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Technical Manual Temperature Controller

MDT technologies GmbH •

51766 Engelskirchen • Papiermühle 1 •

Tel.: +49-2263-

880 • Fax: +49

-2263-4588

• [email protected] •

www.mdt.de

3 Communication objects

3.1. Summary and Usage

Nr.

Name

Object function

Data type

Direction

Info

Usage

Tip

Channel 1

Actual temperature value

DPT 9.001

send

Controller sends
current
temperature

Visu, Display,

Diag osti ,…

Communication object is
always shown and sends,
according to the settings, its
current value or can only be
read.

Channel 1

Higher message value

DPT 1.001

send

Controller sends
state

Visu, Display,

Diag osti ,…

Communication object is
shown when the messages are
active.

Channel 1

Lower message value

DPT 1.001

send

Controller sends
state

Visu, Display,

Diag osti ,…

Communication object is
shown when the messages are
active.

Channel 1

Frost alarm

DPT 1.001

send

Controller sends
state

Visu, Display,
Diagnostic,

additio al stage,…

Communication object is
shown when the alarms are
active.

Содержание SCN-RT2UP.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 3 2015 Manual MDT Temperature Controller SCN RT2UP 01 SCN RT4UP 01 SCN RT6REG 01 6AP 01...

Страница 2: ...cts 14 4 Reference ETS Parameter 16 4 1 General Settings 16 4 2 Temperature measurement 17 4 3 Alarm Messages 20 4 4 Controller general 22 4 4 1 Controller type 22 4 4 2 Operating modes Setpoints 23 4...

Страница 3: ...l 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 3 6 Attachment 51 6 1 Statutory requirements 51 6 2 Routine disposal 51 6 3 Assemblage 51 6 4 Controller 52 6 4 1 2 Step control 52 6 4 2 PI contro...

Страница 4: ...01 standard version SCN PTAN3 01 strap on installation SCN PTDE3 01 ceiling installation SCN RT2UP 01 2 fold Temperature controller sensor flush mounted o Controller type 2 Step PI continuous PI swit...

Страница 5: ...MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 5 2 3 Exemplary circuit diagram Figure 1 Exemplary circuit diagram SCN RT6REG 01 Figure 2...

Страница 6: ...of the 6 channels available 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 t...

Страница 7: ...used type e g SCN RT6REG 01 2 6 Starting up 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 inter...

Страница 8: ...munication object is always shown and sends according to the settings its current value or can only be read 1 Channel 1 Higher message value DPT 1 001 send Controller sends state Visu Display Diag ost...

Страница 9: ...to 10 external sensor 6 Channel 1 Setpoint comfort DPT 9 001 receive Controller receives new setpoint Visu Control keys Central operation unit Communication object is always shown when the controller...

Страница 10: ...hen the controller is set to cooling 2 Pipe system DPT depends to the controller settings 10 Channel 1 Mode comfort DPT 1 001 receive Controller switches operating mode Visu Display Control keys Centr...

Страница 11: ...ing request DPT 1 001 send Controller sends heating request Actuator for switching the heati g pu p Can be activated in the parameters if the controller is set to heating 16 Channel 1 Cooling request...

Страница 12: ...eset setpoint value DPT 1 001 receive Controller resets the setpoints to the parameter settings Visu Display Control keys Central operation unit Communication object is always shown when the controlle...

Страница 13: ...mmunication is alway shown when the controller is active Via the parameter e d status o o je t Mode sele tio the se di g of this object can be activated and directly evaluated from visualizations or h...

Страница 14: ...nel 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 value cooling 1 Bi...

Страница 15: ...articular communication objects as well as the flags can be adjusted by the user The flags allocates the function of the objects in the programming thereby stands C for communication R for Read W for...

Страница 16: ...setpoint for the operating mode frost protection Setpoint heat protection for all channels 25 C 40 C 35 C Setting of the setpoint for the operating mode heat protection Flow temperature 15 C 60 C 35 C...

Страница 17: ...mment Send actual value after change of not available at SCN RT6REG disable 0 1K 2 0K Sending condition for the actual temperature value Send actual temperature cyclically not available at SCN RT6REG...

Страница 18: ...ed The value is multiplied by 0 1K so the current value can be lowered or lifted up to 5K This setting is useful when the sensor was built at an unfavorable location e g becoming draft or next to a wi...

