SWT 3000 Equipment Manual Interface Modules
© SIEMENS AG 2008 Edition p3_3_2x 08/09 Page - 7
Slot and module identifier
An existing IFC module and its slot address are automatically recognized by the PU3 in the
SWT 3000 system.
A suitably configured ribbon cable. must be used for the slot identification function.
PU3IFC-[x]-2
GND
P5
IFC_SLOT
IFC-[x]-1
P5
IFC_SLOT
IFC Controller
IFC_SLOT_N
IFC_SLOT_N
X41/1 X41/1
IFC Controller
*)
Figure 5: Principle of slot identification in the SWT 3000 system
Connection 1 to slot 2 is disconnected with the ribbon cable used.
IFC-2
IFC-1
PU3
1
26
*)
*) Connection 1 to module slot 2 is disconnected
Figure 6: Ribbon cable for connecting the IFC modules to the PU3
The module type is recognized by the IFC controller through the different equipment of the mod-
ules and this is signaled to the PU3.
PU3IFC-[x]-2 IFC-[x]-1
CON
TYPE
P5
P5
PU3CON
Option
TPibus
TYPE
CON
Figure 7: Type identifier of the IFC modules.
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