Excel 800 LION
25 EN1B-0375GE51 R0308
Connecting Single Bus Controller Systems
This section describes how to connect a controller system
which uses Panel Bus I/O modules only or L
ON
W
ORKS
Bus I/O modules only.
Controller and I/O Modules on a Single Rail
►
Connect controller and I/O modules using the bridge
connectors.
This provides power supply and communication connection.
No further wiring is necessary.
Controller and I/O Modules on Several Rails in a
Single Cabinet
The rails of a controller system are connected in series.
►
Connect the rail ends as follows:
– Power supply
via power supply terminals 73, 74 or 77, 78
– Communication
via communication terminals 71, 72 or 75, 76
LION
I/O MODULE
1
LION
I/O MODULE
71
72
73
74
LION
I/O MODULE
71
72
73
74
LION
I/O MODULE
72
73
74
LION
71
72
73
74
Fig. 32 Wiring the power supply and the communication
lines to the I/O modules
Maximum Power Cable Length
The maximum length for power supply cable per side is 3 m.
This also includes the connection cables between the rails,
the lengths of the modules, and the cable from the
transformer.
Panel Bus I/O Modules in Separate Rooms
In this scenario, communication and reference voltage
(24 V0) must be connected between the rooms.
►
Connect the last module of room 1 to the first module of
room 2:
– Reference voltage
via power supply terminals 74 or 78
terminals 73 and 77 must not be connected
– Communication
via communication terminals 71, 72 or 75, 76
CLLIONLC01
1 2
71
72
73
74
ROOM 2
ROOM 1
LION PANEL
I/O MODULE
73
LION PANEL
I/O MODULE
75
Fig. 33 Wiring the Panel Bus I/O modules in separate
rooms
Maximum Cable Length
The maximum cable length for connecting room 1 and
room 2 is 40 m.
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