DFF4.1

DFF4.1
Developer	Alexander Christian
Status	Version 1.0 finished
Microcontroller/Board	M0dularisM+
KNX connectivity	Siemens BCU, Eugen's µBCU

Description

The purpose of this actuator is, to control Roto Rototronic skylight with shutters and/or sun blinds. It has 4 "channels". Each channel internally uses two relays: One for the open-action, and one for the close-action.

This actuator consists of the following REG parts:

• M0dularis+
• 8x Button + 8x LED
• 8x Relay Bistable, bus powered (8 relays in total, 2 for each channel = 4 channels).

Of course you can also control your Roto Rototronic skylight with help of a standard switch-actuator. But then you don't have the possibility to "open the window 75%" or "close the shutter 80%". The firmware for DFF4.1 provides all this neat feature that you know from typical shutter/blinds actuators.

Build It

I2C address on application board:

A0: 1
A1: 0 
A2: 0

I2C address on frontend board:

A0: 0
A1: 0
A2: 0