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Velbus manual VMB1RS– edition 1 – rev.1.0

VMB1RS

Serial Interface

for VELBUS system

Summary of content (6 pages)

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VMB1RS Serial Interface for VELBUS system Velbus manual VMB1RS– edition 1 – rev.1.
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INDEX Features ......................................................................................................................................... 3 Velbus data .................................................................................................................................... 3 RS232C........................................................................................................................................... 3 Connection ..................................................
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Features: ◊ ◊ ◊ ◊ ◊ 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.
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CONNECTION For connection between the modules, use twisted pair cable (ex. EIB 2x2x0.8mm2, UTP 8x0.51mm - CAT5 or other). Use minimum 0.5mm² cable. For long wiring (>50m) or if a lot of modules ( > 10) are connected to one wire, use 1mm² cable. Connect the 12-18Vdc (mind the polarity) and connect the bus wires (mind the polarity). Connect the module to a COM port of the computer. You may use a Velleman serial cable, type CW014. H VMB1RS H L BUS + 12V - -12V+ 9-POLE SUBD L BUS TWISTED PAIR (0.
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USE Connect the module to the VELBUS system and the computer (see Connexion). Run a computer programme allowing you to communicate with the VELBUS system. You can also write a programme of your own. When powering the module, a ‘Bus active’ and ‘Reception ready’ message will be sent to the computer. All messages appearing on the VELBUS system will also be sent serially to the computer. Valid commands generated by the computer will be sent to the module via the COM port.
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Velbus manual VMB1RS– edition 1 – rev.1.