Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
Saia-Burgess Controls AG Communication
5
5-6
RS-485 interfaces (ports 0 + 1) in general
/n
n
AO0…
GND
0-10V
V
UI0…
0-10V
GND
Dig. NTC
V
RS485 / Port 0
/DA +
DB -
RO3 IN3 RN RN IN0 RO0 IN1 RO1 IN2 RO2
TN T~ TO0 TNTO1
RUN/HALT
Power Supply
---
230 V In
24 VAC In
24 VAC Out
Sylk Bus
RS485 / Port 1
USB
T1 R1 T0 R0
!
1
L
2
N
3
24V~
4
24V0
5
TN
6
T~
7
TO0
8
TN
9
TO1
10
RO3
11
IN3
12
RN
13
RN
14
IN0
15
RO0
16
IN1
17
RO1
18
IN2
19
RO2
AO0
26
24V~
27
GND
28
AO1
29
AO2
30
24V~
31
UI0
34
GND
35
UI1
36
/DA+
40
DB-
41
GND
42
UI2
37
GND
38
UI3
39
GND
32
AO3
33
WM1
20
WM2
21
24V~
22
/DA+
23
DB-
24
GND
25
1 2
3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19
40 41 4226 27 28 29 30 31 32 33 34 3536 37 38 39
20 21 22
23 24 25
+3V3
/RX - /TX
/DA+
DB-
/DA+
DB-
RX - TX
+3V3
150E
1800E
1n
DB-
/DA+
DB-
Pull up
330 Ohm
Termination
Segment length max. 1200 m
max. 128 stations
Bus RS 485
First station
Middle stations
End station
Pull down
330 Ohm
More details on topics such as cable quality etc. can be found in
(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
2
must be used.
Further information on S-Bus communication-modus can be found in
(available at www.sbc-support.com).
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