Solplanet SH 2-6 kW with RS485 cable with GridZeno.

Solplanet SH 2-6 kW with RS485 cable on the compatibility list, updated 31 October 2026.

• Live overview of solar, consumption and gridAll subscriptions · Grid and consumption require Solplanet's energy meter.
  Works
• Battery state of chargeAll subscriptions · requires a battery
  Works
• Stop selling at negative pricesSmart and Pro · Requires the installer to have turned export limiting on in the inverter. GridZeno only lowers a limit that's already set. Solplanet's limit applies to the inverter's whole output, not just the export.
  Works
• Charge from the grid when power is cheapSmart and Pro · requires a battery
  Works
• Discharge the battery when power is expensivePro · requires a battery
  Works

Works: tested and measured on real hardware.

The dongle controls the battery with the inverter's operating mode.

Charge, hold and sell

The inverter is set to the user-defined mode with the battery's power. The plan's target and floor are written to the inverter's limits while the command is active.

Back afterwards

The dongle saves your own mode and puts it back afterwards. It only takes over from self-consumption or backup.

Stop selling at negative prices

The inverter's output is set quarter by quarter by the selling price, but only where the installer has turned the limit on. Solplanet's limit applies to the inverter's whole output, not just the sale to the grid. The dongle sets the installer's value back afterwards.

Manual

When the control is on Manual, the dongle changes nothing on the inverter. It reads, and if GridZeno has changed something, it puts the inverter's own settings back, including your own charge limits.

The storage block from input 1600 can be read, so it's a hybrid, and input 1000 says single-phase.

When the dongle takes over

Only from self use (2) or backup (3), and not while storage is switched off (41102 = 1). Your mode is saved and put back.

If the dongle goes quiet

The command doesn't expire. With protocol V2.1.4 or newer, the plan's target is in 41154 and the floor in 41155, so the inverter stops there by itself.

How it differs from its neighbours

• Solplanet hybrid with RS485 cable: The three-phase hybrids are controlled the same way, but are connected in the Monitor port with pins 1, 2 and 3. On an ASW TH the battery isn't controlled.

For the installer: the registers

What the dongle uses over Modbus, if you want to follow along or troubleshoot. Don't change the registers yourself while control is set to Automatic.

Control

Run mode 41104 = 4 and the power in 41153 (W, minus is charging).

Identity

Input 1000-1029: 1000 is 3 on a three-phase unit, the model is in 1018-1025 and the rated power in 1027-1028. The model code in 31073: 1-5 are grid inverters, 11-16 hybrids.

Export limit

44001 is the installer's switch, 45403 the limit in 0.01 % of the rated power.

Address

3 from the factory, never 0.

From the dongle's firmware and our notes on each inverter, not from the datasheet.

Network cable with RJ45 plug. Approx. 30 minutes. Needs an electrician: the inverter has to be opened.

Port

Monitor (CN710)

Pin

A at pin 7 (RS485A), B at pin 8 (RS485B), GND at pin 3 (GND)

Where

On the communication board behind the lower front cover. The cable is led in through the cable gland COM2, or COM1 if the cable is thicker than 6 mm.

See the full installation guide for Solplanet SH 2-6 kW with RS485 cable

GridZeno Dongle for Solplanet SH 2-6 kW with RS485 cable

This one works.

Solplanet SH 2-6 kW with RS485 cable is the inverter GridZeno has been tested on. Check that your model is under ASW002K to 006K-SH, and that a battery is fitted if you want the battery controlled by the electricity price. If it still doesn't suit you, you have 100 days' free return.