DevicesEV charging station

Autel charging stations

Supported Devices

Device Type	Variants	Modbus TCP (Ethernet)	RS485
MaxiCharger DC Compact	40 kW	✅	✅

Amtron

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Autel charging stations Supported Devices Wiring Ethernet RS485 Configuration MaxiCharger DC Compact and DC Fast Step 1 – Access the Local Service Portal Step 2 – Set Modbus Parameters For Modbus TCP (Ethernet)For Modbus RTU (RS485)Step 3 – Save and Verify MaxiCharger AC Ultra Step 1 – Power On and Initial Setup Step 2 – Access the Maintenance Menu Step 3 – Configure Modbus TCP Settings Step 4 – Save and Verify

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

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`

Autel | SmartgridOne Documentation