Installation Manual

Technical data
51
10.12.2
Ethernet cable specifications
Parameter Specification
EVSE connector type
RJ45 Modular jack
Cable type
Category 5 (Cat 5)
10.12.3
RS485 cable specifications
The RS485 cable specifications apply to smart meter ModBus RTU communication.
Parameter Specification
Connector type for the EV charging sta-
tion
Terminal block plug and screws
Conductor type
Twisted pair, shielded cable (recommen-
ded)
Conductor size for the terminal block
plug (allowed)
Conductor size for the terminal block
plug (recommended)
Europe (IEC) cross-sectional area: 2.5
mm
2
to 0.5 mm
2
North America (UL): 12 AWG to 30 AWG
Minimum 24 AWG (0.5 mm
2
)
Strip length 5 mm
Terminal connections
485A: RS485 Positive/A/D0
485B: RS485 Negative/B/D1
Common isolated ground for shielded
cable
ModBus RTU baud rate 9600 bps
ModBus RTU bus primary/sondary EVSE is Modulus primary/secondary
configurable via TerraConfig app
Consult your local electrical codes and the wiring requirements of your smart
meter device for the correct wire size.
The wire AWG and cross-sectional area are based on the copper wire type.
10.12.4
Dry contacts input
The dry contacts input is the single contact provided by the user.
Parameter Specifications
EVSE connector type Terminal block plug and screws
Wire size for the terminal block plug (al-
lowed maximum)
Wire size for the terminal block plug
(recommended)
2.5 - 0.5 mm
2
(Europe)
12 - 30 AWG (North America)
24 AWG (0.5 mm
2
) minimum