Press Release

11th April 2010
Beckhoff Building Automation: BC9191 compact Room Controller bundles functions for single room control
All-in-one: compact Room Controller is modularly extendable

With the BC9191 Room Controller, Beckhoff is extending its range of products for building automation and closing a gap in the price-sensitive area of single room control. The compact Ethernet controller covers all standard functions for the control of single rooms. Via the integrated K-bus interface, the BC9191 can be extended modularly with Beckhoff Bus Terminal I/O, offering users the greatest possible flexibility.

Multi-system room automation is of great importance both for efficient operation of buildings and for the individual comfort of the users and, over and above that, to offer substantial savings potential. In the Beckhoff I/O system, an extensive range of over 400 Bus Terminals is available to building technicians for the connection of all building sensors and actuator systems.

The new BC9191 Room Controller closes the gap in very price-sensitive projects with firmly defined functions. By bundling certain functions in one module, the compact Room Controllers are ideally suited, for example, for installation in hotel rooms or office spaces. Rooms or areas with repetitive requirements only require one-time programming of the Room Controller, which is then simply duplicated, depending on the number.

The BC9191 can be used as a compact controller or as decentralized intelligence for room control. Pre-installed software functions facilitate commissioning. On top of that, the BC9191 can also be freely programmed using TwinCAT automation software from Beckhoff. For networking, the room controller is equipped with two Ethernet ports with integrated 2-channel switch. The I/O stations can thus be configured with a line topology, instead of the classic star topology.

In order to implement additional functions, the BC9191 Room Controller can be modularly extended with the entire range of Bus Terminals via the K-bus interface. Standard Bus Terminals and the sub-bus systems relevant for building automation, such as EnOcean, LON, EIB, DALI and M-bus, are optionally expandable.

Integrated I/O signals:

  • digital inputs:
    • 3 x 24 V DC (e.g. window contact, dew point, occupancy sensor)
  • analog inputs:
    • 3 x 0...10 V (e.g. CO2 sensor, air quality sensor, brightness sensor)
    • 1 x PT/Ni1000 (-20…+60 °C) for air temperature measurement
    • 1 x resistance measurement for set value specification
  • digital outputs
    • 1 x 230 V AC, 10 A, relay (e.g. water re-heater)
    • 3 x 230 V AC, 1 A, relay (3-stage fan)
    • 2 x 230 V AC, 1 A, triac (e.g. valves for heating and cooling)
  • analog outputs:
    • 2 x 0…10 V (e.g. volumetric air flow controller)

www.beckhoff.com/BC9191

Press picture

  • The Beckhoff BC9191 Room Controller with integrated control functionality represents a compact, low-priced solution for single room control that makes Ethernet available in each room.

    Picture caption:

    The Beckhoff BC9191 Room Controller with integrated control functionality represents a compact, low-priced solution for single room control that makes Ethernet available in each room.

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Further information:

Building Automation

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