Siemens RDF302/VB User Manual

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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2022-06-17
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

Siemens RDF302/VB Specifications

General

Brand	Siemens
Model	RDF302/VB
Category	Thermostat
Language	English