Bus Cable For Serial S-Net (S-Bus/Rs-485) - SBC PCD7.LR P5 Series Manual

Saia-Burgess Controls AG
Pull up
330 Ohm
Termination
Pull down
330 Ohm
More details on topics such as cable quality etc. can be found in
"26-740_Manual_RS-485-Components"
(available at www.sbc-support.com)
5.3.2

Bus cable for serial S-Net (S-Bus/RS-485)

A two-wire, twisted and shielded bus cable with cable strands of at least 0.5 mm
must be used.
Further information on S-Bus communication-modus can be found in
"26-739_Manual_SBC-SBus"
(available at www.sbc-support.com).
Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
+3V3
/DA+
DB-
/DA+
20 21 22 26 27 28 29 30 31 32 33
23 24 25
WM1 WM2 24V~
20 21 22 AO0 24V~ GND AO1 AO2 24V~
/DA+ DB- GND
26 27 28 29 30 31
23 24 25
Sylk Bus AO0...
RS485 / Port 1 V 0-10V
GND
First station
Power Supply
TN T~ TO0 TN TO1
--- 24 VAC In
T1 R1 T0 R0
230 V In 24 VAC Out
1 2 3 4 5 6
L N 24V~ 24V0 TN T~ TO0
1 2 3 4 5 6 7
RS-485 interfaces (ports 0 + 1) in general
Segment length max. 1200 m
max. 128 stations
Bus RS 485
DB- /n n
34 35 36 37 38 39 40 41 42
GND AO3 UI0 GND UI1 UI2 GND UI3 /DA+ DB- GND
32 33 34 35 36 37 38 39 40 41 42
UI0... RS485 / Port 0
Dig. NTC V 0-10 V /D A +
D B -
GND
RUN/HALT USB
!
RO3 IN3 RN RN IN0 RO0 IN1 RO1 IN2 RO2
7 8 9 10 11 12 13 14 15 16 17 18 19
TN TO1 RO3 IN3 RN RN IN0 RO0 IN1 RO1 IN2 RO2
8 9 10 11 12 13 14 15 16 17 18 19
Middle stations
Communication
+3V3
/RX - /TX
/DA+
RX - TX
DB- DB-
End station
5
2
5-6