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Siemens RDF302 Basic documentation CE1P3079en
Smart Infrastructure 2022-06-17
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
0:= Room Temperature
1:= Setpoint
2 = BUS temperature
0:= --- (No display)
1:= °C and °F
2:= Outside temperature [via
bus]
3:= Time of day (12h) [via
bus]
4:= Time of day (24h) [via
bus]
OFF(=4.5), 5 ~WcoolEco;
WcoolEco=40 °C max
WHeatEco ... 40
°C,OFF(=40.5);
WHeatEco=5C min
1=ON: Enabled
0=OFF: Disabled
0= Unlocked
1= Auto locked
2= Manual locked
X1(1byte HIGH), X2(1byte
LOW)
0:= --- (no function)
1:= Room temp ext / Return
temp (AI)
2:= H/C changeover (AI/DI)
3:= Operating mode contact
[DI)
4:= Dew point sen. (DI)
5:= Enable electro heater
(DI)
6:= Fault input (DI)
7:= Monitor input [Digital]
8:= Monitor input [Temp]
0:= Normally open / Open
1:= Normally closed / Close
0:= Normally open / Open
1:= Normally closed / Close