Introduction to DALI LED Driver
Amplitude dimming is available for currents above 200mA, while it is PWM dimming for 0~200mA. The corresponding frequency is 3.6 kHz.
Programming Methods
About MOONS’ Intelligent driver, two programming methods have been proposed successively.
They are cable programming and NFC (Near Field Communication)programming. Parameters of the LED driver can be modified, such as output current, minimum dimming level, and color temperature range, etc.
1. Cable Programming
When programming the driver through MCS ports, there is no need to electrify the driver.
When programming the driver through DALI ports, the driver should be electrified.
For more information about cable programming please click here.
2. Touch Programming
For NFC programming, there is no need to electrify the driver.
For further information about NFC programming please click here.
Firmware Upgrade
1. 64pcs S series DALI driver can be updated simultaneously through Smartkey and DALI power supply. During the updating process, all drivers should be electrified.
Unicast and broadcast upgrades take 2 and 4 minutes respectively.
2. 30pcs S series DALI driver can be updated simultaneously through Smartkey. During the updating process, all drivers should be electrified.
Unicast and broadcast upgrades take 2 and 4 minutes respectively.
Wiring Connection of Signal Line
Besides ordinary wiring method (bus), MOONS’ DALI driver also supports daisy chain wiring.
1. Ordinary Wiring Method
All signal lines of power supply should be connected to the bus, which makes it inconvenient for implementation.
2. Daisy Chain Wiring Method
Comparing with LED driver in the market, MOONS’ DALI LED driver owns 2 group DALI signal ports, which supports Daisy Chain connection. Daisy chain connection makes implementation to be easy and convenient.
Auxiliary Output Function
The LED driver is equipped with 12V/150mA auxiliary output to supply power for some DC input devices. In this way, one adapter can be spared. Note, DC device that in the figure is a MOONS’ two channels 0-10V WIFI module.
DALI Bus Power Supply Function
Some models of S series power supply have a 15V-100mA DALI bus power supply function.
Generally, the DALI sensor works with DALI Master and gets power from DALI auxiliary power supplier. However, DALI power supply is unnecessary for some application like a closed-loop control system, one DALI bus power supply can be spared.
DALI±ports of the DALI driver can provide power (15V,100mA) to DALI sensor and dimmer. However, this kind of DALI driver can not work with DALI Master. Because the additional power on the DALI bus will lead signal to be disturbed and DALI Master to be broken.
Over Temperature Protection (NTC)
Considering that heat dissipation effects of some lamps are poor, which is more likely to result in overheating of LED chip so as to further damage it, the LED driver is equipped with an MCS± port exclusively used to externally connect an NTC thermistor.
When the temperature of the lamp panel goes beyond temperature limited value you set, the LED driver will decrease the current to be 50%. When the risk (over-temperature) removed, the driver will recover the output.
Matching NTC Thermistor
