Views; Pin Assignments; Plug X2 - Siemens FC2025 Manual

Views

16.3

Pin Assignments

16.4

16.4.1 Plug X2

Pin
4
3
2
1
Siemens Industry, Inc.
Building Technologies Division
PCB view of RS-485 class A module (iso.) FCA2016-U1
X1 Plug-type connection to the operating unit (rear panel)
X2 Screw terminal for RS-485 interface
Designation Description
X2–4 RS-485AF AF Circuit A feed
X2–3 RS-485BF BF Circuit B feed
X2–2 RS-485AR AR Circuit A return
X2–1 RS-485BR BR Circuit B return
Wire size: 12...26 AWG
FS20 Marine Fire Detection Control Panel
89
A6V10519176_enUS_b