Can Bus - Can; Illumination - Kanardia INDU Manual

Altimeter — Manual
Water must not be allowed to enter the tubing.
It is strongly recommended to label each tube before connecting to Indu
Altimeter. This will help a lot if you ever have to remove and re-install the
instrument.
2.2.2

CAN Bus - CAN

Connection to the CAN bus is optional and is not required for the normal
operation.
Use standard RJ45 ethernet cable to connect it with other Kanardia equip-
ment.
When connected to the bus, Indu Altimeter will transmit altitude, QNH and
vario to other units connected to the bus. At the same time it will serve as a
data logger - it will log most of relevant information provided on the bus.
Please note that CAN bus must be terminated. Typically, this means that
one of the connecting instruments must have a terminator plug installed.
In addition, Indu Altimeter also provides limited power (about 1 A at 12 V)
for devices connected on the CAN bus. For example: to power a slave Indu
Vertical Speed Indicator you can connect it to your Indu Altimeter via CAN
bus.
Altimeters equipped with backup battery have slightly different CAN bus
connectors. In this case only one connector provides output power, while the
second one does not. Connector that provides power is marked with red
label. A device connected to this connector will also get backup power from
Indu Altimeter in the case of main power bus failure. This backup power is
limited to 150 mA at 12 V, which typically allows connection of one other
Indu instrument.
2.2.3

Illumination

LCD display brightness level can be adjusted. Here are two options: new
instruments have a push-rotate knob, while older instruments have only ro-
tating knob. When Indu Altimeter is connected to the CAN bus, the knob
adjusts brightness of all instruments connected to the bus.
On instruments with a push knob, simply push the knob, adjust the brightness
and push the knob once more.
For instruments with only rotation knob, an optional external illumination
knob can be connected to the back of the instrument. Illumination knob part
13
2.2 Connections
CAN
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