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Velleman VMB1RS User Manual

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Velbus manual VMB1RS– edition 1 – rev.1.0

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Features:


Velbus

:


RS232C:

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2-wire communication for the VELBUS data and 2 wires for power.
Data transfer: 16,6Kbit/s.
Serial data protocol: CAN (Controller Area Network)
Short-circuit proof (towards negative or positive of power)
Self restoring after 25 seconds in case of a bus error.

◊ Can be used to control the VELBUS system through a computer.
◊ VELBUS message processing on the computer.

◊ Full duplex RS232C communication with PC.

◊ Galvanic separation between the computer and the VELBUS system.
◊ LED indication for:

• Power voltage.

• Data reception and forwarding to the computer.

• Data reception and forwarding through VELBUS.

◊ Required mains voltage: 12V ... 18VDC

◊ Consumption: 17mA.

Dimensions (L x B x H): 43 x 40 x 18mm.

Baud rate: 38400
Data bits: 8
Parity: none
Stop bits: 1
RTS: high
DTR: low
Reception buffer for 6 commands.
Report when reception buffer is full and free for reception.
Bus fault and ‘bus active’ status report