
Hoval PV-Heater
Hoval
Controls Hoval PV-Heater power stages and temperature limits via Modbus TCP or RTU.
Overview
Key readings
- Temperature
- Emergency Mode
- Actual Load
- Actual Temperature Limit
Available commands
- Power Step

Hoval
Controls Hoval PV-Heater power stages and temperature limits via Modbus TCP or RTU.
4 read / 4 write
| Name | Address | Function | Type | Unit | Access |
|---|---|---|---|---|---|
Temperatur Aktuelle Isttemperatur | 325 | FC04 | float32 | °C | R |
Emergency Mode Notbetrieb | 108 | FC04 | uint16 | R | |
Actual Load Aktuelle Leistung | 110 | FC04 | uint16 | kW | R |
Actual Temperatur Limit Aktuelles Temperaturlimit Sollwert | 640 | FC04 | uint16 | °C | R |
Power Step Heizstufen | 200 | FC06 | uint16 | W | |
Load Setpoint Positiver Laststollwert | 201 | FC06 | int16 | W | W |
Load Feedin Negativer Laststollwert | 202 | FC06 | int16 | W | W |
Temp Limit Temperaturlimit Sollwert | 597 | FC06 | uint16 | °C | W |
ModbusCloud is the hardware-plus-software platform that installers use to monitor, visualise and control Modbus devices from one portal. This template is one of hundreds you can use right away.

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