Technical data
Table Of Contents
- 1. About this document
- 2. Summary
- 3. Functions
- 3.1 Temperature control
- 3.2 Operating modes
- 3.3 Room temperature setpoints
- 3.4 Applications overview
- 3.5 Additional functions
- 3.6 Control sequences
- 3.7 Control outputs
- 3.8 Fan control
- 3.9 Multifunctional input, digital input
- 3.10 Handling faults
- 3.11 KNX communications
- 3.11.1 S-mode
- 3.11.2 LTE mode
- 3.11.3 Zone addressing in LTE mode (in conjunction with Synco)
- 3.11.4 Example of heating and cooling demand zone
- 3.11.5 Send heartbeat and receive timeout
- 3.11.6 Startup
- 3.11.7 Heating and cooling demand
- 3.11.8 Fault function on KNX
- 3.11.9 KNX switching groups (RDF301.50, RDF301.50H only)
- 3.12 Communication objects (S-mode)
- 3.13 Communication objects (LTE-mode)
- 3.14 Control parameters
- 4. Handling
- 5. Supported KNX tools
- 6. Connection
- 7. Mechanical design
- 8. Technical data

6.2 Connection diagrams
Application
N1 Room thermostat
RDF301... , RDF600KN
M1 1- or 3-speed fan
Y1 Valve actuator, 2- or 3-position
Y1, Y2 Valve actuator, 2-position
E1 Electric heater
C1, C2 1-stage compressor
F External circuit breaker
S1, S2 Switch (keycard, window contact,
presence detector, etc.)
B1, B2 Temperature sensor (return air
temperature, external room
temperature, changeover sensor,
etc.)
CE+ KNX data +
CE- KNX data –
2-pipe, 2-position
2-pipe, 3-position
– Y11 = Open
– Y21 = Close
2-pipe and electric
heater
4-pipe
– Y1 = Heating
– Y2 = Cooling
1-stage compressor
– C1 = Heating
and / or
– C2 = Cooling)
1-stage compressor
and electric heater
L
N
10 A
L
N
Y11
Y21
AC 230 V
X1 M
X2
N1
M1
Y1
5(2)A
max.
5(2)A
max.
B2
S2
B1
S1
F
3171A12
Q1 Q2 Q3
I II III
CE+ CE-
KNX
Y1
5(2)A
max.
E1
5(2)A
max.
5(2)A
max.
Y1
C1
5(2)A
max.
Y1
5(2)A
max.
Y2
5(2)A
max.
C1
5(2)A
max.
E1
5(2)A
max.
C2
5(2)A
max.
84 / 92
Siemens RDF301, RDF301.50..., RDF600KN Basic documentation CE1P3171en
Building Technologies Connection 2014-05-23










