Wallbox P1 Port Installation Guide for Pulsar Plus, Commander 2, Copper SB, Pulsar Max, Quasar

Step 1: Check P1 Port Activation

Depending on the country, the P1 port can be already activated or not. Contact the utility company to check the status and proceed with the activation when needed.

Step 2: Mount and Connect P1 Port Meter

Fix the P1 Port meter to the DIN rail. Then, connect the RJ12 connector to the utility meter and the Wallbox P1 metering solution.

Diagram showing a smart meter with a connection port labeled 'HAN/P1'.

Diagram illustrating the P1 Port meter mounted on a DIN rail, with an RJ12 connector linking it to the utility meter and the Wallbox P1 metering solution.

Step 3: Wire P1 Port to Charger

Look at the diagram to check how to wire P1 Port to a charger.

Wiring diagram showing the P1 Port connections to a charger. The P1 Port has pins labeled +5V, GND, PWR, P1, 485, D-, D+, S, DD+. The charger connection points are also indicated.

⚠️ The P1MB is connected via an RJ12 connection to the P1 Port. The device is powered by the +5V of the P1 Port of the connected smart meter. If not available, the P1MB can optionally be powered by an external adapter connected to the DC power interface.

Step 5: Check P1 Port LED Status

Once the installation is completed and the charger is configured, check the P1 Port's LED lights:

Power Status LED - Yellow

If the yellow light is on, the P1 Port is powered, while the device is not powered. If the LED is off, the device is not powered.

Diagram of the P1 Port device showing the Power Status LED (Yellow).

P1 Status LED - Green

If the green light is on, P1 data was received with the correct CRC. If it is off, no P1 data was received from the smart meter within the last minute.

Diagram of the P1 Port device showing the P1 Status LED (Green).

Modbus Status LED - Red

If the red light is on, a valid Modbus request was received within the last minute. If it is blinking, some data was received, but no valid Modbus request was received. If it is off, no data was received in the past 6 minutes.

Diagram of the P1 Port device showing the Modbus Status LED (Red).

⚠️ Wallbox does not allow splitters on the connection. For this reason, if another hardware is connected to the P1, Wallbox recommends other alternatives for the Power Boost meter, such as Wallbox EM112, Wallbox N1 CT, Wallbox EM340, or Wallbox EM330.

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How to install P1 Port