MDT Technologies AKH-0400.01 Technical Manual

Heating actuators
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12/2014
Technical Manual
MDT Heating actuators
AKH – 0400.01
AKH – 0800.01
MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1
Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de

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Summary of Contents for MDT Technologies AKH-0400.01

  • Page 1 12/2014 Technical Manual MDT Heating actuators AKH – 0400.01 AKH – 0800.01 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 2: Table Of Contents

    4.3.1 General setting ........................23 4.3.2 Blocking function ........................25 4.3.3 Emergency mode ........................25 4.3.4 Forced position/Dew point alarm ..................26 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 3 6.4.1 2-Step control ........................51 6.4.2 PI-control continuous ......................52 6.4.3 PI-control switching (PWM) ....................53 6.5 Direction of controller ......................... 54 6.5 Datasheet ............................ 54 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 4: Overview

    The manual refers to the following devices (Order number respectively written in bold letters):  AKH-0400.01 Heating actuator 4-fold, 2TE, 24 or 230V AC, MRDC o 4 channels for electrothermic valve drives, for the maximum number of electrothermic valve drives have a look at 6.5 Datasheet, detection of 230V AC failure, 230V AC/24V AC short circuit detection of connected load ...
  • Page 5: Exemplary Circuit Diagram

    2.3 Exemplary circuit diagram Figure 1: Exemplary circuit diagram heating actuator 4-fold 230V Figure 2: Exemplary circuit diagram heating actuator 4-fold 230V MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 6: Structure & Handling

    A significant faster flashing of the LEDs shows an active disturbance of this channel. Figure 3: Overview hardware module MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 7: Functions

    Next to the same parameterization options as by the 1 Byte input value, the actuator contains of a lot additional settings for the controller at the integrated controller mode. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 8: Overview Functions

    Setpoint shift parameterize able  Message for exceeded/underflow of adjustable temperature available  Heating-/Cooling system by control parameters adjustable Table 1: Overview functions MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 9: Channel-Leds

    (6) Switch the power supply on (7) If the device is enabled you can test the requested functions(also possible by using the ETS- Software) MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 10: Communication Objects

    Status of the current maximum control Out, Read value 85/165 Max. control value Adjustment of the maximum control value Out, Write Table 2: global Communication objects MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 11: Communication Objects - Switching (1 Bit)

    „ o ti uous 1B te The control value is executed as 1 Byte value. Furthermore additional objects, depending to the parameterization, are available. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 12: Communication Objects - Integrated Controller

    Because of the control value is created by the integrated controller itself, no object for the control value is shown. Instead of this, an object for the temperature measurement (Input) is shown. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 13 Out, Read Heat alarm reports an active heat alarm Out, Read Table 5: Communication objects integrated controller MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 14: Default Settings Of The Communication Objects

    Max. control value Output 1 Byte High 85/165 Max. control value Input 1 Byte High Table 6: Default-settings of the communication objects MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 15 The 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. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 16: Reference Ets-Parameter

     Thermal driving Adjustment of the voltage level at  230V the thermal drivings Table 7: Device configuration MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 17: Summer/Winter Mode

    (have a look at 4.1.3). So the actuator works only at the heating mode. Number Name Length Usage 80/160 Summer/Winter 1 Bit Switchover between summer and winter mode Table 10: Communication object Summer/Winter mode MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 18: Heating/Cooling Requirement & Switchover

    The setti g Co t ol alues set to % at su a o l e a ti ated if the heati g/ ooli g switchover is disabled. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 19: Protection Of Forse Fit

    This protection controls all channels at a fixed period of 6 days for 5 min and drives the valves once completely open. So, a smooth operation of the valves can be secured. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 20: Max. Control Value

    85/165 Max. control value(Input) 1 Byte receives the current maximum control value from another actuator Table 15: Communication objects max. Control value MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 21: Behavior After Bus Power Reset

    The setti g Re o e ode a d setpoi t loads the ode a d setpoi t, hi h e e active before bus power down. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 22: Mode Selection

    Channel not active Adjustment of the operating  switching (1Bit) mode for the channel.  continuous (1Byte)  integrated controller Table 17: Mode selection MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 23: Channel Configuration - S It Hi G Bit

    At the setti g ot e e gized losed , the output sig al is i e ted. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 24 Length Usage State control value 1 Bit sends/responds the actual value of the control value Table 22: Communication object state control value MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 25: Blocking Function

    100%, 90%, 80%, ..., 0% Adjustments for control value of emergency mode [0%] the emergency mode at summer summer Table 25: Emergency mode MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 26: Forced Position/Dew Point Alarm

    0%: Number Name Length Usage Dew point alarm 1 Bit activates the dew point alarm Table 27: Communication object dew point alarm MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 27 Number Name Length Usage Forced position 1 Bit activates the forced position Table 29: Communication object forced position MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 28: Channel Configuration - O Ti Uous B Te

