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Technical

Manual

Temperature

Controller

SCN

‐

RT1

MDT technologies GmbH •

51766 Engelskirchen • Papiermühle 1

Tel.: +49-2263-880 • Fax: +49-2263-4588 • [email protected] • www.mdt.de

6.4

Controller

Three

different

controller

types

can

chosen

for

the

control

value.

These

controller

types

are

described

for

the

heating

process

the

following

illustrations.

6.4.1

‐

Step

control

Содержание SCN-RT 6AP.01

Страница 1: ...MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 1 10 2011 Manual MDT Temperature Controller SCN RT 6REG 01 SCN RT 6AP 01...

Страница 2: ...communication objects 9 4 Reference ETS Parameter 11 4 1 General Settings 11 4 2 Channel selection 12 4 3 Temperature measurement 13 4 4 Alarm Messages 15 4 5 Controller general 17 4 5 1 Controller ty...

Страница 3: ...1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 3 6 Attachment 45 6 1 Statutory requirements 45 6 2 Routine disposal 45 6 3 Assemblage 45 6 4 Controller 46 6 4 1 2 Step control 46 6 4 2 PI co...

Страница 4: ...ST3 01 standard version SCN PTAN3 01 strap on installation SCN PTDE3 01 ceiling installation 2 2 Usage Areas of use The room temperature controller has its areas of use at the controlling in home inst...

Страница 5: ...am Illustration 1 Exemplary circuit diagram 2 4 Structure Handling The controller is available in two different designs one for the surface mounting and one modular device Each of the devices contain...

Страница 6: ...ailable and individual parameterize able Temperature measurement The settings for the measurement for the temperature can be made at this menu Settings for the min max values and the sensor configurat...

Страница 7: ...ort can be switched on off can be reset manual by communication object Sensor configuration additional connection of an external sensor possible balance internal external sensor adjustable balance wor...

Страница 8: ...ings at the ETS Software Selection at the product database Manufacturer MDT Technologies Product family Control System Product type Room temperature controller Medium Type Twisted Pair TP Product name...

Страница 9: ...ow X X X 8 Channel 1 Control value heating 1 Byte Low X X X 8 Channel 1 Control value heating cooling 1 Bit Low X X X 8 Channel 1 Control value heating cooling 1 Byte Low X X X 9 Channel 1 Control val...

Страница 10: ...e flags allocates 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 The communication objects are identical for a...

Страница 11: ...aytime 0 60s 0 Time between an upload and the functional start of the device Select hardware SCN RT6REG without Sensor REG SCN RT6AP with Sensor Adjustment of the used device Chart 3 General settings...

Страница 12: ...ws the dynamic range of the channel selection ETS text Dynamic range default value comment Channel 1 6 inactive active When the channel gets activated new sub menus appear at the left selection menu F...

Страница 13: ...comment Send actual value after change of only at RT6AP disable 0 1K 2 0K Sending condition for the actual temperature value Send actual temperature cyclically only at RT6AP disable 1 min 60 min Acti...

Страница 14: ...ct for the temperature value Number Name Length Usage 0 Actual temperature value 2 Byte sends the current temperature value Chart 6 Communication object temperature value Send min max value This funct...

Страница 15: ...active active Activation of the alarm function Frostalarm if value 3 C 10 C 7 C Dynamic range of the frostalarm Adjustment possible if alarm is activated Heatalarm if value 25 C 40 C 35 C Dynamic ran...

Страница 16: ...eatalarm 1 Bit send heatalarm Chart 10 Communication objects alarm Messages The message function is almost identical to the alarm function but less in its priority There are two messages available whe...

Страница 17: ...text Dynamic range default value comment Controller type Controller off Heating Cooling Heating and Cooling Adjustment of the controller type The further settings depent to the adjusted controller typ...

Страница 18: ...C The basis comfort setpoint is the reference point of the control Night reduction Lowering in K 0 K 10 0 K 3 0 K Lowering of the temperature by choosing the operating mode night Relative to the basi...

Страница 19: ...mode standby is used This operating mode shall cause a low reduction of the temperature So the room can be heated up fast again The value for the reduction can be programmed freely and refers to basi...

Страница 20: ...time The night mode will only be active when the comfort mode is switched off now the controller changes automatically to the night mode 4 4 2 6 Operating mode changeover There are 2 possibilities for...

Страница 21: ...roller handles received Hex values and switches operating modes on or off The chart is to read from the top to the down Example The priority was set as Frost Comfort Night Standby received Hex value H...

Страница 22: ...sent last If you switched the operating mode last via 1 Bit the controller will react to the changeover by 1 Bit If you switched the operating mode last via 1 Byte the controller will react to the cha...

Страница 23: ...tion 11 Operating mode after reset The following chart shows the dynamic range for this parameter ETS text Dynamic range default value comment Operating mode after reset Comfort Standby Adjustment whi...

