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GARO GDA2K-400 KNX Manual

Dimming actuators booster
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Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX
Updated: Mai-17 (Subject to changes)
KNX Manual
Dimming actuators
GDA2K-400 KNX,
GDA4K-400 KNX,
Booster GBO-300
GDA2K-400 KNX 108396
GDA4K-400 KNX 108397
GBO-300
108393
Page 1 of 63

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  • Page 1 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX KNX Manual Dimming actuators GDA2K-400 KNX, GDA4K-400 KNX, Booster GBO-300 GDA2K-400 KNX 108396 GDA4K-400 KNX 108397 GBO-300 108393 Updated: Mai-17 (Subject to changes) Page 1 of 63...

  • Page 2: Table Of Contents

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Contents FUNCTIONAL CHARACTERISTICS ................. 4 ......................... 5 PERATION TECHNICAL DATA ....................... 6 ..................8 MPORTANT INFORMATION THE APPLICATION PROGRAMME "GDA4K-400 KNX" ........9 ..............9 ELECTION IN THE PRODUCT DATABASE ..................10 OMMUNICATION OBJECTS 3.2.1 Channel-related objects ..................
  • Page 3 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.5.2 Parameter: "Switching on/off with a 4-bit telegram" .......... 55 ....................... 56 HE SCENES 4.6.1 Principle ....................... 56 4.6.2 Calling up or saving scenes: ................57 4.6.3 Entering scenes without telegrams ............... 59 ................

  • Page 4: Functional Characteristics

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 1 Functional characteristics • 2-/4-way universal dimmer actuator • Dimming range 0–100% • For dimming incandescent lamps, low voltage and high voltage halogen lamps, dimmable LED retrofit lamps • Also suitable for dimming dimmable energy-saving lamps via different dimming curves •...

  • Page 5: Operation

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 1.1 Operation Every dimmer actuator has a manual button. When manual mode is activated the dimmer can only be operated with the buttons. Bus telegrams will not be executed. 4 buttons and 4 LEDs are available for each channel.

  • Page 6: Technical Data

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 2 Technical data Bus voltage, ≤ 4 mA Operating voltage KNX Operating voltage 230 V AC +10% -15% Frequency 50Hz Standby output 0.9 W / 1.5 W Width 4 TE / 8 TE...
  • Page 7 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Increase in switching capacity for dimmable 45 W 230 V LEDs per booster Switching capacity min. Updated: Mai-17 (Subject to changes) Page 7 of 63...

  • Page 8: Important Information

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 2.1 Important information 1. The power supply (at the fuse box) must be switched off without fail when replacing lamps. 2. Connecting dimmers in series or in parallel is not permitted: ONLY the Booster module is connected in parallel (up to 2 items per channel possible).

  • Page 9: The Application Programme "Gda4K-400 Knx

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3 The application programme "GDA4K-400 KNX" 3.1 Selection in the product database Manufacturer GARO AB Product family Dimmer GDA4K-400 KNX Product type Program name GDA4K-400 KNX Table 2 Number of communication objects 85...

  • Page 10: Communication Objects

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.2 Communication objects The objects are divided into channel-related and common objects 3.2.1 Channel-related objects Table 3 Flags Length Object name Function C R W T 1 bit ✓ ✓ ✓ -...
  • Page 11 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Flags Object name Function Length C R W T 1 bit ✓ ✓ ✓ - Reset service 1.001 Channel C1 1 bit ✓ ✓ ✓ - Reset operating hours 1.001 1 bit ✓...
  • Page 12 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Flags Object name Function Length C R W T 2 byte ✓ ✓ ✓ ✓ Channel C2 Time to next service 7.001 2 byte ✓ ✓ ✓ ✓ Channel C2 Operating hours feedback 7.001...

  • Page 13: Common Objects

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.2.2 Common objects Table 4: Flags Type Object name Function C R W T C1 + C2 1 bit ✓ ✓ ✓ ✓ Manual 1.001 C3 + C4 1 bit ✓ ✓ ✓ ✓...

