Velleman-projects VMBDMI Extended user manual Manuel d'utilisateur télécharger pdf (Page 9)

VMBDMI Dimmer manual – edition 1 9

USE

This module can be used to dim dimmable mains voltage lamps or low voltage lamps in combination with a

dimmable iron core transformer.

The module is added to the Velbus system and controlled via the control panel VMB4PD or via pushbuttons

connected to a pushbutton interface VMB8PB.

To connect the Velbus modules with each other, a twisted pair cable is recommended (EIB 2x2x0.8mm², UTP

4x2x0.51mm² - CAT5 or equivalent).

When a lot of modules (more than 10) are connected on the Velbus cable or the Velbus cable is very long (over

50m) it is important to foresee a cable with sufficient wire diameter (0.5mm

of more).

Connect the bus to the module (mind the polarity).

Connection scheme with mains voltage lamps

Attention:

At higher output power the dimmer housing becomes hot. It is strongly recommended to keep sufficient free space

around the dimmer to allow adequate ventilation.

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Velleman-projects VMBDMI Extended user manual Manuel d'utilisateur Page 9