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Siemens
RXC39.5 – Room controller
CM2N3856en_06
Building Technologies
2013-12-14
Connection terminals
3
8
5
6
A
0
2
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
G
0
G
G
C
L
A
C
LB
L
ON
W
ORKS
®
Technology
1
2
3
4
QAX...
26 27 28
G
Y
2
Y
1
29
35
34
33
32
31
30
G
16 17 18 19
20 21
AQ
T
AC 24 V
G
0
T
G
X
1
M
B
2
M
D
1
G
N
D
D
2
D
3
G
N
D
D
4
C
P
–
C
P
+
C
L
A
C
L
B
Bus
22 23 24 25
Q
1
1
Q
1
2
Q
2
1
Q
2
2
37
36
Y
C
1
G
0
G
Y
C
2
Y
C
3
G
0
G
Y
C
4
0...10 V OUT
0...10 V OUT
0...10 V OUT
0...10 V OUT
AC 24 V supply
G0 1,2 Controller
ground
G
3,4 AC 24 V supply
Measured value input
G
5
AC 24 V supply for sensors, actuators
X1
6
Universal input (LG-Ni 1000, or DC 0…10 V for air quality sensor)
M
7
Measured value input ground
B2
8
Measured value input for LG-Ni 1000 sensors
M
9
Measured value input ground
Signal inputs
for volt-free contacts
D1 10 Signal
input
GND 11 Signal
ground
D2 12 Signal
input
D3 13 Signal
input
GND 14 Signal
ground
D4 15 Signal
input
Room unit
CP– 16 PPS2
ground
CP+ 17 PPS2
data
CLA 18
L
ON
W
ORKS
Data A
CLB 19
L
ON
W
ORKS
Data B
L
ON
W
ORKS
Bus
CLA 20
L
ON
W
ORKS
Data A
CLB 21
L
ON
W
ORKS
Data B
Relay outputs
Q11 22 Feed for
Q12
Q12 23 Normally-open contact, max. AC 250 V,
1.8 KW
Q21 24 Feed for
Q22
Q22 25 Normally-open contact, max. AC 250 V,
1.8 KW
Triac outputs
Y1
26 AC 24 V, 0.5 A switching output
G
27 AC 24 V actuator supply
Y2
28 AC 24 V, 0.5 A switching output
G
29 AC 24 V actuator supply
0 … 10 V outputs
YC1 30 DC 0 … 10 V control output for actuator
G0 31 Controller
ground
YC2 32 DC 0 … 10 V control output for actuator
G
33 AC 24 V supply for sensors, actuators
YC3 34 DC 0 … 10 V control output for actuator
G0 35 Controller
ground
YC4 36 DC 0 … 10 V control output for actuator
G
37 AC 24 V supply for sensors, actuators