  • Page 14: Description Of Objects

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.2.3 Description of objects • Objects 0, 30, 80, 110, "Switching ON/OFF" A 1 on this object dims up to 100%, and 0 dims to 0% • Objects 1, 31, 81, 111, "brighter/darker"...
  • Page 15 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX • Objects 5, 35, 85, 115 "Call up/save scenes" Only available if the scene function has been activated (Configuration options parameter page). This object can be used to save and subsequently call up scenes.
  • Page 16 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX • Object 10, 40, 90, 120 "Feedback in %" Sends the new dimming value after a change as soon as a dimming process is completed, i.e. once the new set point value has been reached.
  • Page 17 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX • Object 16, 46, 96, 126 "Excess temperature message" 0 = OK 1 = the dimmer is overloaded: • connected power is too high, • ambient temperature is too high, • booster defective •...
  • Page 18 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX • Object 240 "Central permanent ON" Central switch-on function. Enables simultaneous switching on of all channels with one single telegram. 0 = No function 1 = Permanent ON Participation in this object can be set individually for each channel (see parameter page Channel C1/C2: Configuration options).
  • Page 19 01 .. FF = Module code (hexadecimal). Hardware version 00..99 Firmware version 000..999 EXAMPLE: M13 H00 V025 - Module $13 = GDA2K-400 KNX / GDA4K-400 KNX - Hardware version V00 - Firmware version V25 pdated: Mai-17 (Subject to changes) Page 19 of 63...

  • Page 20: Parameters

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3 Parameters 3.3.1 Parameter pages Table 7 Function Description General Central parameters. Characteristics of channel and activation of additional functions Channel C1 (soft switching, force, scenes, etc.). Configuration options Dimming response Load selection, dimming times, dimming switch-on value, etc.

  • Page 21: General

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.2 General Table 8 Designation Values Description Device type GDA2K-400 KNX.. Select device type. GDA4K-400 KNX.. Function of the manual button applies for 24 hours or until Determines how long the device...

  • Page 22: Channel C1/C2: Configuration Options

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.3 Channel C1/C2: Configuration options Table 9 Designation Values Description Copy main parameters from This parameter is only available channel C1 for C2 (C4). no C1 (C3) and C2 (C4) can be configured completely separately from one another.
  • Page 23 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Adjust soft switching no The standard values apply: - Time for Soft ON = 1 min - Dimming value after Soft ON = 100% - Time between Soft ON and Soft...
  • Page 24 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Adjust feedback no The standard values apply: - Format of 1-bit feedback = not inverted - Send 1-bit feedback cyclically = no - Send 8-bit feedback: = only after ending dimming...

  • Page 25: Dimming Response

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.4 Dimming response Table 10 Designation Values Description Load selection Automatic The dimmer detects what type of load is connected and automatically selects the appropriate dimming strategy (leading edge or trailing edge).
  • Page 26 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description dimmable energy-saving lamps With ESL, only use if a with L response disruptive flickering is noted when dimming up or down. See appendix: Dimming energy- saving lamps (ESL)
  • Page 27 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Behaviour when receiving a immediate on The change from 0% to 100% or dimming command (4-bit) 100% to 0% takes place within max. 1 s (in very quick...
  • Page 28 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Switching on/off with a 4-bit dim Defines the response if the telegram channel is switched off and a 4- bit telegram (brighter/darker) is received. See appendix: 4-bit telegrams (brighter/darker).

  • Page 29: Dimming Value Limits

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.5 Dimming value limits The dimming value can be temporarily restricted via Object 8 Brightness restriction. This is used, for example, to ensure that basic lighting is not exceeded at night, while during the evening the full range of lighting can be used.

  • Page 30: Soft Switching

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.6 Soft switching Table 12 Designation Values Description Time for Soft ON 0 s, 1 s , 2 s, 4 s Duration of the dimming-up 6 s, , 8 s, 12 s, 15 s...

  • Page 31: Block Function

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.7 Block function Table 13 Designation Values Description Block telegram Block with ON telegram 0 = Cancel block 1 = Block Block with OFF telegram 0 = Block 1 = Cancel block Note: The block is always deactivated after reset.

