37
© Carlo Gavazzi A/S
The example below shows three segments (L1 busses) connected to the L2 bus� The example has a
“master” which provides the system with multiplex signala and a display which shows the total num-
ber of available spaces in the system� The two monitor modules are programmed as “master indica-
tors”� They produce no multiplex signal but they are able to show available spaces from one or several
segments (L1 busses)�
The example also shows that all the displays have their own power supply� This is to avoid mixing the
galvanic separation between the two busses L1 and L2�
Software Network Added
With the Dupline
®
Parking Guidance System Guidance System software it is possible to monitor
and control the parking system from one or several central locations� Features include monitoring of
real-time status based on graphical images and key figures for the various user defined areas, moni-
Master Module
Power Supply
Sensor
Indicator
Power Supply
Display
Parking Monitor
Up to 120 sen-
sors
Dupline
®
3-wire bus
RS485
Slave Mode
Master Mode
Master Indicator
Master Indicator
Master Module
Power Supply
Sensor
Indicator
Power Supply
Display
Parking Monitor
Up to 120 sen-
sors
Dupline
®
3-wire bus
RS485
Master Module
Power Supply
Sensor
Indicator
Power Supply
Display
Parking Monitor
Up to 120 sen-
sors
Dupline
®
3-wire bus
RS485
Slave Mode
Slave Mode
Power Supply
Power Supply
Master Module
Fig. 26: Three segments connected to Bus L2