Autel charging stations

Supported Devices

Device Type	Variants	Modbus TCP (Ethernet)	RS485
MaxiCharger DC Compact	40 kW	✅	✅
MaxiCharger DC Fast	40–240 kW
MaxiCharger AC Ultra	2 × 22 kW		❌

Wiring

Ethernet

For correct Ethernet wiring, follow the guidelines for Ethernet wiring.

RS485

RS485 Wiring

• For correct RS485 wiring: Follow the guidelines for RS485 wiring.
• If the wiring shown in the table below is incorrect, please let us know.
• There is no general consensus in the industry about the usage of A and B for the RS485 polarity, so it may be counterintuitive and opposite of what you might expect for some devices.

Device	SmartgridOne Controller model OM1	SmartgridOne Controller model IG8	RS485-USB converter	RS485-Ethernet converter
	RS485 A	RS485_POS	RS485 A	TX+
	RS485 B	RS485_NEG	RS485 B	TX-
	RS GND	GND	Not available	G

Configuration

After the electrical installation of a charger is complete, follow these steps to configure communication with the SmartgridOne Controller.

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MaxiCharger DC Compact and DC Fast

Step 1 – Access the Local Service Portal

1. On the charging station’s touchscreen, go to the Home screen.
2. Double-tap the upper-left corner of the screen.
3. Tap Device Maintenance.
4. Enter the password — the last six digits of the serial number found on the product label.

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Step 2 – Set Modbus Parameters

1. Tap Set Parameters.
2. Wait for the system to load data.
3. Configure communication settings as follows:

For Modbus TCP (Ethernet)

• OCPP IP: IP of the SmartgridOne Controller (e.g. 192.168.1.100)
• OCPP PORT: 502
• MGR IP / URL / PORT: Optional management platform details
• Running environment: Select correct region (EU, UK, USA, etc.)

For Modbus RTU (RS485)

• Modbus Slave Address: Unique ID (1–247)
• Baud Rate: 9600
• Parity: None
• Data Bits: 8
• Stop Bits: 1

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Step 3 – Save and Verify

1. Tap Save. The system will restart with the new settings.
2. Wait for about 1–2 minutes until boot completes.
3. On the Home screen, check the Internet connection icon:
   • ✅ Connected — icon shows a network link
   • ❌ Disconnected — icon shows “x”; check cables or settings

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MaxiCharger AC Ultra

Step 1 – Power On and Initial Setup

1. Switch on the power to the charger.
2. The charger will launch the setup wizard.
3. Follow the on-screen steps:
   • Select the language.
   • Connect via Wi‑Fi, Ethernet, or Cellular.
   • Set time zone.
   • Set maximum input current to match grid capacity.

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Step 2 – Access the Maintenance Menu

1. On the Standby Screen, tap the currency ($) icon (bottom-left corner).
2. The Cost Details screen will open.
3. Double-tap the top-left corner to enter the maintenance menu.
4. Tap Device Maintenance.
5. Enter the last six digits of the charger’s serial number.

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Step 3 – Configure Modbus TCP Settings

1. Tap Set Parameters.
2. Fill in the following fields:

Setting	Description	Example
OCPP IP	IP address of the SmartgridOne Controller	192.168.1.100
OCPP PORT	Modbus port number	502
MGR IP/URL/PORT	Optional backend connection details	–
Running Environment	Corresponding operating region	Europe

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Step 4 – Save and Verify

1. Tap Save to confirm and restart the device.
2. Once restarted, confirm the connection icon shows active network status.