E3H020 C-Bus Gateway
123
Building Technologies 001260_k_en_--.doc
Fire Safety & Security Products 02.2005
30.5 Supply wiring principle
E3H020 is placed inside the control
unit housing:
– 24 V Supply single wire
– Jumpers 17-18, 19-20
C-Bus
CC
24VDC
CC
E3H020
X1-17...20
Supply
CT
E3X10.
E3H020 is placed outside
the control
unit housing:
– 24V supply must be wired as double
supply
C-Bus
24VDC
X1-17...20
Supply
CC CT
E3H020
C-Bus
CC
Autonomous
power supply
E3H020
Supply
I-Bus
E3C...
CT
K1
K1
Data communication
I-Bus
ST1
ST1
24V/5VDC
E3H020 is placed outside
the control
unit housing:
Autonomous power supply
With autonomous power supply the
E3C011 has the following configuration:
– Emergency power supply provided
– Symmetry monitoring active
– Presence monitoring active
– Battery charging active
– Battery load test active
– Battery integrated
– I-Bus address = 1
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