Page 33 - Priesgaisrine signalizacija FX 3NET_Schneider Electric_Projktavimo instrukcija_ENG

Planning Instruction 66571758GB0 Fire Detection 33

8.4 Grounding of communication cables

FX x serial adapter FX y serial adapter
1a 1a TR+
TR+
SYSTEM 1 TR- GND 1b 2b, Spare wire, 2b, Spare wire, 1b TR- SYSTEM 1
2a
2a
not in use
not in use
1a
1a
GND
SYSTEM 2 TR+ TR- 1b 2b, Spare wire, FX x FX y 2b, Spare 1b TR+ SYSTEM 2
2a
2a
not in use
TR-
GND
All serial chassis chassis wire, not in use GND
communication
cable shields are All serial
communication cable
connected to the
grounding filter. shields are connected
Max length 10mm to the grounding filter.
Max length 10mm
Cable shield is
2b, Spare wire, connected ONLY 2b, Spare wire, FMPX
not in use in FXNET panel not in use
2a
GND 2a GND
RS485 TR- 1b 1b TR- RS485
1a
TR+ 1a

TR+

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Document Number 66571758GB0 49 2011