User Manual

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Siemens RXL21.1, RXL22.1 Room controllers CM2N3877en_09
Building Technologies 2015-12-23
Connection terminals
CP – CP + CE
–
CE +
3877A08
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
M D1 GND D2 Y1 G Y2 B1
Bus
12 4 3
QAX...
T
M
25 26 27 28
Q13 Q14
AC 24 V
SELV / PELV
Y3 G Y4
M
Q24 Q34
AC 230V 5(4)A
19 19 21
G0 G G0
21
G
CE
–
CE +
N.C.
Measured value input
B1
1
Measured value input for LG-Ni 1000 sensors
M
2
Measured value input ground
Signal inputs
D1
4
Signal input
GND
5
Signal ground
D2
6
Signal input
Triac outputs
Y1
7
AC 24 V, 0.5 A switching output
G
8
AC 24 V actuator supply
Y2
9
AC 24 V, 0.5 A switching output
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
CE+
15
Bus
CE–
16
Bus
Bus (plug-in connection)
CE+
17
Bus
CE–
18
Bus
Power supply
G0
19
Controller ground
G
21
AC 24 V +/- 20 %
Relay outputs
Q13
25
Common feed for Q14, Q24 and Q34
Q14
26
Normally-open contact, max. AC 250 V, 5 (4) A (Stage 1)
Q24
27
Normally-open contact, max. AC 250 V, 5 (4) A (Stage 2)
Q34
28
Normally-open contact, max. AC 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.
P
roprietary RJ45-type tool socket
1
3206Z01
2 3 4 5 6 7 8
1 Bus (CE+)
2 Bus (CE–)
3 Not used
4 Not used
5 +12VDC
6 RxD
7 PPS2 (CP+) / TxD
8 PPS2 (CP–)
RXL21.1
Caution
Tool socket