Questions tagged [dali]
DALI (Digital Addressable Lighting Interface) is a lighting industry specific protocol between control devices (controllers) and control gear (ballasts) formally specified by IEC62386.
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What is the data sent by the python-dali library for the commands Turnoff, Turnon, stepup, stepdown, and getstatus to the DALI driver? [closed]
Here is the link to the python-dali library, python-dali library
command description,
The table details are taken by referring -
DALI COMMANDS 1
dali2560/dali.txt
DALI COMMANDS 3
Connections overview
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Purpose of dual diode
I'm referring the DALI 2 schematics by Mikroe.
Within the circuit what is the function of D1 in given schematics?
And why they are using a dual diode?
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DALI - How switches and sensors communicate in DALI Bus [closed]
How the switches and sensors are communicating in the DALI Bus consists of an application controller and control gears?
What are the contents of the packet sent from these devices?
I was going through ...
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DALI: Address assigning using randomise is not working
I have a DALI setup only with one LED.
I set the high, medium, and low addresses to FF but when I send the compare command, I get no response.
When commands are broadcasted, I get responses for ...
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DALI protocol - D4i. How to access to memory bank DTR0, DTR1 at byte level using C code?
I'm currently stuck using DALI protocol with D4i drivers. I want to access the memory bank of one driver and read the energy parameters.
I know the opcode to read memory locations is 0xC5, since the ...
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DALI control device addressing modes and event source schemes
I have a multi-master DALI setup at home, where my part-301 push button couplers have been assigned with fixed functions provisioned through the OEM's SW. This means that I'm using plenty of ...
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DALI 209 DT8 RGB color commands
I know how to send DALI comands to change the temperature.
It is done by sending to following commands:
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Using transceiver between DALI and microcontroller
Does anyone have experience using a transceiver between a microcontroller and DALI bus? Please see the attached wiring diagram. I am not sure what is wrong with the circuit, but when I measure the ...
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How to control relays via KNX?
I'm trying a cost-effective way of controlling conventional non-KNX relays (impulse, solid state, bistable, contactors) with KNX devices/controllers, and am not having much luck. It seems that while ...
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Powering 3rd party sensors from DALI bus line [duplicate]
I have some custom 5v arduino sensors that I'd like to power from a DALI bus line. Multimeter reports 27vdc on the bus line.
My naive assumption is that connecting a 27 to 5vdc voltage regulator would ...
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DALI DAPC Control not working [closed]
I am using Osram constant current LED power supply to dimm led lights using DALI.
I have functional program with dimming using DALI DAPC commands.
Dimming in range 100-255 is okay and works as it ...
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DALI - DT8 - CCT Control command
I made the below code for setting CCT in DALI DT8 drivers as per the discussion on
DALI 209 - Device Type 8 - CCT control and DALI DT6-DT8 Sending commands above 255
The DTR setting is working ...
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DALI DT6-DT8 Sending commands above 255
From my understanding and research, each DALI command consists of 2 8 bit parts one for addressing and one for the commands which are sent one by one,
but there are commands above 255 which are more ...
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Why do almost all DALI master circuits calls for using an interrupt pin for RX?
I was searching for the DALI communication part for Dali Master Design and almost all designs use opto isolation circuits (which vary differently in components) and use MCU interrupt pin for DALI ...
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How can a DALI power supply handle shorting
I'm trying to understand how a DALI power supply can handle being shorted, when a controller is transmitting a signal. The AN1465 application node helped a lot with understanding a usage, but I'm ...
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DALI 209 - Device Type 8 - CCT control
I am new to DALI lighting control. trying to develop atmega based master controller especially for device type 8 (DT8). my main goal is color temperature adjustment.
I am going through IEC 62386-209. ...
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Keep microcontroller running for 450 us after power supply stops
I'm trying to power a microcontroller off a DALI communication bus. The bus voltage is 16V and is being regulated to 3.3V by a TS2950 to run the Attiny2313. The current draw from the circuit is ...
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Dali device discovery [closed]
How can we discover the DALI devices in a DALI bus? What is the command? What is the reply from devices for the command? If possible can you provide me a suitable resource where I can research more on ...
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DALI DT8 tunable white control - novice in need of help!
Completely new to DALI, and I need to control a tunable white luminaire.
I have a Hasseb USB to DALI interface (http://www.hasseb.fi/shop2/index.php?route=product/product&product_id=50), which ...
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What is the point of the Zener diode in this schematic?
I looked at DALI application node and stumbled upon this circuit. Everything but the Zener diode D4 makes sense. What is the function of D4?
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How to send out signal on two wires
I have two wires for a DALI communication bus. The voltage between them is 16V and I want to send out commands on the two wires from the bus. My guess would be to have a simple transistor between the ...
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Dali 2 - BUS PSU - pull down rate
I have wired up my DALI network with 2 drivers, a BUS and using the Mikro DALI 2 click boards with an ESP32 for the MCU.
I am able to send BROADCAST commands to switch the lights on/off but when it ...
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DALI - how do I get control gear that supports ballast status and lamp failure query? [closed]
I'm new to DALI.
I wanted to buy lights that I could query to see if there is a lamp failure. When purchasing control gear for these lights, how do I know that it supports this feature? If it lists ...
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Current draw and voltage drop of DALI bus line
I am starting with the DALI protocol and already was able to send/receive commands based on this project. With comments from a related question I improved my circuit and the quality of my signal.
The ...
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DALI addressing of multichannel driver
I am trying to set up an Arduino as DALI-Master for multiple light sources. As a starting point I made use of this excellent project. There is also a gitpage with a good overview of the available ...
