Siemens FC922 User Manual

FS20 Marine Fire Detection Control Panel
107
Siemens Industry, Inc. A6V10519176_enUS_b
Building Technologies Division
Wiring from the Remote Terminal to the RS-485 Circuit as a Class A Circuit
FT2015 class A, style 6 wiring
19.4.1 X5/X6, RS-485 Circuit Connection Terminals
Plug X6, NET_IN
Pin
Designation
Description
1 + External supply input 24VDC
2 - External supply input 0VDC
3 A A port of RS-485 circuit input
4 B B port of RS-485 circuit input
Plug X5, NET_OUT
Pin
Designation
Description
1 + External supply output 24VDC (to cascade)
2 - External supply output 0VDC (to cascade)
3 A A port of RS-485 circuit output (to cascade)
4 B B port of RS-485 circuit output (to cascade)

Siemens FC922 Specifications

General

Brand	Siemens
Model	FC922
Category	Control Panel
Language	English