EAE ORIA Product Manual
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Product Manual Oria ThermostatEAE KNX Oria Thermostat Oria Thermostat PM R1.0©EAE Technology www.eaetechnology.com Sayfa 31 / 50“Status Operating Mode” is visible when “Status Comm Object Type” is “1 byte”. Values for differentoperating modes;0: Comfort Mode, 1: Night Mode, 2: Away Mode, 3: Protect Mode.“Status Comfort”, “Status Night”, “Status Away” and “Status Protect” are visible when “Status Comm ObjectType” is “4 bits”. When “Status Comm Object Type” is “4 bits” and an operating mode switchover occurs a“False (0)” telegram will be send from previous operating modes communication object.For example; while in Night mode and “Enable Away Mode” telegram received,Status Night -> FalseStatus Away -> TrueTable274.4.3 Control TypesThermostat uses 5 different control types; these are PI Continuous, PI PWM, On/Off, Fan Coil and Split.Operation of every control type explained in the following chapters.Control Type Output Type FanPI Continuous PI 1 byte (%0…%100) DisabledPI PWM PI 1 bit (On - Off) DisabledOn/Off On/Off 1 bit(On - Off) DisabledFan Coil PI 1 byte (%0…%100) EnabledSplit None None EnabledTable 284.4.3.1 PI ContinuousUses PI algorithm to calculate control signal and 1 byte (%0…%100) floating values as output, PI values shouldbe selected compatible with the room that wants to be controlled. Default values are given for an averageroom and for different rooms PI values must be readjusted for better performance. As a general rule;KP value: Changes the speed of the control and decreasing KP value increase the control speed. If given toolow might cause overshoot, and given too large cause control to operate too slow.KI value: More inactive the system smaller KI value should be.Note finding optimum values for a specific room might require some trial and error. Using default values as areference point and increase and decreasing these values according to the directions given above mightincrease controller performance.4.4.3.2 PI PWMUses PI algorithm as controller to calculate control signal and 1 bit value as output, since PI algorithm outputs 1byte floating value PWM method used to realize this output as 1 bit. PWM (Pulse with Modulation) requires aPWM cycle as period and uses control output to calculate duty cycle. For example, PWM cycle: 10 min, PIoutput: %20, Then an “on” telegram will be send at the beginning of 10 min cycle and “off” telegram at10*20/100 = 2 min. Note that PI values and PWM cycle should be selected appropriate to room. As a generalrule more inactive the system larger the PWM cycle should be. |
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