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Using DALI-2 BUS interface(slave) to supply SiLABs EFR32xx
I am working on DALI bus converter, using EFR32xx MCU(SiLAbs) for home usage. My question is following.. Is it possible to get DC voltage from DALI interface to supply MCU unit(3.3V) to avoid stuff ...
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Understanding Dali2 D4i, 202 memory bank energy data
Below is a log from memory bank 202:
Bank [202] , Loc[0x04]: 255
Bank [202] , Loc[0x05]: 0
Bank [202] , Loc[0x06]: 0
Bank [202] , Loc[0x07]: 0
Bank [202] , Loc[0x08]: 1
Bank [202] , Loc[0x09]: 49
Bank ...
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Is there an IC which converts I2C/UART/SPI (or any standard communication interface) commands directly to DALI2 format? [closed]
Is there an IC which converts I2C/ UART/ SPI commands (or any standard communication interface) directly to DALI2 format? DALI seems similar to 1.2k baud UART in a sense, but is encoded in Manchester ...
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Retrieving energy data from dali2 D4i memory bank (202) of a luminare
I'm trying to read the memory bank202 from a DALI-2 supported led luminary for energy consumption.
it returns a value of zero. when i gone through the Dali part 252 energy reporting Doc. It asked me ...
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DALI : How to set a scene level?
I have set up my DALI master with 1 slave (prototyping phase) and managed to commission the slave (as far as I'm aware by testing against a direct arc level against the single short address). I am ...
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DALI interface to 3.3v
I'm trying to make a circuit to interface a DALI driver (Digitally Addressable Lighting Interface) to a SAML21 microcontroller.
Voltages on the DALI side goes from 0 to 22.5V, a digital 0 goes from 0-...
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Dali commissioning Luminaires
I have more than one lamp and i need to make a program to commissioning.
I've already did it whit a single lamp but now I don't know :
How to make addresses for multiple lamps (in my case A3 is ...
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Dali Light Addressing: How to?
As I am trying to create a program that addresses the various luminaires, I wanted to know better theoretically not the commands to give, but why I am giving that specific command.
I've searched for a ...
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Is additional isolation needed for inverter control circuitry?
I'm currently setting up a PV island system. Electricity is stored in two parallel 12V batteries which is then fed into a 300W 230V inverter. The load connected to the inverter consists out of several ...
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Series and parallel LED using
I am planning to build 4 LED-strips using two different 'white' settings (1+1 strip x 4). The LEDs will be driven by a 24V constant voltage dimmable RGB-DALI driver (up to 5A per channel). My idea is ...
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DALI Lighting (IEC62386-209) and Command-In-Between
Good Afternoon,
I'm having some trouble understanding IEC62386-209 section 12.7.3, which involves sending an "ENABLE DEVICE TYPE 8" command to DALI Control Gear prior to sending an extended (DT8) ...
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Dali - Handling multiple responses
I have found a similar answer related to taking care of multiple responses in a Dali bus system:
DALI: Handling multiple responses from DALI system
I'm designing the dali control device(master). I ...
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Can I have multiple KNX/DALI gateways on a single DALI line?
In our KNX test lab we have several KNX/DALI gateways from different vendors (ABB, Ipas, Siemens, etc.). We have 1 DALI line with a few testing devices.
Whenever we do tests we need to physically ...
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Dali Commissioning Without Randomise
I have 2 slave devices connected to my dali bus. I can set their short address using the below steps:
...
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DALI - Read Energy Consumption of a Luminaire
I have been trying to find a command to read information about the energy consumption of a luminaire using Dali, yet couldn't find anything on the documents.
Is this possible to read information ...
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Minimum Signal Current for DALI Driver
I was looking at the specifications for DALI drivers and apparently the nominal current usage is 2mA/driver for the dimming signal. Does anyone know what the minimum current is?
I have a 12V/1mA ...
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DALI: Resetted short addresses but now ballasts not responding to COMPARE?
I currently have a DALI set-up with three LEDs.
All LEDs turn off when sent a broadcast command to turn off, so the set-up is wired correctly.
I have removed all of their short addresses according ...
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DALI: How do I delete the short address from a device?
I have a device that already has a short address. I need to delete this short address so that I can do the initialisation process again (from random address to short address).
Can this be done? What ...
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What is this diode bridge used for in this circuit?
I'm currently trying to figure out how this circuit work :
I found this in a microchip documentation dealing with DALI (Digital Addressable Lighting Interface) protocol. The DALI protocol is mostly ...
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DALI deterministic commissioning
I am currently looking into setting up a DALI system with my own programmable DALI master and (over time) a multitude of DALI (LED) lights.
The general idea is to use an already existing DALI python ...
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I need help to understand a sniffer circuit schematic
I'm an electrical engineering students and for a school project I need to understand a circuit schematic. First, I will provide some context. The school project I'm working on is the modification of a ...
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Trouble understanding overvoltage protection circuit
I am working on a DALI circuit and came across this app note. App note gives a schematic which is supposed to protect the circuit in case someone connects 220 VAC wires to the DALI lines. Schematic ...
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DALI Commissioning reduction
Is there any way I can reduce the DALI commissioning?
I have an Occupancy sensor, photo sensor and a switch which are DALI devices.
So every time when I turn on the device it goes for commissioning ...
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Need help understanding DALI circuit and 220 VAC protection
I am making a circuit to interface my MCU with a DALI bus. My basic circuit works and I am able to communicate on DALI bus. It looks like this:
I fully understand the above circuit.
After my base ...
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Understanding DALI power supply
I am working on a DALI system and I came across this schematic for the DALI power supply in a Microchip app note AN1465:
It says the power line can be 12-20 Volts but the current has to be limited to ...
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