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13
Chapter 2: Module Balance
GRX-5100 Hyundai
Use this function to charge or discharge a module of a
battery pack according to manually entered target
voltage, to bring it in balance with the other modules
of the pack.
Hazardous voltage.
An improper connection can result in
electric shock
To avoid electrical shock or burn, never alter
the GRX-5100 Hyundai’s original AC cord and
plug. Disconnect plug from outlet when GRX-
5100 Hyundai is idle.
IMPORTANT: Make sure to properly prepare the bat-
tery pack by following all required Hyundai guidelines
Refer to your Hyundai documentation for complete in-
formation.
Before balancing a battery module, make sure all of the
external components connected to the GRX-5100 Hyundai are
in good working order.
Parameters
Discharge
– Discharge mode set to constant current – constant voltage
– Maximum discharge current is 7.5A or module max
Charge
– Charge mode set to constant current – constant voltage
– Charge current is 5.0A or module max
– Failsafe timer set to 12 hours
Procedure
1. Select the Module Balance icon.
2. Select the module classification.
1
AE MODULE
2
TEV MODULE
3. Select the module type.
1
EV
2
HEV
3
PHEV
4. Select the specific module to be balanced.
5. If you are wearing the appropriate personal protective
equipment for high voltage service, select YES.
6. Select the correct TARGET VOLTAGE.
28.00
V
The GRX-5100 Hyundai performs a Self-Test before
advancing to the next step.
7. Connect the High Voltage cable from the GRX-5100 to the
module.
8. Connect the Cell Voltage interface Cable from the BCU-64
to the Module.
9. For modules that have readable temperature sensors,
connect the Temperature Sensors Interface Cable from
the BCU-64 to the Module.
10. Press NEXT to continue. The BALANCING status screen is
displayed.
11. Use
or
to scroll to the Cell Voltage and Temp Sensors
screens.
NOTE: For CELL VOLTAGE, depending on the bat-
tery type, 4 or 8 cell voltages will be displayed. For
TEMP SENSORS, depending on the battery type,
3, 5 or 6 temperature sensors will be displayed.
Results
Following a successful Manual Balance session, the results
are written to an inserted USB jump drive. The results are
displayed on the GRX-5100 Hyundai using multiple screens.
1. Use
or
to scroll through the screens
2. Use
or
to scroll to the Cell Voltage and Temp Sensors
screens.
3. Press EXIT to return to the Main Menu.
The GRX-5100 Hyundai can now be disconnected from the
battery module.
Chapter 2: Module Balance