2005613_a•en•2017-09-01
We reserve the right to carry out improvements
19
Sensor Splitter
Sensor Splitter 1
MASTER
(Encoding swit
ch 1
and 3 ON)
YE
WT
RD BK
JY(St)Y 2x2x0.8 mm
ø
WT
RD BK
0V
B
A
The ends of the bus lines must be
te
rminat
ed with a 120-Ω r
esis
to
r.
Inser
t the
supplied r
esis
to
rs int
o the bus
te
rminals. The Wisotr
onic contr
ol panel and the
weather station multisense alr
eady h
ave
an int
egrat
ed 120-Ω
te
rminating
resis
to
r.
To
tal length of the RS485 bus: maximum 1200 m.
The bus v
oltage must be at least 20 V at each device.
The sensor splitt
er MASTER must be supplied via a separat
e power supply
unit. The maximum line length between the weather station and the
sensor
splitt
er MASTER is 200 m.
NO
TE: The sensor splitt
ers connect
ed
to
the sensor bus only r
eceiv
e weather
data when the weather station and the MASTER ar
e in operation.
DC
24
V
230
V
AC
Supply line
230 V
AC
L
N
NYM-J 3x1.5
Te
rminating r
esist
or 120 Ω
JY(St)Y 2x2x0.8 mm
ø
WT
RD BK
0V
B
A
BK RD
WT
YE
Te
rminating r
esist
or 120Ω
RD BK
YE WT
Wisotronic 1-channel
JY(St)Y 2x2x0,8 mm ø
Sensor bus
CA
UTION
The 24 V output
te
rminals (X10) of
the sensor splitt
ers must not be
connect
ed
to
each other
.
BK RD
WT
YE
Te
rminating r
esist
or 120 Ω
Wisotronic
Pow
er unit
12
34
56
78
9
Wisotronic
Control panel
BK RD
WT
YE
BK RD
WT
BK RD
WT
YE
Te
rminating r
esist
or 120 Ω
Wisotronic
Pow
er unit
12
34
56
78
9
Wisotronic
Control panel
BK RD
WT
YE
BK RD
WT
YE
Junction box
On-site
W
eather station multisense
JY(St)Y 2x2x0.8 mm
ø
24V
0V
B
A
4xAWG 26 C UL blac
k
JY(St)Y 2x2x0.8 mm ø
JY(St)Y 2x2x0.8 mm ø
JY(St)Y 2x2x0.8 mm ø
JY(St)Y 2x2x0.8 mm ø
Te
rminatin
g
resis
to
r
in
te
grated
Te
rminatin
g
resis
to
r
in
te
grated
Terminating r
esistor
inte
grated
Te
rminatin
g
resis
to
r
in
te
grated
D1
X6
S2
X5
1 2 3
4
ON
0V 24V A B
24V 0V B1 A1
X10
X11
D1
X6
X5
0V 24V A B
Sensor Splitter 2
SL
AV
E
(Encoding
swit
ch3 ON)
S2
1 2 3
4
ON
24V 0V B1 A1
X10
X11
D1
X6
X5
0V 24V A B
Sensor Splitter n
SL
AV
E
(Encoding
swit
ch3 ON)
S2
1 2 3
4
ON
24V 0V B1 A1
X10
X11
Fig. 9
Connection example for Wisotronic
