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WL Communication-capable Circuit Breaker
Connection Diagram
Breaker Data Adapter
1
(BDA)
Browser-capable input
2
and output device
(e.g. notebook)
WL Circuit Breaker
3
COM16 MODBUS
4
module or COM 15
PROFIBUS module
Breaker Status Sensor
5
(BSS)
Electronic Trip Unit
6
Metering function or
7
Metering function PLUS
Zone Selective
8
Interlocking (ZSI) module
Digital output module
9
with relay or optocoupler
outputs
10
Digital output module
with relay or optocoupler
outputs, remotely
configurable
Analog output module
11
Digital input module
12
WinPM.Net on PC
13
PLC (e.g. SIMATIC S7)
14
BDA Plus
15
Features
• Industry standard MODBUS
or PROFIBUS communication
available on all WL breakers
from 200A to 5000A.
• The high modularity of
the WL Circuit Breakers
and accessories allows
simple retrofitting of all
communication components.
WL Selection and Application Guide • 2005
13
14
2
• The ability to connect
additional input and output
modules to the breaker-
internal CubicleBUS of the
WL opens up a range of
opportunities to reduce
secondary device count
and wiring and to increase
functionality implemented
in switchgear.
13
9
8
4
5
1
6
7
• Innovative software
products for local
configuration, operation,
monitoring and diagnostics
of WL Circuit Breakers using
MODBUS, PROFIBUS or via
Ethernet/Intranet/Internet.
WL Circuit Breaker
12
11
15
10
3
• Complete integration
of WL Circuit Breakers in
all Totally Integrated Power
and Totally Integrated
Automation Solutions.
2/3
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