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CM2N3875en_04
2013-06-16
RXB
Room controller
Communicating room controller
for fan-coil applications FC-13
The RXB39.1 room controller is used for temperature control in individual
rooms.
For 2-pipe or 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 operating voltage
Pluggable screw terminals
3
RXB39.1
Building Technologies
875
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Related Manuals for Siemens RXB39.1
Summary of Contents for Siemens RXB39.1
- Page 1 RXB39.1 Room controller Communicating room controller for fan-coil applications FC-13 The RXB39.1 room controller is used for temperature control in individual rooms. For 2-pipe or 4-pipe fan-coil systems, with or without change-over ECM fan support PI control ...
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Page 2: Equipment Combinations
The RXB39.1 room controller is optimized for control of fan-coil systems in individual rooms. The function of each controller is determined by the application software. The controllers are delivered with a fixed set of applications. The relevant application is selected and activated during commissioning using one of the following tools: ... -
Page 3: Technical Design
Technical design The RXB39.1 controller consists of a housing base, a housing cover and the printed circuit board with connection terminals. The room controller also has a tool socket, a service LED and a programming button. 80048 Cable restraints Plug-in connection terminals... -
Page 4: Connection Terminals
The conductors must be secured with cable ties (see diagram). Ensure that the power is off before inserting or Warning! removing plug-in terminals connected to a mains voltage. 4 / 12 Siemens RXB39.1 – Room controller CM2N3875en_04 Building Technologies 2013-06-16... -
Page 5: Connecting The Tool
The RXB39.1 room controller communicates with other devices via the following Communication interfaces: PPS2 interface (proprietary) for the exchange of data with the room units KNX bus (terminals CE+ and CE-) for communication with: PX/KNX interface (to Desigo Insight) ... - Page 6 5WG1 125-1AB12 Bus terminator Not required The RXB39.1 room controller operates with a mains supply voltage of AC 230 V. AC 230 V The sizing and fuse protection of the power supply cables depend on the total supply cables load and on local regulations.
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Page 7: Function Test
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 commissioned with one of the following tools: ETS Professional ... -
Page 8: Technical Data
Baud rate on the KNX bus 9.6 kbit/s KNX bus Interface type Electrically isolated 5 mA Bus current Baud rate bus 9.6 kbit/s Bus topology Refer to Engineering, page 6 8 / 12 Siemens RXB39.1 – Room controller CM2N3875en_04 Building Technologies 2013-06-16... - Page 9 ISO 14001 (Environment) contains data on RoHS compliance, materials ISO 9001 (Quality) composition, packaging, environmental benefit, disposal Dimensions See dimension diagrams Weight excluding packaging 0.560 kg including packaging 0.600 kg 9 / 12 Siemens RXB39.1 – Room controller CM2N3875en_04 Building Technologies 2013-06-16...
- Page 10 Proprietary RJ45-type tool socket KNX bus (CE+) +12VDC 1 2 3 4 5 6 7 8 KNX bus (CE–) Not used PPS2 (CP+) / TxD Not used PPS2 (CP–) 10 / 12 Siemens RXB39.1 – Room controller CM2N3875en_04 Building Technologies 2013-06-16...
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Page 11: Connection Diagrams
For Q2 (1.8 kW max. resistive load), use additional external fuses of max. 10 A to protect the PCB tracks. Note For information on the compatibility of field devices with the RXB39.1 room controller, refer to the RX hardware overview, CA2N3804. 11 / 12 Siemens RXB39.1 –... -
Page 12: Drilling Diagram
Dimensions Dimensions in mm Without terminal covers With terminal covers 80056 Drilling diagram 12 / 12 2012 - 2013 Siemens Switzerland Ltd Subject to change Siemens RXB39.1 – Room controller CM2N3875en_04 Building Technologies 2013-06-16...