Velleman VMB8PBU Manual de usuario descargar pdf (Pagina 4)

4 8-channel pushbutton module | VMB8PBU – ed.1

VELBUS CHARACTERISTICS

• 2-wire communication for Velbus data + 2 wires for power supply

• Data transmission rate: 16.6 Kbit/s

• Serial data protocol: CAN (Controller Area Network)

• Short circuit protected (both towards ‘+’ and ‘-‘ of the power supply)

• Bus error indication: 2 short flashes of the indicator LEDs

• Self repairing after 25 seconds when a bus fault occurs

Each pushbutton can be given a name of up to 16 characters (max.).

The module can send following messages:

• Pushbutton pushed, pushed long or released

• Module status

• Module type: 8-channel pushbutton module (including software version)

• Pushbutton names

• Communication fault counter

• Memory content

The module can receive following commands:

• Switch off indicator LEDs

• Switch on indicator LEDs

• Slowly flashing of the indicator LEDs

• Fast flashing of the indicator LEDs

• Very fast flashing of the indicator LEDs

• Request status

• Request module type and software version

• Request pushbutton names

• Request memory content

• Overwrite memory content

• Request communication fault counter

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Velleman VMB8PBU Manual de usuario Pagina 4