1.2.4 Wind direction sensor
There can be 1 wind direction sensor connected to the VBC. This one can be a current type or a digital sensor.
If the heated sensors maximum current consumption is 100 mA, the sensor can be connected directly. An
external power supply must be used, if the heated sensors current consumption is higher than 100 mA.
Current sensor with heating less than 100 mA:
The sensor can be directly connected to the VBC. Use the 12 V (108 or 109) from the
wind speed connection and connect the output of the sensor to North (115). Also con-
nect the ground (119).
Jumper 3 must be placed to the left side.
Current sensor with heating more than 100 mA:
The sensor cannot be directly powered by the VBC. Therefore an external power supply
unit must be placed. Only the signal (North = 115) and the ground (119) must be connected.
Jumper 3 must be placed to the left side.
Digital sensor with our without heating:
Both with and without heating can be directly connected to the VBC (provided that the
heating consumes no more then 100 mA). Connect the wind direction sensor to termi-
nals 114 to 119. For the heater power supply (max. 100 mA) terminals 108 or 109 from
the wind speed can be used. Jumper 3 must be placed to the right side.
1.2.5 Temperature sensors
There can be 2 temperature sensors TS-01 connected to the VBC. The temperature sensor is
connected between terminal 120 and 121 for sensor 1 or between terminal 122 and 123 for
sensor 2. The sensors do not have a polarity and can therefore connected in both ways.
1.2.6 Sun sensors
There can be 8 sun sensors SS30 connected to the VBC. The terminals are 124 to
139. 124 and 125 are for sensor 1, 126 and 127 are for sensor 2 etc. It is possible
to use 1 wire for the 5 V (for 8 sensors 9 wires can be used instead of 16). The sen-
sors do not have a polarity and can therefore connected in both ways. Each sensor
can be assigned to 1 or more groups.
Installation instructions
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47 –
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