Technical information
TECHNICAL INFORMATION
222
C-Bus Design Guide
9 Example Congurations
(cont’d)
C-Bus Basic Wiring Diagram
Control Room
C-Bus CONNECTIONS
RS-232
1
st
FL.
2
nd
FL.
Computer
PCI
Central Selector Switch
Or
Touch Screen
Energy Control Panel 1 (ECP1)
Energy Control Panel 2 (ECP2)
to Next Floor
NE A/L
C-Bus CONNECTIONS
1A 1B 2A 2B 3A 3B
7A 7B 8A 8B 9A 9B
4A 4B 5A 5B 6A 6B
10A 10B 11A 11B 12A 12B
Relay Unit
220 Vac
NE A/L
C-Bus CONNECTIONS
1A 1B 2A 2B 3A 3B
7A 7B 8A 8B 9A 9B
4A 4B 5A 5B 6A 6B
10A 10B 11A 11B 12A 12B
Relay Unit
220 Vac
Local Switch
Local Switch
Local Switch
to Control Room
UTP Cat.5
(Single Line)
36Vdc
3A 3B
N A/L
C-Bus CONNECTIONS
Power
Supply
220 Vac
220 Vac
NE A/L
C-Bus CONNECTIONS
1 2 3 4 5 6 7 8 A/L N
Dimmer Unit
R S T
Load
Load Center
4CH. Relay
20A. Unit
Relay Control by
Key Input Unit (SW.)
Sensor or Computer
Motion Sensor
Example C-Bus Wiring & Control
1 2 CH1
CH2
CH3
CH4
3 4
5 6
7 8
9 10
N
Key Input Unit
or
NE A/L
C-Bus CONNECTIONS
1A 1B 2A 2B 4A 4B
Relay Unit
4 CH. Relay (20A/CH.)
NE A/L
C-Bus CONNECTIONS
1 2 3 4 5 6 7 8 A/L N
Dimmer Unit
8 CH. Dimmer
NE A/L
C-Bus CONNECTIONS
1A 1B 2A 2B 3A 3B
7A 7B 8A 8B 9A 9B
4A 4B 5A 5B 6A 6B
10A 10B 11A 11B 12A 12B
Relay Unit
12 CH. Relay (10A/CH.)