Siemens FS20 - Page 170

Mounting and installation of the compact control panels
Module bus cards
5
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Building Technologies
008851_s_en_
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Fire Safety
2016
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01
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27
Element Des. Function
Connection terminals X9 System supply connection
X11 Connection terminals for module bus card 1
X12 Connection terminals for module bus card 1
X21 Connection terminals for module bus card 2
X22 Connection terminals for module bus card 2
X31 Connection terminals for module bus card 3
X32 Connection terminals for module bus card 3
X41 Connection terminals for module bus card 4
X42 Connection terminals for module bus card 4
X51 Connection terminals for module bus card 5
X52 Connection terminals for module bus card 5
Connector
Degraded mode
X15 Connector for degraded mode indicator [AT] of module bus card 1
X25 Connector for degraded mode indicator [AT] of module bus card 2
X35 Connector for degraded mode indicator [AT] of module bus card 3
X45 Connector for degraded mode indicator [AT] of module bus card 4
X55 Connector for degraded mode indicator [AT] of module bus card 5
Internal bus X500 Connector for module bus output to other card cages
X501 Connector for module bus input