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Technical

Manual

Room

Temperature

Controller

SCN

‐

RT1

MDT technologies GmbH •

51766 Engelskirchen • Papiermühle 1

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

4.4.7

Dead

zone

The

following

settings

are

available

the

ETS

‐

Software:

Illustration

20:

Dead

zone

The

following

chart

shows

the

dynamic

range

for

this

parameter:

ETS

‐

text

Dynamic

range

[default

value]

comment

Dead

zone

between

heating

and

cooling

(K)

1,0K

–

10,0K

[2,0K]

Dynamic

range

for

the

dead

zone

(Range

which

the

controller

does

not

activate

cooling

heating)

Chart

34:

Dead

zone

The

settings

for

the

dead

zone

are

only

available,

when

the

controller

type

(have

look

4.4.1

controller

type)

was

set

heating

and

cooling.

Now

the

dead

zone

can

parameterized.

The

dead

zone

describes

the

range

which

the

controller

neither

heats

nor

cools.

the

controller

sends

value

the

control

value,

when

the

dead

zone.

the

setting

for

the

dead

zone,

note,

that

value

which

was

chosen

too

small

causes

many

switches

between

heating

and

cooling.

Whereas,

too

big

chosen

value

causes

wide

range

the

current

room

temperature.

When

the

controller

set

heating

and

cooling,

the

basic

comfort

setpoint

always

the

setpoint

for

heating.

The

setpoint

for

the

cooling

given

the

summation

basic

comfort

setpoint

and

dead

zone.

So,

when

the

basic

comfort

setpoint

set

21°C

and

the

dead

zone

set

3K,

the

setpoint

for

heating

21°C

and

the

setpoint

for

cooling

24°C.

Содержание KNX SCN-RT1UPE.01

Страница 1: ...ogies GmbH 51766 Engelskirchen Papiermühle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 1 09 2011 Technical Manual MDT Room Temperature Controller SCN RT1UP 01 SCN TS1UP 01 SCN RT1UPE 01 SCN RT1APE 01 ...

Страница 2: ... 4 Reference ETS Parameter 11 4 1 General Settings 11 4 1 1 Room Temperature Controller with setwheel 12 4 1 2 Room Temperature Controller with display 12 4 2 Temperature measurement 14 4 3 Alarm Messages 16 4 4 Controller general 18 4 4 1 Controller type 18 4 4 2 Operating modes Setpoints 19 4 4 3 Setpoint offset 25 4 4 4 Blocking objects 27 4 4 5 Heating Cooling request objects 28 4 4 6 Guiding ...

Страница 3: ... 49 2263 4588 knx mdt de www mdt de 3 5 Index 48 5 1 Abbildungsverzeichnis 48 5 2 Tabellenverzeichnis 49 6 Attachment 50 6 1 Statutory requirements 50 6 2 Routine disposal 50 6 3 Assemblage 50 6 4 Controller 51 6 4 1 2 Step control 51 6 4 2 PI control continous 52 6 4 3 PI control switching PWM 53 6 5 Direction of controller 54 ...

Страница 4: ...h mounted with adjustment knop SCN TS1UP 01 Room temperature sensor 1 fold o Sensor for measuring the room temperature without controller function 2 2 Usage Areas of use The room temperature controller has its areas of use at the controlling in home installations and in the object range A lot of different controls can be realized by the room temperature controller There are three integrated contro...

Страница 5: ...in three different designs There are designs for flush mounting and surface mounting All of the devices contain of a bus connection a programming button and a programming LED at the back Illustration 2 Temp Controller Illustration 3 Temp Controller Illustration 4 Temp Controller flush mounted surface mounted flush mounted SCN RT1UP 01 SCN RT1APE 01 SCN RT1UPD 01 The room temperature sensor SCN TS1...

Страница 6: ...or the min max values and the sensor configuration are available at this parameter All sensors contain of an in plant balance Alarm Messages Alarms and messages can be adjusted at this menu This alarms and messages report when the temperature falls below an adjusted value or exceed an adjusted value Controller general At this menu the desired function heating cooling or heating cooling can be assi...

