Electrical documentation
© Solarbayer GmbH [210105]
67
13.4
CAN-Bus-Setup
This section explains how to configure the CAN bus correctly.
CAN-Bus-closing-off
At both terminals in a CAN bus system a line termination must be made. This is necessary to prevent
transmission errors due to reflections on the line.
The cable must be terminated at connector X13 with a 150 Ω resistor (X13 with termination resistor included
in scope of delivery).
13.5
Wiring
instructions
The signals that can be captured by the analog inputs are very small compared to the digital signals. In order
to guarantee perfect functioning, it is essential to observe careful cable routing:
The connecting lines to the analog signal sources must be wired as short as possible and without
parallel routing to digital signal lines.
The signal lines must be shielded.
230 V AC lines (mains line and relay outputs etc.) must not be installed parallel to analog and digital
input lines.
Can-Bus – connection
unit 1
unit 2
Can-Bus – close-off setting
Can-Bus – close-off setting
150 Ohm
Содержание BioX 15
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