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State 11/2022 Version 1.1
Technical Manual
MDT Room Temperature Controller
SCN-RT1UP.01
SCN-RT1UPE.01
SCN-TS1UP.01
SCN-RT1APE.01
Further Documents:
Datasheet:
https://www.mdt.de/EN_Downloads_Datasheets.html
Assembly and Operation Instructions:
https://www.mdt.de/EN_Downloads_Instructions.html
Solution Proposals for MDT products:
https://www.mdt.de/EN_Downloads_Solutions.html
MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany
Phone: +49-2263-880 • knx@mdt.de • www.mdt.de
no longer available
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Table of Contents
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Summary of Contents for MDT SCN-RT1UP.01
- Page 1 MDT Room Temperature Controller SCN-RT1UP.01 SCN-RT1UPE.01 SCN-TS1UP.01 SCN-RT1APE.01 no longer available Further Documents: Datasheet: https://www.mdt.de/EN_Downloads_Datasheets.html Assembly and Operation Instructions: https://www.mdt.de/EN_Downloads_Instructions.html Solution Proposals for MDT products: https://www.mdt.de/EN_Downloads_Solutions.html MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 2: Table Of Contents
4.4.3 Setpoint offset ........................21 4.4.4 Lock objects .......................... 23 4.4.5 Heating/Cooling request objects ..................24 4.4.6 Guiding ..........................25 4.4.7 Dead zone ..........................27 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 3 6.4 History ............................41 6.5 Controller types ........................... 42 6.5.1 2-Step control ........................42 6.5.2 PI-control continuous ......................43 6.5.3 PI-control switching (PWM) ....................44 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 4: Overview
An exception is the SCN-TS1UP.01. This is only a sensor for measuring the temperature. There are no integrated temperature controllers at this device. The temperature sensor has its areas of use at the measuring of temperatures for other controllers. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 5: Exemplary Circuit Diagram
The room temperature sensor, SCN-TS1UP.01, is for flush-mounting. It contains also of a bus- connection, a programming button and a programming LED. Housing shape corresponds to that of the SCN-RT1UP.01. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 6: Functions
2.6 Commissioning After wiring the allocation of the physical address and the parameterization of every channel follow: (1) Connect the interface with the bus, e.g. MDT USB interface (2) Switch-on bus voltage (3) Press the programming button at the device (red programming LED lights) -
Page 7: Communication Objects
Parameter read in 1 Bit DPT_HVAC Status Send controller status 1 Byte Error external Sensor Error message 1 Bit Actual setpoint Send setpoint 2 Byte MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 8 The flags allocate the function of the objects in the programming thereby stands C for communication, R for Read, W for write, T for transmit and U for update. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 9: Reference Ets-Parameter
The SCN-TS1UP.01 is a pure temperature sensor, which does not contain of any controller functions. Therefore, only the menus 4.2 Temperature measurement 4.3 Alarm/Messages are shown and can be configured. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 10: Temperature Measurement
When this function is activated, the temperature controller will also send the corrected values. All sensors are matched in-plant to 0,1K. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 11 1 Bit Sends an error when the external sensor sends no value for more than 30min Table 6: Communication objects – External sensor MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 12: Alarm/Messages
Message if value < 1°C – 25°C Dynamic range of the lower message. [13°C] Adjustment possible if messages are activated. Table 7: Settings – Alarm/Messages MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 13 Sends a message when the upper message limit is reached Below message value 1 Bit Sends a message when the lower message limit is reached Table 9: Communication objects – Messages MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 14: Controller General
There are a lot of settings, which can help to achieve this aim. The settings depend to the adjusted controller type. By choosing the setting “Controller off”, no further settings are possible. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 15: Operating Modes & Setpoints
If the controller type is set to "Heating & Cooling", the basic comfort value applies to the heating operation. In cooling mode, the value of the dead zone between "Heating" and "Cooling" is added. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 16: Operating Mode Night
Activation of the operating mode heat protection Mode frost/heat protection 1 Bit Activation of the operating mode frost/heat protection Table 14: Communication objects – Operating mode Frost/Heat protection MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 17: Priority Of The Operating Modes
Night Frost-/ Heat protection Comfort Night Frost-/Heat protection Standby Frost-/Heat protection Comfort Table 16: Example switchover of the operating modes via 1 Bit MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 18 Frost-/Heat protection 1= Frost-/Heat protection 0x08 Heating/Cooling 0=Cooling/1=Heating 0x20 Frost alarm 1=Frost alarm 0x80 Table 19: Hex-Values DPT HVAC Status (from Version 1.2) MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
- Page 19 1 Byte Selection of the operating mode Table 21: Communication objects – Operating mode switchover * from DB Version 1.2 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 20: Operating Mode After Reset
It must be pointed out, that the controller has no settings in its memory in case of an initial operation. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 21: Setpoint Offset
