Reva L-ion, Owner'S Manual, Page: 91 / 106

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11.3 EMS
Key Technologies
ENERGY MANAGEMENT
SYSTEM (EMS)
The EMS is a on-board computer
system that optimises the flow of
energy, by monitoring the energy
output of the Power Pack. It maximises
the operating range and improves the
performance of your Reva.
Functions:
• It interfaces with other on-board
electronics for system diagnostics.
(e.g. Brake fluid, sensor, door switch
sensor, etc.)
• It provides State-Of-Charge (SOC)
or energy level in the Power Pack.
• It interfaces with the IP cluster to
enable various lamps to function.
These include:
1. Charge Light
2. Power Pack Low Battery Water
Light.
3. Low battery light.
4. Parking Brake ON in drive mode.
5. Low Brake Fluid level.
6. Neutral light.
7. Temperature light.
8. Hi power and Regen light.
9. Encoder fault light.
• It interfaces with the Charger and
the Motor Controller.
It records:
1. Vehicle Identification data
2. Power Pack Warranty
Management data
3. Power Pack error and repair data
4. Detects failures in the vehicle
electronics and turns ON the
Service Light.
5. Equalizes the batteries during
every charge process.
6. Enables and controls quick
charging
7. Keeps the battery warm in cold
weathers
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