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Room temperature controller functions:
General
• 5 operating modes: Comfort, standby, night, frost/heat protection and controller disable
• Operating modes switch-over via 1-byte object according to KONNEX or individual 1-bit objects.
Heating/cooling system
• Control options: heating", "cooling", "heating and cooling" each with or without additional stage.
• PI control (continuous or switching PWM) or 2-state control (switching) adjustable as control algorithms.
• Continuous (1-byte) or switching (1-bit) actuating variable output.
• Control parameter for PI controller (if desired: proportional range, integral-action time) and 2-state
controller (hysteresis) presettable.
Setpoint values
• Each operating mode can be assigned its own temperature setpoints (for heating and/or cooling).
• The setpoints for the additional stage are derived via a parameterizable stage offset from the values of the
basic stage.
• Setpoint value shifting by local operation on device or via communication objects.
Functions
• Automatic or object-oriented switch-over between "heating" and "cooling".
• The controller operation can optionally be disabled via an object.
• Parameterizable duration of the comfort mode extension.
• Complete (1-byte) or partial (1-bit) status information parameterizable and transmissible to the bus via an
object.
• Deactivation of the control or of the additional stage via different objects possible.
Room temperature measurement
• Internal and external room temperature sensor available.
• Internal to external determination of measured value with enabled external sensor.
• Request interval of external temperature sensor adjustable.
• The actual and setpoint temperature can be output to the bus if a parameterizable deviation is detected
(also cyclically).
• The room temperature measurement (actual value) can be adjusted separately for the internal and
external sensor via parameter.
• Frost/heat protection switch-over depending on window state.
• Temperature alarm with upper and lower temperature limit possible. Telegram activation via two separate
objects.
Actuating variable output
• Separate or combined actuating variable output via one or two objects in "heating and cooling" mode
• Normal or inverted actuating variable output parameterizable
• Automatic transmission and cycle time for actuating output parameterizable
07/17
Subject to change without notice
instabus KNX/EIB System
Sensor
2100-xx/2101 xx Page 7/82
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