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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2020-12-01
3.12.2 Description of communication objects
Read Write
Object No.
Object
Address (Decimal)
Register
Length
Read Only (RO) or Read/Write (R/W)
Functioncode(HEX)
0x03
---Read Holding Registers
0x04
---Read Input Registers
0x06
---Write Single Register
0x10
---Write Multiple Registers
MutiBytes Access Group
Special Process
Default
Data Type
(Decimal)
1 System time 0600…
0603
4 R/W 0x03 0x10 -
YYYY 1900...2155 = Year
MM 1...12 = Month
DD 1...31 = Day of Month
d 0, 1…7 =
Any,Mon…Sun
hh 0...23 = Hours
mm 0...59 = Minutes
ss 0...59 = Seconds
- - - Status bits
2 Room operating
mode: State
1001 1 RO 0x04 - 1 - Comfort
1=Comfort,
3=Economy,
4=Protection,
3 Fan output 1002 1 RO 0x04 - 1 - 0
0 = Fan off
33 = Low Fan
66 = Mid Fan
100 = High Fan
4 Room
temperature
1003 1 RO 0x04 - 1 x50
0 ... 49 °C,
0xffff=Out of services
5 Room
temperature:
Current setpoint
1004 1 RO 0x04 - 1 x50
5 ... 40 °C, 4=OFF
6 Heating output 1005 1 RO 0x04 - 1 - 0
[0…100]
7 Cooling output 1006 1 RO 0x04 - 1 - 0
[0…100]
8 Electric heater
output
1007 1 RO 0x04 - 1 - 0
[0…100]
9 Fault information 1100 10 RO 0x04 - - -
len <= 20
10 X1 (temperature)
**
1008 1 RO 0x04 - 1 x50 - 0 ... 49 °C
0xffff = Out of services
11 X2 (temperature)
**
1009 1 RO 0x04 - 1 x50 - 0 ... 49 °C
0xffff = Out of services
12 Fan operation
(0=Auto /
1=Manual)
1010 1 RO 0x04 - 1 - 0
0 = Automatic
1 = Manual
13 X1 (digital) ** 1011 1 RO 0x04 - 1 - OFF
0 = OFF
1 = ON
14 X2 (digital) ** 1012 1 RO 0x04 - 1 - OFF
0 = OFF
1 = ON
15
*
Room operating
mode:
Preselection
0101 1 R/W 0x03 0x06 2 - Comfort
1=Comfort,
3=Economy,
4=Protection,
16 Fan command
value
0102 1 R/W 0x03 0x06 2 - 0
0 = Auto
33 = Low Fan
66 = Mid Fan