454 – 4-Channel Trailing-Edge Dimmer

		454 – 4-Channel Trailing-Edge Dimmer

The DIN rail-mounted DIGIDIM 454 is a four-channel trailing-edge dimmer with each channel capable of controlling 2.2 A.

It supports capacitive and resistive loads and can be connected directly to mains voltage lamps, and low voltage lamps with electronic transformers.

Each channel of the dimmer has both current and thermal protection.

There is a push button user interface for monitoring, manual configuration and control purposes.

For more information, visit the Helvar Website.

Configure Device

You can configure this device via the Properties View. For informartion, see SDIM Control Gear Configuration or DALI Control Gear Configuration (depending on the type of subnet to which the device is connected).

Output Table	Output Type	Control Protocol	Notes	Additional Information
t 0	Non Dim	All		Switched on and off only
t 1	Linear	SDIM / DMX	*	Linear light with respect to control
t 2	Square	SDIM / DMX	*	Conforms to IES Square law standard
t 3	S-law	SDIM / DMX	*	‘S’ shaped light curve
t 4	DALI logarithmic	DALI	**	IEC 62386-205
t 5	SSL Curve	DALI	**	Matched to Helvar 452 dimmer
t 6	DALI linear	DALI	**	Usage NOT recommended with Designer

Notes:

* Under DALI control, t 4 is used.

** Under SDIM control, t 1 is used.