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Electric retarder control system

Operating with 4 independent high-quality mechanical relays it supplies power in stages to the circuits of the retarder coils. Typically the relays are activated (a) when the driver applies the brake pedal (b) or when the throttle pedal is released or (c) when a manual hand control lever is applies.

5 position lever control (0 plus 4 stages) with this command the driver manually activates the retarder braking power in stages of 25%, 50%, 75% and 100% as needed.

By means of mounting a pressure transducer or (4) independent pressure switches in line with the vehicle air brake line, allows the driver to activate the retarder in 4 stages when applying the brake pedal. The (4) relays will close independently in stages depending on driver brake pedal pressure. Each rely or “STAGE” once closed will result in the retarder to produce 25% of its total output torque, meaning that when all 4 relays are closed 100% output torque is achieved resulting in 85% vehicle braking before the foundation brakes are engaged.

Deactivates the retarder when the vehicle is moving below 2mph or is stopped, thus avoiding unnecessary energy consumption when the retarder does not apply braking. It should be installed whenever the brake pedal control is used and is recommended when installing the manual control only.

Disables the retarder when an ABS event occurs, thus the ABS has full control of the braking on each wheel. When the ABS event is over, the retarder will resume braking one stage at a time.

Indicator light that is installed on the dashboard and indicates to the driver that the retarder is active.

Indicator light installed on the dashboard indicating to the driver that the retarder is active and displays the power level output.

Electronic retarder control system

State of the art fully electronic retarder control module (ECS) developed for PWM (Pulse Width Modulation) supplying power to the retarder coil circuits equally and proportionally. The percent of braking can be activated through the manual hand control on the dashboard or a pressure transducer that monitors the pressure of the vehicle's brake pedal output voltage. The ECS module is fully compatible with CANBUS SAE J1939 communication, monitoring ABS and vehicle speed (VSS) to allow retarder disable at low speed and when an ABS event occurs. It also has true interface communication via CANBUS SAE J1939, thus expanding the possibilities of retarder management including a self-diagnostic feature. Custom-made applications are also possible due to the great versatility of the system.

5 position lever control (0 plus 4 stages) with this command the driver manually activates the retarder braking power in stages of 25%, 50%, 75% and 100% as needed.

By means of mounting a pressure transducer in line with the vehicle air brake line, allows the driver to activate the retarder when applying the brake pedal. Depending on the drivers brake pedal pressure, the transducer sends a voltage signal to the ECU allowing the retarder to produce between 0-100% output torque. The retarder will handle up to 85% of the vehicle braking before the foundation brakes are engaged.

Function controlled thru the KLAM POWER MODUL (ECS) and the vehicle CAN communication. Deactivates the retarder when the vehicle is traveling below 2mph or is stopped.

Function controlled thru the KLAM POWER MODUL (ECS) and the vehicle CAN communication. Disables the retarder when an ABS event occurs, thus the ABS has full control of the braking on each wheel. When the ABS event is over, the retarder will resume braking gradually from 0-100%.

Indicator light that is installed on the dashboard and indicates to the driver that the retarder is active.

4-LED indicator lights installed on the dashboard and indicates to the driver that the retarder is active and the power it is using.

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