SWT 3000 Equipment Manual Interface Modules
© SIEMENS AG 2008 Edition p3_3_2x 08/09 Page - 11
Connection of the IFC modules
The interface module IFC must be connected from the protective relay via the modular terminal
block X1 (conductor cross-section 1,5 mm
2
). The terminal assignment can be seen in the following
drawing.
BI4BI3BI2BI1
CO1CO2 CO3 CO4
K9 K10 K11 K12
K5 K6 K7K8
4A
3A
2A
1A
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
IFC-D/P
CR
IFC-S
1A to 4A Modular terminal block BI1 - 4 Binary inputs 1 to 4
IFC-D/P IFC-D or IFC-P module CO1 - 4 Command outputs 1 to 4
IFC-S IFC-S module K5 - K12 Signaling relays
CR Joint root of relays K5 - K12
Figure 11: Terminal assignment of the IFC modules