Velleman VMBRSUSB User Manual
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Serial and USB interface for
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VELBUS system
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Velbus manual VMBRSUSB – edition 1
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INDEX
Features
Velbus data......................................................................................................................................3
RS232C...........................................................................................................................................3
USB .................................................................................................................................................3
Conection
VELBUS connection........................................................................................................................4
Install the serial connection............................................................................................................. 5
Connection with the computer.........................................................................................................5
Through serial port.......................................................................................................................... 5
Through USB port ........................................................................................................................... 6
Use...........................................................................................................................................................7
Velbus manual VMBRSUSB – edition 1
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FEATURES
◊ VELBUS system control through a computer
◊ VELBUS message processing on the computer
◊ Galvanic separation between the computer and the VELBUS system
◊ LED indication for the USB power supply
◊ Required mains voltage: 12 to 18 VDC
◊ Power consumption: 15 mA
◊ Power consumption USB port: 35 mA
◊ Standard DIN rail enclosure (2 modules)
◊ Dimensions (L x W x H): 90 x 36 x 58 mm
VELBUS:
◊ 2-wire communication for the VELBUS data and 2 wires for power.
◊ Data transfer: 16.6 kbit/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
◊ Reception buffer for 5 commands
◊ Reporting when the reception buffer is full and free for reception
◊ Bus error and “active bus” indication
RS232C
◊ Baud rate: 38400
◊ Data bits: 8
◊ Parity: none
◊ Stop bits: 1
◊ RTS: high
◊ DTR: low
USB
◊ USB V2.0 compatible
◊ Data transfer: 12 Mb/s (full speed)
◊ RS232 emulation over the USB bus
◊ Reception buffer for 5 commands
◊ Uses standard Microsoft® Windows® “usbser.sys” driver.
◊ Driver (.inf) file available for Microsoft® Vista, Microsoft® Windows® XP and Windows® 2000.
Velbus manual VMBRSUSB – edition 1
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