Страница 7: ...uration additional connection of an external sensor possible balance internal external sensor adjustable balance worth for internal sensor adjustable Alarm Messages Alarms can be switched on off Frost Heat alarm Messages can be switched on off Report condition of the Min Max temperatures parameterize able Controller general Controller type Heating Cooling Heating Cooling Priority Order of the oper...

Страница 8: ...Settings 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 addicted to the used type e g SCN RT1xPx xx Order number addicted to the used type e g SCN RT1UP 01 2 7 Starting up After wiring the allocation of the physical address and the parameterization of...

Страница 9: ...ow X X X X 7 Manual setpoint value offset Reduction Increase 2 Byte Low X X 8 Control value heating Send control value 1 Bit Low X X X 8 Control value heating Send control value 1 Byte Low X X X 8 Control value heating cooling Send control value 1 Bit Low X X X 8 Control value heating cooling Send control value 1 Byte Low X X X 9 Control value additional heating Send control value 1 Bit Low X X X ...

Страница 10: ...mming thereby stands C for communication R for Read W for write T for transmit and U for update from version 1 2 20 Guiding value Setpoint adjustment 2 Byte Low X X X 21 Max memory value Read memory 2 Byte Low X X X X 22 Min memory value Read memory 2 Byte Low X X X X 23 Min Max memory reset Reset memory 1 Bit Low X X X 24 Reset setpoint value Parameter read in 1 Bit Low X X 25 DPT_HVAC Status Sen...

Страница 11: ... RTxPD xx with display SCN TS1UP 01 without controller function Adjustment of the used device Chart 3 General settings The parameter startup timeout adjusts the time between an upload and the functional start of the device The used hardware reacts only after expiration of the adjusted time All input commands before the startup timeout expire Additional you have to select the used hardware at this ...

Страница 12: ...lowing settings are available at the ETS Software Illustration 6 Additional settings controller with setwheel As well as the function Setpoint offset with setwheel is activated the communication object number 7 manual setpoint value offset have a look at 4 4 3 disappears 4 1 2 Room Temperature Controller with display The following settings are available at the ETS Software Illustration 7 Additiona...

Страница 13: ...point can be assigned by the right keys The manual movement of the setpoint is still possible by the communication object have a look at 4 4 3 There are two possible functions which can be assigned to the left keys On the one hand you can send the state whether a person is in the room or not By sending the telegram absent the temperature controller switches automatically over to the standby mode T...

Страница 14: ... change of disable 0 1K 2 0K Sending condition for the actual temperature value Send actual temperature cyclically disable 1 min 60 min Activation of the cyclically sending of the temperature value Send min max value disable Send enable Activation of the sending of min max values Internal sensor correction value value 0 1K 50 50 0 Correction of the internal sensor Internal external sensor 100 inte...

Страница 15: ...object for the temperature value Number Name Length Usage 0 Actual temperature value 2 Byte sends the current temperature value Chart 7 Communication object temperature value Send min max value This function activates the sending and saving of the min max values When the function is activated by Send enable three communication objects will be shown Two objects for the Min and the Max value and one...

Страница 16: ...not 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 range of the heatalarm Adjustment possible if alarm is activated Messages not active active Activation of the message function Message if value 18 C 40 C 26 C Dynamic range of the upper message Adjust...

Страница 17: ...4 Heatalarm 1 Bit send heatalarm Chart 11 Communication objects alarm Messages The message function is almost identical to the alarm function but less in its priority There are two messages available when the message function was activated These two messages can be parameterized separately The dynamic range of the message function is much bigger than the one of the alarm function So it is also pos...

Страница 18: ...ETS 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 type Chart 13 Setting controller type The controller type defines the function of the room temperature controller Target of the control is to keep an adjusted temperature constant There are a lot of ...

Страница 19: ...21 0 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 basis comfort setpoint Standby reduction Lowering in K 0 K 10 0 K 2 0 K gets activated when no other operating mode was chosen The lowering is relative to the basis comfort setpoint Setpoint frost pro...

Страница 20: ...ing 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 basic comfort setpoint If you have adjusted a reduction of 2K and a basic comfort setpoint of 21 C the setpoint for the operating mode standby will be 19 C The standby mode cannot be activated by a cer...

Страница 21: ...ame 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 the changeover of the operating modes On the one hand the operating modes can be switched on by their 1 Bit communication object and on the other hand by a 1 Byte object from Version 1 2 The sele...

