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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2020-02-21
Read Write
Object No.
Object
Address (Decimal)
Command Length (Bytes)
Read Only (RO) or Read/Write (R/W)
Functioncode(HEX)
0x03
---Readbytes
0x04
---Read READONLY byte
0x06
---WriteByte
0x10
---WriteMultiBytes
MutiBytes
Access Group
Special Process
Default
Data Type
(Decimal)
100 = High Fan
17 Room
Temperature:
Comfort setpoint
40103 1 R/W 0x03 0x06 2 x50
5 ... 40 °C
18 Outside
temperature
40104 1 R/W 0x03 0x06 2 x50
0 ... 49 °C
19 Room operating
mode: Window
state
40105 1 R/W 0x03 0x06 2 - Close
0 = Close (default)
1 = Open
20 Enable electric
heater
40106 1 R/W 0x03 0x06 2 - Enable
0 = Disable
1 = Enable
21 Heating/cooling
changeover
40107 1 R/W 0x03 0x06 2 - heating 0 = cooling,
1 = heating
22 Button lock
command
40108 1 R/W 0x03 0x06 2 - Unlock
4 = Lock all buttons
3 = Lock operating button
only
2 = Lock fan button only
1 = Lock buttons (+ & -)
only.
0 = Unlock
23
Application
Plant type 40109 1 R/W 0x03 0x06 2 - NONE
0=NONE
1=2P
2=2P3P
3=2PEL
4=4P
24
Alarm
descriptions
Fault text 1 40200 10 R/W 0x03 0x10 - Condensation
in room
len <= 20
25 Fault text 2 40300 10 R/W 0x03 0x10 - Fault input 1
len <= 20
26 Fault text 3 40400 10 R/W 0x03 0x10 - Fault input 2
len <= 20
27 Fault text 4 40500 10 R/W 0x03 0x10 - Filter dirty
len <= 20
28
Parameter table
P01 40001 1 R/W 0x03 0x06 - -
When 2-pipe
1:= Cooling
only
When 4-pipe
4:= Automatic
0:= Heating only
1:= Cooling only
2:= H/C changeover manual
3:= H/C changeover auto
4:= Heating and Cooling
29 P02 40002 1 R/W 0x03 0x06 - - 1
Communication unit / time
prog unit:
1:= Comf - Protection
2:= Comf - Eco - Prot
30 P04 40004 1 R/W 0x03 0x06 3 - °C (0)
°C := Degrees Celsius
°F := Degrees Fahrenheit
31 P05 40005 1 R/W 0x03 0x06 3 x50 0 K
– 3 ... 3 K
32 P06 40006 1 R/W 0x03 0x06 3 - 0
0:= Room Temperature
1:= Setpoint
33 P07 40007 1 R/W 0x03 0x06 3 - 0
0:= --- (No display)
1:= °C and °F
2:= Outside temperature [via