Controllers

for the control and regulation of building systems such as heating, cooling, ventilation and room climate control systems.

Freely-programmable controller for processing analogue and digital input and output signals.

4 analogue inputs 0/4–20 mA

4 analogue inputs 0/2–10 V

5 analogue Pt1000 inputs

8 digital inputs 24 V DC, optically decoupled

4 analogue outputs 0–10 V

8 digital outputs 4 relays + 4 solid state relays

MBUS communications port

RS232/ RS485 or Ethernet communication

USB communication for PC

Pre-programmed for variants:

- Transformer stations in direct or indirect district heating grids

- Transformer station for sanitary warm water with hot water tanks heated by electricity or by heating water

- Ventilation or room climate control systems Voltage 230 V AC/24 V AC +/- 10%, 50 Hz.

Electrical output max. 15 W

Ambient temperature 0–50°C

Protection class IP 40

Installation on DIN rail 35 mm

Optional accessories must be ordered separately:

- Operating unit with LCD screen F 7793 31 or

- Operating unit for remote adjustment F 7793 61.