Confirmed device configurations

Modbus settings that users have successfully applied with specific devices.

This page lists firmware v2 configurations that users have successfully applied with specific devices. Use it as a practical starting point when configuring a Smart Meter Modbus Adapter and the connected device.

Device	Mapping	Modbus device ID	RS485 settings
TeltoCharger	Default - TeltoCharge	43	38400 8E1
Growatt THOR	SDM630	2	9600 8N1
Deye battery/inverter system (model not specified)	SDM630	1	9600 8N1
Wallbox charger with Smartstuff D1MC (P1MB replacement)	Wallbox - P1MB	1	9600 8N1

These configurations are based on successful user installations. They are not a guarantee for every model or firmware version. Configure the same device ID and serial settings on both sides of the Modbus connection.

If your device is not listed, select the mapping and communication settings specified by its manufacturer. The Modbus request monitor can help diagnose the connection.

For the confirmed Wallbox/D1MC installation, connect Wallbox D- to D1MC B- and Wallbox D+ to D1MC A+. See Wallbox - P1MB for the settings and wiring details.