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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

V

AC 2

V

0 ... 1

V

0 ... 1

V

27

Q3

4

N.

C.

24 ... 230 V

10 A

 

 

Measured value input 

B1 

Measured value input for LG-Ni 1000 sensors 

Measured value input ground 

B2 

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 

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 

19 

Neutral conductor  

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

 

KNX bus (CE+) 

KNX bus (CE–) 

3 Not 

used 

4 Not 

used 

5 +12VDC 
6 RxD 

PPS2 (CP+) / TxD 

8 PPS2 

(CP–) 

   Caution 

Tool socket 

Содержание RXB39.1

Страница 1: ...r 4 pipe fan coil systems with or without change over ECM fan support PI control KNX bus communication Integration into the Desigo building automation and control system via PX KNX DC 0 10 V control of valve actuators fan and electric heating coil Volt free relay contacts for release of the fan and the electric heating coil Commissioning with ETS Professional HandyTool or Synco ACS AC 230 V operat...

Страница 2: ... its parameters and by the input output configuration For details refer to the FNC description of functions document CM110788 When RXB controllers are integrated into a building automation and control system or into a Synco system additional functions become available such as time scheduling central control of setpoints etc Applications The following applications are available for the RXB39 1 room...

Страница 3: ...en flashing Startup phase No application selected Loading Download from ACS Room unit QAX34 3 in HandyTool mode OFF No supply voltage Fault Other patterns After switching on the operating voltage the service LED flashes in different patterns for 3 to 5 seconds If other patterns appear during normal operation this indicates an error The programming button is used to identify the room controller in ...

Страница 4: ...erve the warning notes in this data sheet Identification number unique serial number 3 Definitively loaded application Location Options for use of the labeling fields Appl and Loc Handwritten identification of the location and the activated application group All connection terminals are detachable plug in screw terminals To avoid incorrect wiring terminals which can be connected to AC 230 V relay ...

Страница 5: ...it RJ45 tool socket A A A A B B A B The tool socket is a proprietary socket A Siemens connecting cable must be used e g PXA C1 When connected to Ethernet the device on the other end may be damaged The tools ETS and ACS even if connected to a tool socket require an interface RS232 KNX interface ETS USB KNX EIB interface OCI700 ETS ACS The HandyTool is connected to the tool socket of the room contro...

Страница 6: ...on will be inter rupted if the block is removed from the controller the jumpers 19 19 and 21 21 are on the PCB not in the block see terminal diagrams on page 10 Different phases may be connected to the terminals 21 L 23 Q13 and 26 Q33 All AC 230 V conductors must be secured with cable ties The volt free releasing relay output for the fan allows the switching of a load up to AC 250 V 5 4 A The volt...

Страница 7: ...st be mounted in a cabinet or behind a cover that can only be opened removed with a key or a tool Ensure adequate air circulation to dissipate heat generated during operation Easy access is required for service personnel Local installation regulations must be observed Mounting instructions and a drilling template are printed on the controller packaging Commissioning The RXB39 1 room controller is ...

Страница 8: ...A Supply output G SELV Voltage Max load AC 24 V Max 6 VA Relay outputs Q34 fan release Quantity 1 N O contact Relay type Monostable Contact rating with AC voltage Switching voltage Max AC 250 V min AC 19 V Nominal current resistive inductive Max AC 5 4 A cos 0 6 Making current 200 ms half time Max 20 A Switching current at AC 19 V Min AC 10 mA Contact rating with DC voltage Switching voltage Max D...

Страница 9: ... m Housing protection standard Protection standard to EN 60529 IP30 with terminal cover fitted and wall mounted without DIN rail IP20 for all other mounting arrangements Protection class Suitable for use in systems with protection class I or II Ambient conditions Normal operation Class 3K5 to IEC 60721 3 3 Temperature 0 50 C Humidity 85 r h Transport Class 2K3 to IEC 60721 3 2 Temperature 25 65 C ...

Страница 10: ...rminal 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...

Страница 11: ...g heating cooling in case of changeover Q1 Controlled fan Q2 Power controller PWM or modulating e g SEM61 4 SEA45 1 data sheets N5102 N4937 Q3 Electric heating B3 QAX room unit Twisted pair For Q2 1 8 kW max resistive load use additional external fuses of max 10 A to protect the PCB tracks For information on the compatibility of field devices with the RXB39 1 room controller refer to the RX hardwa...

Страница 12: ...uilding Technologies 2013 06 16 Dimensions Dimensions in mm 62 35 3 90 3876M01 1 3 9 110 62 1 3 9 35 3 3876M02 120 152 50 6 161 100 135 80056 Without terminal covers With terminal covers Drilling diagram 2012 2013 Siemens Switzerland Ltd Subject to change ...

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