E3DC Inverter

Installation

1. 1Log into the S10 web portal and enable Modbus TCP under the network settings.
2. 2Note the S10 IP address and set a DHCP reservation in the router.
3. 3In ModbusCloud, add a Modbus TCP device at the S10 IP, port 502, slave ID 1.
4. 4Import the E3DC Inverter template. Power readings appear immediately, typically within one polling cycle.

Things to watch for

01

Grid power is positive when I am exporting. Is the sign wrong?

Double-check how E3DC defined the register for your firmware. Historically some versions define positive as import, others as export. The ModbusCloud template exposes the raw int32 and you can flip the sign in a derived metric on the dashboard if your expectation is different.

02

Can I write to S10 registers to force a charge or discharge?

Not through this template. E3DC locks external write access and only authorised partners or the S10 manager app can change control registers. If you need programmatic control, contact E3DC about their partner programme.

Registers (7)

7 read / 0 write

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