Siemens RDG400 manual Engineering, Connection terminals

Page 35

6 Engineering

6.1Connection terminals

G X1 M X2

D1 GND

SELV

G, G0 Operating voltage AC 24 V

Y10/G0 Control output for DC 0…10 V actuator

Y1/G, Y2/G Control output for 2-position, PWM or 3-position actuators

X1, X2 Multifunctional input for temperature sensor (e.g. QAH11.1) or potential-free switch

Factory setting:

-X1 = external room temperature sensor

-X2 = sensor or switch for automatic heating / cooling changeover

M	Measuring neutral for sensor and switch
D1, GND	Multifunctional input for potential-free switch.
	Factory setting: Operating mode switchover contact

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Siemens	RDG100, RDG100T, RDG110, RDG140, RDG160 Basic Documentation	CE1P3182en
Building Technologies	Engineering	28 May 2009

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Contents Edition CE1P3182en 28 May Building TechnologiesTable of contents Before you start About this documentRevision history Reference documentsDocument use / request to the reader Brief description Types and featuresFeatures SummaryEquipment combinations SSA81 SSP81… SSB81 SSD81 SQS85… AccessoriesUse OrderingDescribed in section Temperature controlFunctions General noteOperating modes Comfort mode Energy Saving Protection modeSetpoints Single duct With Electrical Heater Comfort mode Energy Saving Protection mode ApplicationSetpoints and sequence Single duct With min/max LimitationWith heating Cooling coil Comfort mode Energy Saving mode ApplicationHeating mode Cooling mode Single duct Protection mode Heating mode Cooling modeApplications overview Additional features Limitation function Temperature sensorExternal / return air Floor heatingComf Extension Prot Absence Not available Eco Sec after the last adjustmentButton lock Locked or unlocked by pressing the right button for 3 secApplications and sequences Sequences overview setting via parameter P01Parameter P01 = Sequence Mode Control sequencesPosition Function of the control outputs is set via DIP switches 4Single-duct heating / cooling coil DIP Y10 = … 10 10 … 0 V invertedModulating control 3-position, PWM or DC 0 … 10 Setting the sequence and the control outputsSingle duct Heating or coolingModulating electrical heater Single duct with electrical heaterSequences Modulating radiator / floor heating Single duct with radiator or floor heatingModulating heating / cooling coil Single duct with heating / cooling coilControl sequence Synchronization Control outputsControl output for air flow ON/OFF control signal Parameter P44 Y1 and Y2 SignalPosition control Position actuatorAI/DI Multifunctional input, Digital inputRange Handling of faultsDIP switches Temperature outChange the parameters as follows Parameter settingControl parameters Service level Parameters Service levelExpert level Parameters Expert level, diagnostics & testDiagnostics & test Mounting Mounting and installationWiring HandlingUser action OperationLayout Button operationLCD display DisposalConnection terminals EngineeringConnection diagrams General DimensionsMechanical design Power supply Outputs Inputs Operational data Technical dataPage Automatic heating/cooling changeover Index

6 Engineering

6.1Connection terminals

D1 GND

D1, GND