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4CH dimming master is used with 2CH 5A dimming slave as well. The dimming slaver takes the leading edge cut phase dimming mode of SCR. A dimming master can be connected with two dimming slaves, each output can be independently switching and dimming, and the max. Power is 1000W for per output. The load types is similar to universal dimmers. Which make up the universal dimmer lacking in high-power lamps dimming area. The slave can connect with dimmable lamps, such as incandescent lamps, HV halogen lamps, LV halogen lamps(with conventional or suitable electronic transformers), dimmable energy saving lamps and LED. And the master can switch, dim, recall scene or carry out other operations to these lamps via the bus.
The slave has an integrated short-circuit and over temperature protection.
The devices adopt screw terminals to achieve electrical connection; the connection to the EIB/KNX bus or control bus are established via bus connecting terminals. But the control bus is only signal line, and is no power supply.
The following list provides a functional overview for the dimming master:
The above function of parameters to configure and use are described in the chapter 5. The database file (.vd4) of the master is the same with KA/D0403.1. But the error report function is different, the detail in section 4.9, 5.2. Meanwhile, there is added a manual operation function in the normal dimming mode, it is invalid in the staircase lighting mode.Switch via a short operation of manual buttons, relative dimming via a long operation, and in the case of the bus voltage fail the manual operation is also valid.The slave is no parameters to configure, it performs the functions of master configuration.
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