (4x)
Analogue Outputs: 0 to 100% of external voltage reference, or internal 5V reference (4x)
Resolution: 0.024% of voltage reference
Maximum current source capacity: 10 mA per channel
Output Impedance: 1 Ohm
Common ground for analog signals but separate from PWM and
CAN/Power grounds
Outputs protected from shorts and misconnections
PWM Outputs: Low-side drivers with optional internal pull-ups to 5V (4 x)
0 to 100% duty cycle, Resolution: 0.0015%
1.5 to 1000 hz frequency, Resolution: 0.5 hz
Maximum current sink capacity: 500mA per channel
Common ground for PWM outputs but separate from analogue signals and CAN/Power grounds
Outputs protected from shorts and misconnections
Configurations: Via CAN Bus using supplied Configuration Software or User Program.
Programmable Node ID.
Power: 8 to 28 VDC, 100 mA min., AC/DC (optional)
Size: 145mm x 120mm x 40mm, Environmentally Sealed
Environmental.: -55 to 125 C, IP67
Connection Hardware: Outputs - 300m harness with Deutsch DTM06-12S 12-position connectors (2 harnesses supplied with unit)
CAN and Power - 2m Cable with Eurofast 12mm cable and banana plugs

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appsCAN layout

appsCAN Leaflet
Size: 102.0 KB (104,400 bytes)

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