Страница 24: ...e setpoint can be changed manual by the setpoint offset without a new parameterization by the ETS Software Therefore 2 variants are available On the one hand a new setpoint can be pretended by the com...

Страница 25: ...f 3K the setpoint can only be moved manual in the limits of 18 C and 24 C The setting max setpoint offset valid for defines the scope of the setpoint offset You can choose whether the setpoint offset...

Страница 26: ...troller type one or two blocking objects are available The blocking objects disable the control value The blocking objects can be used when the heating or cooling system shall be prevented of an unwan...

Страница 27: ...objects The setting Heating Cooling request enabled can show objects which indicates a beginning heating or cooling process So these objects are status objects The objects can be used for the visualiz...

Страница 28: ...4 4 1 controller type was set as heating and cooling Now the dead zone can be parameterized The dead zone describes the range at which the controller neither heats nor cools So the controller sends no...

Страница 29: ...the nigh and standby reduction increase at heating and cooling These setpoints are calculated in dependence to the basic comfort setpoints The setpoints for the frost and heat protection are individua...

Страница 30: ...r can be chosen PI control continuous 4 5 2 PI control switching PWM 4 5 3 2 step control switching 4 5 4 The following chart shows the relevant communication objects Number Name Length Usage 8 Contro...

Страница 31: ...rol parameter Adjustment of the used heating system Individual parameterization available by Adjustment via control parameter Cooling system Split Unit 4K 90min Cooling ceiling 5K 240 min Adjustment v...

Страница 32: ...he used heating cooling system You can use preset values which fit to determined heating or cooling systems or parameterize the proportional range and the reset time freely The preset values for the c...

Страница 33: ...es a slow approach to this value To note is that a reset time which is adjusted too small can cause across swinging In principle you can say each carrier the system each bigger the reset time The foll...

Страница 34: ...ble at the PI control switching Additional a PWM cycletime can be adjusted 4 6 3 1 The following chart shows the dynamic range for this parameter ETS text Dynamic range default value comment Direction...

Страница 35: ...usted the control value will be switched on for 7 5min and switched off for 2 5min In principle you can say each carrier the system each bigger the cycletime Cooling system Split Unit 4K 90min Cooling...

Страница 36: ...ting for the switching off point and the switching on point Use additional level No Yes Activation of an additional level possible only for heating 4 5 6 Chart 36 2 step control switching The 2 step c...

Страница 37: ...rrent adjusted setpoint Example The controller is adjusted as heating with and a basic comfort setpoint of 21 C and a hysteresis of 2K So the controller switches the control value at the mode comfort...

Страница 38: ...e adjusted for all control values PI control continuous PI control switching and 2 Step control An inverted control value is for adaption to normally opened valves at the 2 Step control and at the PI...

Страница 39: ...em 2 Pipe system 4 Pipe system Setting for combined or divided heating and cooling circuits Heating cooling switch over automatically via object Selection between manual and automatic switch over Char...

Страница 40: ...e control value is available Before changing between heating and cooling a switchover must occur The control value can also have only one controller PI continuous PI switching 2 Step control Also the...

Страница 41: ...Consequently two communication objects for the control value exist So it is possible to control the heating process e g via a PI control continuous and the cooling process e g via a 2 step control bec...

Страница 42: ...ns set but does not heat as long as the temperature is above the adjusted setpoint for heating By choosing the switchover via object an additional communication object is shown By this object the swit...

Страница 43: ...tting controller type Page 17 Illustration 9 Operating modes setpoints Page 18 Illustration 10 Priority of the operating modes Page 20 Illustration 11 Operating mode after reset Page 23 Illustration 1...

Страница 44: ...tion object operating mode frost heat protection Page 19 Chart 17 Priority of the operating modes Page 20 Chart 18 Example changeover of the operating modes via 1 Bit Page 20 Chart 19 Hex Values for o...

Страница 45: ...age can occur danger for humans animals or material assets Do not let the packaging lying around careless plastic foil bags etc can be a dangerous toy for kids 6 2 Routine disposal Do not throw the wa...

Страница 46: ...elskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 46 6 4 Controller Three different controller types can be chosen for the control value These controller types are descri...

Страница 47: ...Technical Manual Temperature Controller SCN RT1 MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 47 6 4 2 PI control continuous...

Страница 48: ...Technical Manual Temperature Controller SCN RT1 MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 48 6 4 3 PI control switching PWM...

Страница 49: ...Technical Manual Temperature Controller SCN RT1 MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 49 6 5 Direction of controller...

Страница 50: ...on the adjusted parameters of the Temperature controller the actuating value is sent as 1 bit or 1 byte variable to the bus The characteristic of the Temperature Controller Two position PI and PWM co...

Страница 51: ...ia Bus Power consumption 0 3W 0 3W Permitted wire gauge KNX busconnection terminal 0 8mm 0 8mm Operation temperature range 20 to 100 C Encosure IP 20 IP 20 Dimensions W x H x D 2TE 115mm x 64mm x 40mm...

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