General
Other bus systems	Other
Assembly arrangement	Basic element with adapter plate
Mounting method	Flush mounted (plaster)
Material	Plastic
Material quality	Thermoplastic
Surface protection	Untreated
Surface finishing	Matt
Colour	Black
Degree of protection (IP)	IP20
Number of digital inputs	5
Bus system KNX
Bus system KNX radio
Bus system radio frequent
Bus system LON
Bus system Powernet
With local operation
With anti-theft/dismantling protection
With display
Transparent
Manual set point setting
Presence button
Parallel-service possible
Bus connection included
External sensor

Room temperature controller without >local operation< including base for central plate cooling section. Universal input with: - max. 5 binary inputs - 4 binary inputs and 1 analog input for controlling sensors with external power supply 1-10V/0-10V - 2 binary inputs and 1 analog input for controlling sensors with external power supply 1-10V/0-10V and an external temperature sensor PT1000 / 6226T / DP4-T-1. Can only be used with a central plate 2114-xxx or 6541-xxx, except 6541-20, -21, -260 and -266. With integrated temperature sensor. Master/slave operation. With base load operation. The bus connection is made via the enclosed bus terminal. Class of the temperature controller: 1 Contribution to room heating energy efficiency: 1.0%. From ETS4: Commissioning via native ETS application