Siemens Desigo RXC20.1 - RXC21 Connection Terminals

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Siemens RXC20, RXC21, RXC22 – Room controllers CA2N3834en_09
Building Technologies 2013-06-16
Connection terminals
12345678910111213141516 1718
M D1 GND D2 Y1 G Y2 G CP– CP+ CLA CLB B1
CLA CLB
1234
QAX...
T
M
25 26 27 28
Q13 Q14
AC 230 V
Y3 G Y4
M
Q24 Q34
5(4) A
19 19 21
N L N
21
L
3804A03
LonWorks®
Bus
Measured value input
B1 1 Measured value input with LG-Ni 1000 sensor
M 2 Measured value input ground
Signal inputs
D1 3 Signal input
GND 4 Signal ground
D2 5 Signal input
Triac outputs
Y1 6 AC 24 V, 0.5 A switching output
G 7 AC 24 V actuator supply
Y2 8 AC 24 V, 0.5 A switching output
G 9 AC 24 V actuator supply
Y3 10 AC 24 V, 0.5 A switching output
G 11 AC 24 V actuator supply
Y4 12 AC 24 V, 0.5 A switching output
Room unit
CP– 13 PPS2 ground
CP+ 14 PPS2 data
CLA 15 Data A
CLB 16 Data B
L
ONWORKS® bus (plug-in)
CLA 17 Data A
CLB 18 Data B
Power supply
N 19 Neutral conductor
L 21 Phase line AC 230 V +/- 10 %
Relay outputs
Q13 25 Feed for Q14, Q24 and Q34
Q14 26 N/O contact AC max. 250 V, 5 (4) A (stage 1)
Q24 27 N/O contact AC max. 250 V, 5 (4) A (stage 2)
Q34 28 N/O contact AC max. 250 V, 5 (4) A (stage 3)
 Observe the technical data for the relay outputs: Max. AC 250 V, 5 (4) A
 Local installation regulations must be observed.
Standard RJ45 tool socket for L
ONWORKS® devices.
1
3206Z01
2345678
1 LONWORKS®, Data A (CLA)
2 L
ONWORKS®, Data B (CLB)
3 Unoccupied
4 Unoccupied
5 Unoccupied
6 unoccupied
7 PPS2 (CP+)
8 PPS2 (CP–)
RXC21
STOP
Note!
Tool socket