Velleman VMB1TSW User Manual download pdf (Page 5)

VELBUS CHARACTERISTICS

 2-wire communication for Velbus data and 2 wires for power supply

 data transmission: 16.6 Kbit/s

 Serial data protocol: CAN (Controller Area Network)

 Short circuit proof (towards negative or positive pole of the power supply)

 LED indication when receiving or transmitting data over the Velbus

 bus error indication: 2 short flashes of the LEDs

 auto recovering after 25 seconds when a bus error occurs

The sensor module can be given a designation with a maximum of 16 characters.

The temperature sensor module can transmit following messages:

 output status

 manual pushbutton status

 sensor status

 sensor temperature, minimum and maximum temperature

 time statistics (heating/air-conditioning on time)

 sensor settings

 sensor configuration

 module type (including zone number and software version)

 sensor name

 memory content

 the communication error counter

The temperature sensor module can transmit following instructions:

 change the status of the LED(s) on the pushbutton module

 switching off the LED(s) on a pushbutton module

 switching on the LED(s) on a pushbutton module

 make LED(s) on a pushbutton module flash slowly

 make LED(s) on a pushbutton module flash fast

 the desired temperature for the linked sensor to create a differential thermostat

The temperature sensor module can receive following messages:

 the status of a pushbutton module

The temperature sensor module can receive following instructions:

 to set:

 the desired temperature

 the desired comfort temperature for heating

 the desired day temperature for heating

 the desired night temperature for heating

 the anti-freeze safeguard temperature

 the heating limit

 the desired comfort temperature for cooling

 the desired day temperature for cooling

 the desired night temperature for cooling

 the lower limit of the cooling preset range

 the upper limit of the cooling preset range

 the hysteresis

 calibration of the sensor

 the temperature difference for fast heating/cooling or for the differential thermostat

 the temperature difference for fast heating or cooling

 the alarm temperatures

 the default duration of temporary mode (sleep time)

 the zone number

 the address of the linked sensor to set up a differential thermostat

 to determine:

 heating

 cooling

 local control panel:

 lock

 unlock

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Velleman VMB1TSW User Manual Page 5

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