Velleman projects VMB4DC Short user manual - Manual (Page 4)

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Connection diagram with
dimmable neon lighting
The neon lighting must be equipped with a dimmable
electronic ballast using a 1-10V control signal.
You can connect several neon tubes to 1 channel.
The Velbuslink program links every dim channel with a
relay channel in momentary control so the voltage of
the neon tube drops at 0V in order to switch it com-
pletely off.
4 ch. relay module
VMB4RYLD
4 ch. 0/1 to 10V dimmer
controller VMB4DC