Pin Assignments; Connector X3 - Siemens FC2025 Manual

FS20 Marine Fire Detection Control Panel

Pin Assignments

15.5

15.5.1 Connector X3

SAFEDLINK module
82
Siemens Industry, Inc.
Building Technologies Division
Pin Designation
4 A1
3 B1
2 A2
1 B2
Admissible cable cross-section: 12...26 AWG
Wiring for class A network
Pair 2
4 3 2 1 4
A1 B1 A2 B2
A1
X3
FN2001
First
View of wiring for class A SAFEDLINK network
Description
Circuit 1 (+)
Circuit 1 (–)
Circuit 2 (+)
Circuit 2 (–)
Class A SAFEDLINK wiring
Pair 1
Pair n
3 2 1 4
B1 A2 B2 A1 B1
X3
FN2001 FN2001
Intermediate
SAFEDLINK modules
Pair n
3 2 1 4 3
A2 B2 A1 B1
X3 X3
FN2001
Last
SAFEDLINK module
A6V10519176_enUS_b
2 1
A2 B2