Страница 19: ...the function is a ti ated e d e a le th ee o u i atio o je ts ill e sho T o o je ts fo the Min and the Max value and one for the reset of the min max values The chart shows the relevant communication...

Страница 20: ...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 t...

Страница 21: ...larm 1 Bit send heatalarm Table 9 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...

Страница 22: ...Dynamic range default value comment Controller type Controller off Heating Cooling Heating and Cooling Adjustment of the controller type The further settings depend to the adjusted controller type Ta...

Страница 23: ...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 comfo...

Страница 24: ...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 setpoin...

Страница 25: ...e 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 ch...

Страница 26: ...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...

Страница 27: ...t 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 change...

Страница 28: ...nt Standby with parameterized set point Hold old state and set point Adjustment which operating mode shall be switched on after a bus power return Table 23 Operating mode after reset This parameter de...

Страница 29: ...a 1 increases the setpoint by the adjusted step range sending a 0 decreases the setpoint by the adjusted step range Step range 0 1K 1K 0 5K Adjustment of the step range for the setpoint offset via 1 B...

Страница 30: ...e setpoint can only be moved manual in the limits of 18 C and 24 C The manual setpoint value offset is also possible via a 1 Bit object In this case normal 1 Bit o a ds a e se t to the Bit o je t Ma u...

Страница 31: ...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 sta...

Страница 32: ...ects The setti g Heati g Cooli g e uest e a led a sho o je ts hi h i di ates a egi i g heati g or cooling process So these objects are status objects The objects can be used for the visualization of a...

Страница 33: ...ontroller 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...

Страница 34: ...he 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 individual...

Страница 35: ...This allows you to limit the heating temperature which is needed in some situations If for example an underfloor heating must not heat above a certain value to protect the flooring the heating tempera...

Страница 36: ...5 2 PI control continuous PI control switching PWM 4 5 3 PI control switching PWM 2 step control switching 4 5 4 2 step control switching The following chart shows the relevant communication objects N...

Страница 37: ...ol parameter Adjustment of the used heating system Individual parameterization available by Adjust e t ia o t ol pa a ete Cooling system Split Unit 4K 90min Cooling ceiling 5K 240 min Adjustment via c...

Страница 38: ...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 g...

Страница 39: ...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 f...

Страница 40: ...le at the PI control switching Additional a PWM cycletime can be adjusted The following chart shows the dynamic range for this parameter ETS text Dynamic range default value comment Direction of contr...

Страница 41: ...trol 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 2...

Страница 42: ...ching on point Send control value cyclic disable 1min 60min Adjustment if the control value should be sent cyclic activation is recommended to avoid wrong behavior at loss of telegrams Table 37 2 step...

Страница 43: ...t 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 a...

Страница 44: ...ted 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 control...

Страница 45: ...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 Table 38...

Страница 46: ...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 d...

Страница 47: ...y 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 b...

Страница 48: ...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 switch...

Страница 49: ...ages 20 Figure 7 Setting controller type 22 Figure 8 Operating modes setpoints 23 Figure 9 Priority of the operating modes 25 Figure 10 Operating mode after reset 28 Figure 11 Setpoint offset 29 Figur...

Страница 50: ...ction 24 Table 16 Priority of the operating modes 25 Table 17 Example changeover of the operating modes via 1 Bit 25 Table 18 Hex Values for operating modes 26 Table 19 Example operating mode changeov...

Страница 51: ...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...

Страница 52: ...irchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 52 6 4 Controller Three different controller types can be chosen for the control value These controller types are described...

Страница 53: ...Technical Manual Temperature Controller MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 53 6 4 2 PI control continuous...

Страница 54: ...Technical Manual Temperature Controller MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 54 6 4 3 PI control switching PWM...

Страница 55: ...Technical Manual Temperature Controller MDT technologies GmbH 51766 Engelskirchen Papierm hle 1 Tel 49 2263 880 Fax 49 2263 4588 knx mdt de www mdt de 55 6 5 Direction of controller 6 6 Datasheet...

Страница 56: ...ETS3 4 The thermostat stores the minimum and maximum temperature and releases an alarm telegram if the temperature differs from the programmed limit values The temperature of the frost protection is...

Страница 57: ...range 20 bis 100 C 20 bis 100 C 20 bis 100 C Encosure IP 20 IP 20 IP 20 IP 20 Dimensions MDRC Space Units 2SU Dimensions W x H x D 115mm x 64mm x 40mm 41mm x 41mm x 12mm 41mm x 41mm x 12mm Examplary c...

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