Wiring - Siemens FC2025 Manual

FS20 Marine Fire Detection Control Panel
Element
Connections
Switch
Indicators

Wiring

19.4
The circuit must not be terminated on the side of the RS-485 class 'A' module,
because the RS-485 class 'A' module has integrated terminating resistors.
When wiring as a class 'B' circuit, the circuit on the last device must be terminated
with a 120 Ω resistor.
Wiring from the Remote Terminal to the RS-485 Circuit as A Class 'B'
Circuit
FT2015 class B, style 4 wiring
106
Siemens Industry, Inc.
Building Technologies Division
Des. Function
X3 Connection for ribbon cable to display
X4 Connection for ribbon cable to display
X5 Connection plug for supply and 'NET_OUT' circuit output
X6 Connection plug for input supply and 'NET_IN' line input
X11 Connection for key switch
S1 DIP switch, 8-pole, for address setting and other functions
S2 Reset key
H1...H29 LED indicators, front
A6V10519176_enUS_b