  • Page 32: Force

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.8 Force Table 14 Designation Values Description Format of force object Force is triggered by: 1 bit Switch telegram. 2 bit Priority telegram. 1 byte (%) Dimming value. 1 bit Activate force function with 1 Recommended.
  • Page 33 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Behaviour at end of force update Response to cancellation of force Here again the configured Value before force minimum dimming value needs minimum dimming value to be taken into account.

  • Page 34: Scenes

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.9 Scenes This page appears when the Scenes are activated on the Configuration options parameter page. Each channel can participate in up to 8 scenes. Table 15 Designation Values Description Block telegram for scenes...
  • Page 35 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Permit teach in No Scenes can only be called up. Yes The user can both call up and teach in or amend scenes. Channel reacts to No scene number...
  • Page 36 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Allocated dimming value See above. 10%, 20%, 30% 40%, 50%, 60%, 70%, 80%, 90%, 100% Permit teach in See above. Channel reacts to No scene number Sixth of the 8 possible scene...

  • Page 37: Feedback

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.10 Feedback Each channel has 2 feedback objects (e.g. Obj. 9 + 10, 39 + 40, etc.) Table 16 Designation Values Description Not inverted Standard setting: 1-100% = 1 Format of 1-bit feedback...

  • Page 38: Hour Counter And Service

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.11 Hour counter and service This page appears when Activate operating hours counter is selected on the Configuration options parameter page. Table 17 Designation Values Description Type of hour counter Hour counter Forward counter for duty cycle of the channel.
  • Page 39 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Designation Values Description Report service cyclically Send expiry of time to next service at regular intervals?  Object Service required. Time for cyclical transmission 2 minutes, 3 minutes, At what interval?

  • Page 40: Power Failure And Restoration

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.12 Power failure and restoration Table 18 Designation Values Description Dimming value during download same as before failure Restore status before download and bus failure or maintain status before bus failure. 100%, 0%, Apply set value here.

  • Page 41: Diagnostic Messages

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 3.3.13 Diagnostic messages The diagnostic messages are used during troubleshooting when there are faults. Table 19 Designation Values Description Which messages should be sent Send general error cyclically cyclically? Send short circuit cyclically...

  • Page 42: Appendix

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4 APPENDIX 4.1 Use of the soft switch function 4.1.1 General The Soft switch function is a cycle consisting of switch-on, dimming up, Maintain target brightness, dimming down and switch-off. 4.1.2 Soft ON for staircase lighting The following function is recommended for staircase lighting: When the light switch is operated: Full brightness.

  • Page 43: Driveway Lighting

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.1.3 Driveway lighting A motion detector activates the dimmer via the soft switching object. The lighting is dimmed up within 5 seconds if a movement is detected. This delay gives the eyes enough time to adjust to the light without being dazzled The lighting is gradually dimmed down within a minute and then switched off after the configured time has elapsed or a Soft OFF telegram is received via the button or via the motion detector (cyclic).

  • Page 44: Simulation Of Daily Routine

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.1.4 Simulation of daily routine Using a time switch, it is possible to simulate an entire daily routine with sunrise and sunset. To do this, the parameter "Time between Soft ON and Soft OFF" needs to be set to "Until Soft Off telegram"...

  • Page 45: Retriggering And Premature Switch Off

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.1.5 Retriggering and premature switch off It is also possible to influence the soft switching process while it is still active. Depending on which phase is currently being executed, the following responses can be triggered by Soft ON and Soft OFF telegrams.

  • Page 46: Soft Off Telegram During A Soft On Process

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.1.6 Soft OFF telegram during a Soft ON process The duration of the Soft OFF phase (t3’) is always equivalent to the configured time, independent of the current dimming value. 100 % t3’...

  • Page 47: Soft On Telegram During A Soft Off Process

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.1.7 Soft ON telegram during a Soft OFF process The duration of the Soft ON phase (t1’) is always equivalent to the configured time regardless of the current dimming value. 100 % t1’...

  • Page 48: Use Of The Force Function

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.2 Use of the force function Example: Lighting with brightness control during the daytime and minimum lighting during the night. The brightness controller continuously measures the brightness of the room and actuates the dimmer as required to keep the brightness constant.