    Processes the incoming control value State control value 1 Byte State object of the actual control value Table 30: Communication objects control value – 1 Byte MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 29: Pwm Cycletime

    Both adjustment options and the usage of them are shown at the following section. If more than one valve is adjusted, it is recommended to adjust to the slowest one. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 30 But this method can also cause larger fluctuation close to the heat source. Furthermore the valves are more heavily loade by the relatively often driving process. This setting is proven at slow systems, e.g. underfloor heatings. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 31 But if more than one valve is controlled, the average state of the valves is nearly unreachable. So fluctuations of the romm temperature can occur. This setting is proven at fast systems, e.g. radiators. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 32: Limitation Of The Control Value

    This behavior is reasonable because of energy saving issues, because otherwise the electrothermic valve drives would consume, even if they are not used, the minimum limit of the nominal power consumption. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 33: Flow Temperature Limit

    Number Name Length Usage Flow temperature 2 Byte Processing of the measured flow temperature Table 34: Communication object flow temperature MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 34: Channel Configuration - I Teg Ated O T Olle

    . The o t olle a parameterized at this submenu. Figure 23: “u e u i tegrated o troller MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 35 : Figure 24: Controller general The parameterization options for the integrated controller are described at the following sections: MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 36: Operating Modes

    If the controller is selected only as heating or as cooling, only settings for the adjusted operating mode are shown. The operating modes with their differences are described at the following sections. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 37 Length Usage Mode frost/heat protection 1 Bit Activation of the operating mode frost/heat protection Table 38: Communication object operating mode frost/heat protection MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 38: Priority Of The Operating Modes

    Comfort Night Frost-/ Heat protection Comfort Night Frost-/Heat protection Standby Frost-/Heat protection Comfort Table 40: Example operating mode switchover via 1 Bit MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 39 When more than one testify is valid, the hex values are added and the communication object sends the added value. The hex values can be read from visualization afterwards. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 40 Visualization measuring/ status of the controller mode selection 1 Byte Selection of the operating mode Table 45: Communication objects for the operating mode changeover MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 41: Setpoint Offset

    Specifying a new value is possi le alli g the o je t “etpoi t o fo t . MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 42 1 = +0,5°C / 0 = -0,5°C Actual setpoint 2 Byte Readout of the actual adjusted setpoint Table 47: Communication objects setpoint offset MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 43: Message Function

    Heat alarm 1 Bit reports the increment of the upper report value Table 49: Communication objects message function MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 44: Heating/Cooling System

    If a free Adjustment is chosen, proportional range and reset time can be chosen freely. This setting needs enough knowledge at the area of control engineering. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 45  big reset time: slow regulating of deviations; almost no danger for swinging across; usage at slow systems as underfloor heating MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 46: Additional Settings At Combined Heating & Cooling Mode

    PWM cooling for 4 pipe 1 Byte Control value for the cooling mode system Table 52: Communication object for 4 pipe system MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 47: Index

    Figure 28: Setpoint offset ........................41 Figure 29: Message function ......................... 43 Figure 30: Heating/cooling system ......................44 Figure 31: Combined systems ....................... 46 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 48: List Of Tables

    Table 45: Communication objects for the operating mode changeover ..........40 Table 46: Setpoint offset ........................41 Table 47: Communication objects setpoint offset ................42 Table 48: Message function ........................43 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 49 Table 50: Heating/cooling system ......................44 Table 51: Combined systems ......................... 46 Table 52: Communication object for 4 pipe system ................46 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 50: Attachment

    All activities on the device should only be done by an electrical specialist. The county specific regulations and the applicable EIB-directives have to be observed. MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 51: 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 MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 52: Pi-Control Continuous

    Technichal Manual Heating Actuators AKH 6.4.2 PI-control continuous MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 53: Pi-Control Switching (Pwm)

    Technichal Manual Heating Actuators AKH 6.4.3 PI-control switching (PWM) MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 54: Direction Of Controller

    Technichal Manual Heating Actuators AKH 6.5 Direction of controller 6.5 Datasheet MDT technologies GmbH • 51766 Engelskirchen • Papiermühle 1 Tel.: +49-2263-880 • Fax: +49-2263-4588 • knx@mdt.de • www.mdt.de...
  • Page 55 • Objects for heating request and cyclic movement of the valves • Modular installation device for DIN 35mm rails • Integrated bus coupling unit • 3 years warranty DIN EN ISO 9001 MDT technologies GmbH 51766 Engelskirchen • • Papiermühle 1 TAW Cert Tel.: + 49 - 2263 - 880...
  • Page 56 * depends on manufacturer. Inrush current for 4 electrothermic valves has to be < 1A each electrothermic valve ** every group of four outputs Examplary circuit diagram AKH-0800.01 DIN EN ISO 9001 MDT technologies GmbH 51766 Engelskirchen • • Papiermühle 1 TAW Cert Tel.: + 49 - 2263 - 880...

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Akh – 0800.01

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