Velleman VMB4RYLD - Manual (Page 5)

VMB4RYLD 4-channel relay module user manual - version 1 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 relay module can send following messages:
• relay
status
• relay module type (with software version)
• channel
names
• communication
error counter
• memory
capacity
The relay 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 relay module can receive following messages:
• pushbutton
module status
The relay module can receive following commands :
• switch on relay channel
• switch off relay channel
• start
timer
• start
blinking timer
• recall relay status
• recall module type and software version
• recall communication error counter
• recall relay names
• recall memory contents
• overwrite memory contents
• switch off pushbutton indication LED