Velleman VMB4DC - Manual (Page 5)

VMB4DC 4-channel dimmer controller module user manual – version 3 5
VELBUS CHARACTERISTICS
• 2-wire communication for Velbus data and 2 wires for power
• data transfer: 16.6 kbit/s
• serial data protocol: CAN (Controller Area Network)
• short-circuit proof (towards (-) or (+) of power)
• bus error indication: 2 short blinks of the operation mode LED
• self-restoring after 25 seconds in case of a bus error
Possibility to assign a name (max. 16 characters) to each output channel.
The dimmer controller module can send following messages:
• dimmer
status
• dimmer controlling module type (with software version)
• dimmer
names
• communication
error counter
• memory
capacity
The dimmer controller module can send following commands :
• switch off LEDs on a control module
• switch on LEDs on a control module
• slow or fast blinking of the LEDs on a control module
The dimmer controller module can receive following messages:
• pushbutton
module status
• fader
status
The dimmer controller module can receive following commands :
• dimmer
value setting
• to last-used dimming level
• stop
dimming
• timer
start
• recall dimmer status
• recall module type and software version
• recall communication error counter
• recall dimmer names
• recall
memory contents
• overwrite
memory contents
• switch off pushbutton indication LED