“Reset setpoint offset after change of mode” are not valid at this variant of setpoint offset, because the controller becomes a complete new setpoint. Specifying a new value is possible by calling the object “Setpoint comfort”. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 22 Manual setpoint value offset – 1 Bit Shifting the setpoint via 1 bit object Reduction/increase (1=+/0=-) Table 24: Communication objects – Setpoint offset MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 23: Lock Objects
1 Bit Locks the control value heating Cooling disable object 1 Bit Locks the control value cooling Table 26: Communication objects – Lock objects MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 24: Heating/Cooling Request Objects
1 Bit Indicates a beginning heating process Cooling request 1 Bit Indicates a beginning cooling process Table 28: Communication objects – Heating/cooling request MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 25: Guiding
So when the value is between the adjusted guiding values (w & w ) the setpoint is increased or decreased. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 26 If the outside temperature reaches the adjusted maximum of 38°C, the setpoint will be 32°C and behave this value even if the temperature would continue to rise. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 27: Dead Zone
Dead zone between heating and cooling: 3K Increase and Reduction Standby: 2K Increase and Reduction Night: 4K Figure 19: Example – Dead zone MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 28: Controller Settings
2-step control, the communication object will have the size of 1 Bit, because the communication object can only assume the states “ON” or “OFF”. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 29: Pi Control Continuous
Use additional level Activation of an additional ▪ Yes control level possible. Only available in “Heating” mode Table 34: Settings – PI control continuous MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 30 The parameter “Send control value cyclic” causes a cyclic sending of the actual control value. The time shifts between two values can be also configured. Use additional level Eine ausführliche Beschreibung zu diesem Parameter, siehe 4.5.6 Additional level MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 31: Pi Control Switching (Pwm)
Use additional level Activation of an additional ▪ Yes control level possible. Only shown in “Heating” mode Table 35: Settings – PI control switching (PWM) MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 32 Basically, the following applies to the cycle time: the more sluggish the overall system, the greater the cycle time can be set. Use additional level Eine ausführliche Beschreibung zu diesem Parameter, siehe 4.5.6 Additional level MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 33: 2-Step Control (Switching)
This can generate a fast consumption of the control value. Use additional level Eine ausführliche Beschreibung zu diesem Parameter, siehe 4.5.6 Additional level MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 34: Direction Of Controller
2-Step control The controller switches on at the normal point for switching off and switches off at the normal point for switching on. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 35 The following graphic shows the effects of the direction of action on the controller. All controllers are set to the control mode "Heating": Figure 25: Graphic – Effects of the direction of action on the controller MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 36: Additional Level
Number Name Length Usage Control value additional heating 1 Bit control value for the additional level Table 38: Communication object – Additional level MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 37: Additional Settings For "Heating & Cooling" Mode
2-step control, as both processes can be controlled by different devices. For each of the two individual processes, completely individual settings for the control value and the heating/cooling system are therefore possible. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... - Page 38 Number Name Length Usage Heating/Cooling switchover – 1 Bit Switchover between Heating and Cooling 0=Cooling 1=Heating Table 40: Communication object – Heating/Cooling switchover MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...
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Page 39: Index
Figure 25: Graphic – Effects of the direction of action on the controller ..........35 Figure 26: Settings – Additional level ....................36 Figure 27: Settings – Heating & Cooling ....................37 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 40: List Of Tables
Table 38: Communication object – Additional level ................36 Table 39: Settings – Heating & Cooling ....................37 Table 40: Communication object – Heating/Cooling switchover ............38 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 41: Appendix
The units are approved for operation in the EU and bear the CE mark. Use in the USA and Canada is not permitted! 6.4 History V1.0 First version of the Technical Manual 12/2014 V1.1 Adjustments, general corrections DB V1.4 11/2022 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 42: Controller Types
Three different controller types can be chosen for the control value. These controller types are described for the heating process by the following illustrations. 6.5.1 2-Step control MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 43: Pi-Control Continuous
Technical Manual Room Temperature Controller [SCN-RT1xPx.01] 6.5.2 PI-control continuous MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de... -
Page 44: Pi-Control Switching (Pwm)
Technical Manual Room Temperature Controller [SCN-RT1xPx.01] 6.5.3 PI-control switching (PWM) MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 • Germany Phone: +49-2263-880 • knx@mdt.de • www.mdt.de...