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Siemens
RXB39.1 – Room controller
CM2N3875en_04
Building Technologies
2013-06-16
Connection terminals
CP
–
CP
+
CE
–
CE
+
38
75
A
0
8
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
17 18
M
D1
GND
D2
B1
KNX
1
2
4
3
QAX...
T
23 24 25 26
Q1
3
Q1
4
AC 230 V
Q3
3
5(4) A
19 19 21
N
L
N
21
L
CE
–
CE
+
B2
Ni1000
29 30 31 32
D3
GND
D4
N.
C.
YC
1
G0
G
YC
2
G0
YC
3
0 ... 1
0
V
AC 2
4
V
0 ... 1
0
V
0 ... 1
0
V
27
Q3
4
N.
C.
24 ... 230 V
10 A
Measured value input
B1
1
Measured value input for LG-Ni 1000 sensors
M
2
Measured value input ground
B2
3
Measured value input for LG-Ni 1000 sensors
Signal inputs
D1 4 Signal
input
GND 5
Signal
ground
D2 6 Signal
input
D3 7 Signal
input
GND 8
Signal
ground
D4 9 Signal
input
N.C. 10
Do not use this terminal as an auxiliary terminal!
0 … 10 V outputs
YC1 11
0 … 10 V Heating control signal
G0 12 Signal
ground
G
13
AC 24 V max. 6 VA
YC2 14
0 … 10 V Cooling control signal (heating / cooling in case of changeover)
G0 15 Signal
ground
YC3 16
0 … 10 V Fan control signal
KNX bus
CE+ 17 KNX bus
CE– 18 KNX
bus
Power supply
N
19
Neutral conductor
L
21
Phase conductor AC 230 V +/- 10 %
Relay outputs
Q13 23
Feed for Q14
Q14 24
Normally-open contact, max. AC 250 V, 1.8 kW, max. 10 A (Electric heating)
Q33 26
Feed for Q34
Q34 27
Normally-open contact, max. AC 250 V, 5(4) A (controlled fan)
Room unit
CP– 29 PPS2
ground
CP+ 30 PPS2
data
CE+ 31 KNX bus
CE– 32 KNX
bus
Observe the technical data for the relay outputs: max. AC 250 V, 5 (4) A
External fuse (essential!): max. 10 A
Local installation regulations must be observed.
Proprietary RJ45-type tool socket
1
32
06
Z
01
2 3 4 5 6 7 8
1
KNX bus (CE+)
2
KNX bus (CE–)
3 Not
used
4 Not
used
5 +12VDC
6 RxD
7
PPS2 (CP+) / TxD
8 PPS2
(CP–)
Caution
Tool socket