K-BUS
®
KNX/EIB
Dimming Actuators
11
1.6. Dimming master, 4fold and dimming slave, 2fold, 5A
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
are similar to universal dimmers. Which make up the universal dimmer lacking in high-power lamps dimming
area. The slave can connect with dimming lamps, such as incandescent lamps, HV halogen lamps, LV halogen
lamps(with conventional or suitable electronic transformers), dimming 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 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:
◆
Switching the light
◆
Relative dimming
◆
Absolute dimming
◆
Status report, error report
◆
Setting 15 scenes
◆
Staircase lighting function
◆
Bus recovery (or reset) function
◆
Preset value and modify preset value functions
◆
Switch/relative dimming via manual buttons
◆
LED display function for channels
The following list provides a functional overview for the dimming slave:
◆
SCR dimming, the leading-edge cut-phase
◆
short-circuit and over temperature protection
◆
Can be connected with 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.
