Connect The Wires For The Smart Meter Communication; Insert The Nano-M2M Sim Card - ABB Terra AC Installation Manual

Electrical installation
7.4.4

Connect the wires for the smart meter communication

Connect the smart meter with ModBus RTU (RS485) to the EVSE.
Preliminary requirements
Procedure
1. Remove the plug (A) of the terminal
2. Connect the wires:
3. Tighten the screws to the correct
4. Install the plug on the terminal block.
7.4.5

Insert the Nano-M2M SIM card

Preliminary requirements
Procedure
1. Insert the Nano-M2M SIM card (A) into
36
• Slotted screwdriver
block (B) from the terminal block (B) of
the smart meter connection.
a. Connect the positive wire (C).
b. Connect the negative wire (D).
c. If the smart meter has an earthing
wire, connect the earthing wire (E).
torque. For the specification, refer to
section 10.14.
• A Nano-M2M SIM card from the provider of the mobile network. Refer
to section 10.11.
the socket (B). Make sure that the
position of the connection points is
correct.
• Smart meter with ModBus
RTU interface
• Wire for RS485. Refer to
section 10.12.3. Obey the
local rules for the correct
wire insulation rating.
A
B
C
D
E
A
B