Table of Contents
Advertisement
Connection diagrams
Connection of
field devices, room
unit, KNX bus and
power supply
Note
Siemens
Building Technologies
G0
G
G0
G
N1
RXB39.1
B1, B2
LG-Ni 1000 temperature sensor
D1 ... D4
Volt-free contacts (window contact, occupancy sensor, etc.)
Y1
0 ... 10 V valve actuator heating
Y2
0 ... 10 V valve actuator cooling (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 hardware overview, CA2N3804.
RXB39.1 – Room controller
11 / 12
CM2N3875en_04
2013-06-16
Advertisement
Table of Contents
