Solar Monitor is a modular system. Our modules add extra functions. HBUS connects the modules to DIN with a simple click, no other connecting necessary. Info on particular modules:

SM2 - AD (Analog Digital)

Extends the number of inputs and outputs (for other appliances, sensors and output relays).

SM2 - PC (Power Control)

Controls PV plant’s production according to consumer’s instructions.

SM2 - DI (Digital Inputs)

Increases the number of devices that can be connected to the Solar Monitor unit with digital inputs.

SM2 - GSM (GSM Modem)

Enables sending information via text messages.