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Siemens FC924 User Manual

Siemens FC924
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FS20 Marine Fire Detection Control Panel
95
Siemens Industry, Inc. A6V10519176_enUS_b
Building Technologies Division
17.4 Pin Assignments for NAC 2
17.4.1 X5 NAC 2 class A and NAC 2-1 and NAC 2-2 class B terminal block
Pin
Designation
Description
4 NAC2-1 (+) Positive feed for notification appliances for NAC 2 class A or NAC 2
3 NAC2-1 (-) Return feed for notification appliances for NAC 2 class A or NAC 2
2 NAC2-2 (+) Positive feed for notification appliances for NAC 2 class A or NAC 2
1 NAC2-2 (-) Return feed for notification appliances for NAC 2
Admissible cable cross-section: 1 x 12…18 AWG or 2 x 16…18 AWG
The jumpers must be set correctly for the class A/B selection.
X5
1
NAC2-2
+
NAC2-2
2
3
4
-
+
-
NAC2-1
NAC2-1
+
+
-
-
Pin assignment for NAC circuit class A
X5
1
NAC2-2
+
NAC2-2
2
3
4
-
+
-
NAC2-1
NAC2-1
+
+
-
-
*
EOL
EOL
Pin assignment for NAC circuit class B
* EOL resistance must be connected during non-use. EOL resistance: 2.4 ,
0.5 W.

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Siemens FC924 Specifications

General IconGeneral
BrandSiemens
ModelFC924
CategoryControl Panel
LanguageEnglish

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