Siemens FS20 Mounting & Installation page 171

5.19.2.3 Connection terminals of line card (FDnet/C-NET) in card
Building Technologies
Fire Safety
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:
X12
4 3 2 1 4 3
7 7
8 6 5 8
● 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
X11 1 IO_1
2 IO_2
3 IO_3
4 IO_4
X12 1 IO_5
2 IO_6
3 IO_7
4 IO_8
X11 5 IO_9
6 IO_10
7 IO_11
8 IO_12
X12 5 IO_13
6 IO_14
7 IO_15
8 IO_16
Admissible cable cross-section: 0.2...1.5 mm²
Mounting and installation of the compact control panels
X11
2 1
6 5
Connection ↑ Loop
Loop1_1+ Loop 1
Loop1_1-
Loop1_2+
Loop1_2-
Loop2_1+ Loop 2
Loop2_1-
Loop2_2+
Loop2_2-
Loop3_1+ Loop 3
Loop3_1-
Loop3_2+
Loop3_2-
Loop4_1+ Loop 4
Loop4_1-
Loop4_2+
Loop4_2-
5
Module bus cards
↑ Stub
Stub 1
Stub 2
Stub 3
Stub 4
Stub 5
Stub 6
Stub 7
Stub 8
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2016-01-27