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Siemens Building Technologies
RXZ90.1 – Receiver with PPS2 interface
CA2N1644en
Building Automation
07.2001
Technical data
Power supply
Operating voltage
DC 12 ... 15 V
The device receives its power from the
connected room controller via PPS2
(SELV in accordance with HD384)
Power consumption S1 (from room
controller)
Max. 0.12 VA
Interfaces
Receiver – Room controller
PPS2 (point-to-point interface)
Baud rate
4.8 kbit/s
Wireless room unit – Receiver
Uni-directional
Frequency band 868 MHz
Operating frequency 868.95 MHz
Baud rate
19.2kbit/s
Modulation
BFSK
Channel coding
NRZ / BCH
Transmitter power (ERP)
1 mW (0 dBm)
Range inside building
Approx. 30 m
(depending on building permeability)
Establishing a connection
(configuration)
Pushbutton method
Connection test (registration on LON)
Service pin (brief pressure of button
on QAX9x.1)
Cable connections
Connection terminals (screw terminals)
Stranded or solid conductors,
0.8 x 2.5 mm
2
Single cable lengths
Receiver – Room controller
See controller installation principles
(for DESIGO RXC see CA2Z3802)
Cable type
4-core, twisted pair, unscreened
Tool connecting cable
Made up in-house, max. 3 m
Housing protection standard
Protection standard to EN 60529
IP 30
Protection class
Insulation protection class
III
Ambient conditions
Ambient conditions to IEC721
Operation:
Transport:
Environmental conditions
Class 3K5
Class 2K3
Temperature
0 ... 50 °C
– 25 ... 70 °C
Humidity
< 85 rh
< 95 rh
Mechanical conditions
Class 3M2
Class 2M2
Industry standards
Electromagnetic compatibility(EMC)
89/336/EEC
Low Voltage Directive (LVD)
73/23/EEC
Directive on Radio Equipment and Tele-
communication Terminal Equipment
and the Mutual Recognition of their
Conformity (R&TTE)
99/5/EC
ERM (Short range devices)
EN 300 220-1 V1.3 : 09.00
Radio Equipment and Systems (RES
Electromagnetic Compatibility
standard for Short Range Devices
(SRD))
ETS 300 683 : 06.97
Safety of Information Technology
Equipment
EN 60950 1992
Dimensions
See “Dimensions”
Colour
Front plate
NCS S 0502-G
≈
RAL 9003 signal white
Housing base and mounting plate
RAL 7035 light grey
Weight
Excluding packaging
0.13 kg