C-BUS TRAINING MANUAL - VOL 1
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1.9 Network Burden
A network burden applies a standard impedance to a C-Bus network. It consists of a 1kΩ, 0.6W
resistor in series with a 10 to 22µF, 50V capacitor as shown below.
Figure 7 – A network burden
There are two ways in which a network burden may be added
• via hardware
• via software (by enabling a unit’s in-built burden).
A network burden should only be used to adjust the network impedance to between 400Ω
and 1.5 kΩ.
A hardware burden is enclosed in an RJ45 package, which can easily be added or removed from a
C-Bus socket. The software burden is enabled or disabled using C-Bus Toolkit software.
10uF - 22uF
50V
1kΩ 0.6W
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