How to set up Load Balancing using a Modbus Meter on your Project EV Car Charger

These instructions refer to the Eastron SDM 630 meter and should be installed alongside three phase chargers:

 Meter Wiring diagram

•  Install the 3 CT clamps provided with the Modbus meter around each supply phase and connect into the meter using the RJ45 cables
• 3 phase supply connections:
  • L1 - V1
  • L2 - V2
  • L3 - V3
  • N - N
• Auxiliary supply for screen (Aux P/S):
  • Link required L1 - L
  • Link required N - N
• 2 core belden or equivalent cable to be supplied from B- and A+ to the charger

A full, in-depth user manual can be found at EastronEurope.com

Charger Wiring

• Located at bottom left of PCB (as shown in picture below)
• Use either 485A or 485B (Do not connect one wire into 485A and one wire into 485B as this will show a fault on the unit)
• Do not connect one wire in 485A and another in 485B. This will cause 485 fault on the
  charger when completed
• 2 core Belden cable or equivalent from B- and A+ connection on the modbus meter

Parameter Settings

Power Allocation Charge - Enabled

Load Balancing Meter Type - Eastron SDM 630

Load Balancing Meter Address - Located on the meter screen (if purchased from Project EV, this value should be "1")

External Max Limit Power - 13kW (60A main fuse)                                                                                                                                                                    16kW (80A main fuse)                                                                                                                                                                     23kW (100A main fuse)

FOR FURTHER SUPPORT ON A WIDE RANGE OF FUNCTIONS, PLEASE VISIT Project EV - YouTube