Страница 22: ...r 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 Handling adjusted operating mode 0x01 Comfort 1 Comfort 0x03 Comfort 0 Night 1 Night 0x02 Night 0 Standby 1 Standby 0x04 Frost Heat protection 1 Standby 0 Frost Heat protection Chart 21 Example operating mo...

Страница 23: ...was 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 changeover by 1 Byte The communication objects for the mode selection are shown at the following chart The first 3 communication objects are for the 1 Bit changeover the last 3 objects are for the ch...

Страница 24: ...tration 13 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 which operating mode shall be switched on after a bus power return Chart 25 Operating mode after reset This parameter defines the operating mode which shall be adjusted after a bus power return The co...

Страница 25: ... The 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 communication object Setpoint comfort On the other hand the adjusted setpoint can be increased or decreased manual by the communication object manual setpoint value offset At the read in of a new abso...

Страница 26: ...t of 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 is only valid for the comfort mode or also for the night and standby mode The operating mode frost heat protection is always independent of the setpoint offset The setting Reset setpoint after chan...

Страница 27: ...controller 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 unwanted start If the heating must not start at special situations for example when a window is opened the blocking object can be used Another usage of this function is for example the manual blocking f...

Страница 28: ...est 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 visualization of a beginning or ending heating cooling process So for example a red LED could show a heating process and a blue LED a cooling process A further opportunity for the usage is the central swi...

Страница 29: ... increment or decrement of the control value can be caused For adjusting how the guiding shall impact to the control value three settings are necessary Guiding value minimum wmin guiding value maximum wmax and setpoint variation at maximum guiding value X The settings for the guiding value maximum wmax and minimum wmin describe the range of temperature in which the guiding starts and ends having i...

Страница 30: ...eceiving of the reference temperature for the guiding Chart 33 Communication object guiding Example for the usage For the temperature regulation of a room the setpoint 22 C shall be increased in a way that at a measured outside temperature range of 28 C to 38 C the difference of the temperature outside and inside is never more than 6K The following settings must be done at the controller Basics Co...

Страница 31: ... at 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 value to the control value when he is in the dead zone At the setting for the dead zone it is to note that a value which was chosen too small causes many switches between heating and cooling Wher...

Страница 32: ...for 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 individually from the dead zone and the other setpoints The following illustration shows the correlations between dead zone and the setpoints for the single operating modes The following settings are made ...

Страница 33: ...ller 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 Control value heating 1 Byte 1 Bit controlling of the actuator for heating 8 Control value heating cooling 1 Byte 1 Bit controlling of the combined actuator for heating and cooling 10 Control value cooli...

Страница 34: ...control 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 via control parameter Adjustment of the used cooling system Individual parameterization available by Adjustment via control parameter Proportional range K 1K 8K 2K By choosing heating cooling syste...

Страница 35: ...or the 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 corresponding heating or cooling system are based on empirical values and lead often to good controlling results By choosing Adjustment via control parameter the proportional range and the reset ti...

Страница 36: ...auses 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 following setting rules can be defined small reset time fast regulating of deviations usage at fast systems and at places with changing environmental conditions disturbance variables like draft danger ...

Страница 37: ...ailable at the PI control switching Additional a PWM cycletime can be adjusted 4 5 3 1 The following chart shows the dynamic range for this parameter ETS text Dynamic range default value comment Direction of controller normal inverted indicates the controlling behavior at rising temperature 4 5 5 Max value of control value 100 90 80 75 70 60 50 40 30 25 20 10 0 100 indicates the output power at ma...

Страница 38: ...adjusted 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 ceiling 5K 240 min Adjustment via control parameter Adjustment of the used cooling system Individual parameterization available by Adjustment via control parameter Proportional range K 1K 8K 2K By...

Страница 39: ...Setting 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 39 2 step control switching The 2 step control is the easiest way of controlling The controller switches the control value only on and off The controller switches the control value for example at heating on when the measured temperature ...

Страница 40: ...e current 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 on at 20 C and off at 22 C To note is that a big hysteresis generates big differences of the room temperature A small hysteresis can generate an almost permanent switching process because the poin...

