Siemens FS20 - Page 171

Mounting and installation of the compact control panels
Module bus cards
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Building Technologies
008851_s_en_
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Fire Safety
2016
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5.19.2.3 Connection terminals of line card (FDnet/C-NET) in card
cage
The ↑ line card (FDnet / C-NET) FCL2001-A1 determines the PIN assignment of
the four connection terminals in the card cage.
External connections on the card cage using the example of module bus card 1
with the associated connection terminals X11 and X12:
● The external connections of module bus card 2 are on connection terminals
X21 and X22
● The external connections of module bus card 3 are on connection terminals
X31 and X32
● The external connections of module bus card 4 are on connection terminals
X41 and X42
● The external connections of module bus card 5 are on connection terminals
X51 and X52
Depending on the card cage, not all slots may be available for module bus cards
and connection terminals. However, the numbering and assignment of the
connection terminals are identical on all card cages.
Connector Pin Signal Connection ↑ Loop ↑ Stub
X11 1 IO_1 Loop1_1+ Loop 1 Stub 1
2 IO_2 Loop1_1-
3 IO_3 Loop1_2+ Stub 2
4 IO_4 Loop1_2-
X12 1 IO_5 Loop2_1+ Loop 2 Stub 3
2 IO_6 Loop2_1-
3 IO_7 Loop2_2+ Stub 4
4 IO_8 Loop2_2-
X11 5 IO_9 Loop3_1+ Loop 3 Stub 5
6 IO_10 Loop3_1-
7 IO_11 Loop3_2+ Stub 6
8 IO_12 Loop3_2-
X12 5 IO_13 Loop4_1+ Loop 4 Stub 7
6 IO_14 Loop4_1-
7 IO_15 Loop4_2+ Stub 8
8 IO_16 Loop4_2-
Admissible cable cross-section: 0.2…1.5 mm²
43
658
7
2143
6
5
8
7
2
1
X11
X12