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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)
56 P51 40051 1 R/W 0x03 0x06 6 x50 OFF
9=OFF, 10..50 °C
57 P52 40052 1 R/W 0x03 0x06 6 - 1
0:= Disabled
1:= Enabled
2:= Heating only
3:= Cooling only
58 P53 40053 1 R/W 0x03 0x06 6 - 3-speed
1:= 1-speed
2:= 3-speed
59 P54 40054 1 R/W 0x03 0x06 6 - 60 sec
0 ... 360 sec
60 P55 40055 1 R/W 0x03 0x06 6 - 100%
80..100%
61 P56 40056 1 R/W 0x03 0x06 6 - 65%
30..75%
62
Parameter table
P57 40057 1 R/W 0x03 0x06 6 - 10%
1..15%
63 P58 40058 1 R/W 0x03 0x06 6 - ON
1 = ON: enabled
0 = OFF: disabled
64 P59 40059 1 R/W 0x03 0x06 6 - 2 min
1 ... 6 min
65 P60 40060 1 R/W 0x03 0x06 6 - 0
0…89min, OFF(90)
66 P61 40061 1 R/W 0x03 0x06 6 - OFF
0…359min, OFF(360)
67 P62 40062 1 R/W 0x03 0x06 6 - Off (0)
0 = Off, 100 … 9900 hours
68 P65 40065 1 R/W 0x03 0x06 - x50 8 °C
OFF(=4.5), 5 ~WcoolEco;
WcoolEco=40 °C max
69 P66 40066 1 R/W 0x03 0x06 - x50 OFF
WHeatEco ... 40
°C,OFF(=40.5);
WHeatEco=5C min
70 P68 40068 1 R/W 0x03 0x06 8 - 2 = 19200bps
0 = 4800bps,
1 = 9600bps,
2 = 19200bps,
3 = 38400bps
71 P69 40069 1 R/W 0x03 0x06 8 - OFF
0 = OFF := Disabled
1 = ON := Enable
72 P70 40070 1 R/W 0x03 0x06 8 - Even
0 = Odd
1 = Even
2 = No parity
73 P71 40071 1 R/W 0x03 0x06 8 - OFF
0 = OFF := Disable
1 = ON := Reload start
74 P81 40081 1 R/W 0x03 0x06 - 1
1…247
* If a bus command is received via MODBUS for either COMFORT or ECONOMY operating mode, the symbol
of the selected operating mode will be displayed.
i.e. either COMFORT or ECONOMY symbol only
If a bus command is received for PROTECTION mode, the AUTO TIMER symbol ( ) will be displayed and
all key buttons will be de-activated.
i.e. both PROTECTION and AUTO TIMER symbols
** RDF302.B does not have inputs X1 and X2. Parameters related x1 and X2 input functions are not applicable
to RDF302.B.