  • Page 49: Dimming Energy-Saving Lamps (Esl)

    Certain LED lamps can no longer be dimmed down if they are controlled with a dimming value of > 90%. With the GDA2K-400 KNX / GDA4K-400 KNX, even these lamps can be dimmed. For this, the load selection LEDs (RC, 0-90%) is used.

  • Page 50: Selection Of Rc Or L Response

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.3.2 Selection of RC or L response: Alongside the recommendations of the ESL manufacturer, the following applies: • RC-mode: Generally recommended for ESL, especially for high loads (advantage: less heat generated in the dimmer).

  • Page 51: Dimmable Energy-Saving Lamps With Rc Response (Trailing Edge)

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.3.3 Dimmable energy-saving lamps with RC response (trailing edge) This setting allows dimmable energy-saving lamps with RC response to be dimmed. The energy-saving lamp always starts with 100% output and then, if applicable, automatically dims down to 95% after 3 seconds.

  • Page 52: Dimmable Energy-Saving Lamps With L Response (Leading Edge)

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.3.4 Dimmable energy-saving lamps with L response (leading edge) This setting allows dimmable energy-saving lamps with L response to be dimmed. No load detection is performed; dimming is carried out with leading edge instead.

  • Page 53: Dimming Led Lamps

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.4 Dimming LED lamps 4.4.1 General The dimmer may only operate LED lamps for 230V mains operation (so-called retrofit lamps), which are exclusively identified as dimmable. In dimming response, there are also manufacturer- and type-related differences. For that reason we recommend only operating lights of the same type in parallel on one channel.

  • Page 54: 4- Bit Telegrams ( Brighter / Darker )

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.5 4-bit telegrams (brighter/darker) 4.5.1 Telegram format 4-bit EIS 2 relative dimming: Table 22 Bit 3 Bit 2 Bit 1 Bit 0 Dimming range divided into increments Direction Code Increments Dim up: dim down: 1...

  • Page 55: Parameter: "Switching On/Off With A 4-Bit Telegram

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.5.2 Parameter: "Switching on/off with a 4-bit telegram" In general, the setting "Yes" is required. The setting "No" is available for use with special customer requests, e.g. in conference rooms. The situation is described below.

  • Page 56: The Scenes

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.6 The scenes 4.6.1 Principle The current status of a channel, or a complete device can be stored and retrieved later via the scene function. Each channel can participate simultaneously in up to 8 scenes.

  • Page 57: Calling Up Or Saving Scenes

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.6.2 Calling up or saving scenes: To call up or store a scene the relevant code is sent to the scene object (obj. 243). Table 24 Call up Save Scene Hex. Dec.
  • Page 58 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Continuation: Call up Save Scene Dec. Dec. Examples (central or channel-related): Select status of scene 5: → Send $04 to the relevant scene object. Save current status with scene 5: → Send $84 to the relevant scene object.

  • Page 59: Entering Scenes Without Telegrams

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.6.3 Entering scenes without telegrams Instead of defining scenes individually by telegram, this can be done in advance in the ETS. This merely requires the setting of the All channel scene statuses parameter (Scenes parameter page) to overwrite at download.

  • Page 60: Function Description

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.7.2 Function description Saving a scene: The touch sensor sends a read request to Gr.adr.1 which is only answered by the "Feedback in %" object and with Gr.adr.2. Gr.adr.2 is not processed by the object "dimming value".

  • Page 61: Maximum Incandescent Lamp Load In Parallel Operation And In

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.9 Maximum incandescent lamp load in parallel operation and in combination with dimming booster GBO-300 Parallel operation C1 + C2 800 W GDA2K -400 C1 + GBO GDA2K -400 700 W C1 + GBO + GBO...
  • Page 62 Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX Parallel operation C1 + C2 + GBO + GBO GDA2K -400 1400 W Parallel operation C1 + C2 + GBO + GBO + GBO GDA2K -400 1700 W Parallel operation C1 + C2 + GBO + GBO + GBO + GBO...

  • Page 63: Function Diagram

    Universal dimmer actuators GDA2K-400 KNX / GDA4K-400 KNX 4.10 Function diagram Block Object Central switching Switching ON/OFF Brighter/darker (4 bit) Report hours / time Reset to service Dimming value (1 byte) Report service Soft switching Brightness limit 230 V power...

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