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ABB i-bus KNX Manual Shutter Control - 47 Pages
17
Circuit design
2.2.1. Sending two group addresses
Sending two group addresses is possible, when a group address is sent on the rising edge,
when a push button is pressed as well as on the falling edge when the push button is released.
Both addresses can contain different values.
Devices already featuring this capability are the Binary Inputs BE/S x.x.
Fig. 10
The TRITON push button or the inputs (e.g. BE/S x.x and US/U x.2) with the function
1 bit light scene also enable this function, where two actuator group types use 1 bit
with the presetting ON or OFF.
Fig. 11
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12Circuit design2.1.3.4. Parallel connection of several drivesNormally only one drive is connected per channel, otherwise reverse voltages may occur withthe... -
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13Circuit designShutter Actuator JA/S 2.230.1One exception is the use of the Shutter Actuator JA/S 2.230.1. It allows for the connectionof two drives to... -
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14Circuit design2.1.4. Bus voltage failure, bus voltage recovery, programmingTo prevent uncontrolled movement or stopping at bus voltage failure, bus voltage... -
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15Circuit designStandard Motor Interface (SMI)With the use of conventionally available Shutter Actuators and drives, it is not possible toreceive feedback... -
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16Circuit design2.2 Group and central circuitsA very important function of the KNX systems is the realisation of group and central circuits.Here the complete... -
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18Circuit design2.2.2. Central command and status feedbackThe description of the available status messages with Shutter Actuators are described in chapter2.1.4.1... -
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19Control functions3. Control functionsThe following control functions are available to operate the shading, windows, skylights andawnings of a building... -
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20Control functionsFig. 13: Overview KNX devices with time functionsFor further information see: Application manual Lighting and lighting control,Devices... -
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21Control functions3.1.2.1. Linking with external brightnessSolution with Application Unit ABL/S 2.1For the closing movement, the operating push button... -
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22Control functionsFig. 15: Logic for opening movementBoth states must be 0. Only in this way is the result of the operation a logical 0 and the drive... -
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