Страница 41: ...us 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 control switching An inverted control value means for the single control values by controller type heating the following adjustments PI control continuous The control value falls at raising regular difference and rises at falling regular difference PI c...

Страница 42: ...ller can be chosen for the additional level too The control value can be chosen as PI control switching PWM or 2 Step control So the communication object for the additional level has always the size of 1 Bit The distance in K describes the setpoint of the additional level The adjusted distance is deducted from the setpoint of the basic level the resulting value is the setpoint for the additional l...

Страница 43: ...echnologies GmbH 51766 Engelskirchen Papiermühle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 43 The following illustration shows the combination of the basic level and the additional level Illustration 28 Combination of basic and additional level ...

Страница 44: ...System 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 Chart 42 Heating Cooling When the controller type 4 4 1 is chosen as heating and cooling the upper shown settings are available By the setting for the system the used system can be chosen When a combi...

Страница 45: ... the 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 direction must be identical for heating and cooling But the parameter for the heating and cooling process can be defined individually as described from 4 5 2 to 4 5 4 The following illustration sho...

Страница 46: ...ly 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 because both processes are controlled by different devices So for every of the both processes are the settings available which are described from 4 5 controller settings The following illustration sho...

Страница 47: ...emains 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 switchover can be done The controller stays as long at the adjusted operating mode until it becomes a signal via the according communication object As long as the controller is at the heating mode onl...

Страница 48: ...g modes setpoints Page 19 Illustration 12 Priority of the operating modes Page 21 Illustration 13 Operating mode after reset Page 24 Illustration 14 Setpoint offset Page 25 Illustration 15 Blocking objects Page 27 Illustration 16 Heating Cooling request objects Page 28 Illustration 17 Guiding Page 29 Illustration 18 Example Guiding decrement Page 30 Illustration 19 Example Guiding increment Page 3...

Страница 49: ...rotection Page 20 Chart 18 Priority of the operating modes Page 21 Chart 19 Example changeover of the operating modes via 1 Bit Page 21 Chart 20 Hex Values for operating modes Page 22 Chart 21 Example operating mode changeover via 1 Byte Page 22 Chart 22 Hex Values DPT HVAC Status Page 22 Chart 23 Hex Values DPT RHCC Status Page 23 Chart 24 Communication objects for the operating mode changeover P...

Страница 50: ... usage 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 waste equipment in the household rubbish The device contains electrical devices which must be disposed as electronic scrap The casing contains of recyclable synthetic material 6 3 Assemblage Risk for...

Страница 51: ...Engelskirchen Papiermühle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 51 6 4 Controller 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 4 1 2 Step control ...

Страница 52: ...Technical Manual Room Temperature Controller SCN RT1 MDT technologies GmbH 51766 Engelskirchen Papiermühle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 52 6 4 2 PI control continuous ...

Страница 53: ...Technical Manual Room Temperature Controller SCN RT1 MDT technologies GmbH 51766 Engelskirchen Papiermühle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 53 6 4 3 PI control switching PWM ...

Страница 54: ...Technical Manual Room Temperature Controller SCN RT1 MDT technologies GmbH 51766 Engelskirchen Papiermühle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 54 6 5 Direction of controller ...

Страница 55: ...CN RT1APE 01 The MDT Room Temperature Controller is used to control the indoor temperature it has a working range from 10 to 50 C The Room Temperature Controller detects the temperature and releases telegrams in dependence on its parameterisation The characteristic of the Temperature Controller Two position PI and PWM control can be set in the ETS3 4 The controller stores the minimum and maximum t...

Страница 56: ... consumption 0 3W 0 3W 0 3W 0 3W Permitted wire gauge KNX busconnection terminal 0 8mm 0 8mm 0 8mm 0 8mm Operating temperature range 10 to 50 C 10 to 50 C 10 to 50 C 10 to 50 C Enclosure IP 20 IP 20 IP 20 IP 20 Dimensions UP AP W x H x D 55mm x 55mm x 13mm 55mm x 55mm x 13mm 91mm x 85mm x 26mm 91mm x 85mm x 26mm MDT technologies GmbH 51766 Engelskirchen Papiermühle 1 Tel 49 2263 880 Fax 49 2263 45...

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