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Load Management Connections - LEGRAND Green'up One Installation Manual

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0 570 15 / 0 570 17:
A combined device with residual current circuit breaker and over
current protection (RCBO) is integrated.
A label set of RCBO testing instructions is included in the delivery.
Attach a language specific label on the installation box hatch.
Connect these charging station models to a 3-phase supply, other-
wise the RCBO test button does not work.
Do not connect these charging station models to an IT network.

6.2. Load Management connections

Connect external control devices for load management to the pre-installed connector.
Note! Load management does not support IT earthing system.
If devices for load management functions are connected to the charging station, change the respective set-
tings in the Charger Control Application.
Energy meter
Supported energy meters, see the table on page 41.
Connect the energy meter to terminals 1 [+], 2 [-] and 3 [SG].
Use a twisted pair instrumentation cable RS-485 when you connect the energy meter to the charging
station.
Recommended cable type: BELDEN 9842 / 3106A or similar.
The system has been tested with 100 m cable length.
Make sure that the signal wires are connected correctly to the energy meter.
Mind that the Modbus default parameters of the energy meter and the charging station must be coher-
ent
Modbus Address: 5
Baud rate: 19.200
Databits: 8
Parity: pair (even)
Stopbits: 1
If necessary, configure the values of Modbus Address, baud rate and parity in the Charger Control Appli-
cation "Settings/Charger settings/Property energy meter" (in PRO mode settings see page 44). You can
configure the databits and stopbits values in the energy meter settings.
If there are communication problems on the RS-485 transmission line, such as echoes and reflections,
terminate the line with an 120Ω resistor (not included). See the energy meter instructions for more in-
formation.
LERAK131B-FRENIT/20230502
EV Charging Station
TN / TT network
1
3
5
N
QF1
PE
2
4
6
N
PE L1 L2 L3 N
Supply
Cu 2.5 - 10 mm²
35 / 68

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