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Object no. | Object | Address (Decimal) | Register Length | Read Only (RO) or Read/Write (R/W) | Function code (HEX) 0x04---Read Input Registers 0x06---Write Single Register 0x10---Write Multiple Registers | Multi-Bytes Access Group | Special Process | Default | Data Type (Decimal) | |
1 | Software version | 0001 | 1 | RO | 0x04 | - | - | - | - | 102 = U1.0.2 |
2 | Hardware version | 0002 | 1 | RO | 0x04 | - | - | - | - | 102 = U1.0.2 |
3 | Application overview | 0003 | 1 | RO | 0x04 | - | - | - | 1 | 1 = 2-pipe, on/off valve 2 = 4-pipe, on/off valve |
4 | Room operating mode: State | 0004 | 1 | RO | 0x04 | - | - | - | - | 1 = Protection 2 = Comfort 3 = Economy |
5 | Room temperature (via built-in or X1 sensor) | 0005 | 1 | RO | 0x04 | - | - | x50 | - | 0…50 °C -100 = Out of service |
6 | Temperature setpoint | 0006 | 1 | RO | 0x04 | - | - | x50 | - | 5...40 ℃ |
7 | Heating output | 0007 | 1 | RO | 0x04 | - | - | - | - | 0 = OFF; 1 = ON |
8 | Cooling output | 0008 | 1 | RO | 0x04 | - | - | - | - | 0 = OFF; 1 = ON |
9 | Fan operation | 0009 | 1 | RO | 0x04 | - | - | - | 1 | 0 = Manual 1 = Automatic |
10 | Fan output | 0010 | 1 | RO | 0x04 | - | - | - | - | 0 = Fan off 1 = Low fan 2 = Medium fan 3 = High fan |
11 | X1 (AI – NTC 3k/10) | 0011 | 1 | RO | 0x04 | - | - | - | - | 0…50 °C -100 = Out of service |
12 | X1 (DI) | 0012 | 1 | RO | 0x04 | - | - | - | - | 0 = OFF; 1 = ON |
13 | Fault information | 0013 | 1 | RO | 0x04 | - | - | - | - | 0: No alarm Any bit set to 1 stands for an alarm or error defined as follows: Bit0: (BUS) communication error Bit1: (AL1) External fault input 1 Bit2: (Er1) Built-in sensor error Bit3: (Er2) TOUCH IC and EEPROM error Bit4: (Er3) External input X1 error, e.g., sensor or switch is broken or removed |
14 | P01 | 0001 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = 2-pipe 1 = 4-pipe |
15 | P02 | 0002
| 1
| R/W
| 0x03
| 0x06
| -
| -
| 1 | 0 = Heating only 1 = Cooling only 2 = H/C changeover auto 3 = H/C changeover manual |
P02 | 4 | 3 = H/C changeover manual 4 = Heating and cooling | ||||||||
16 | P03 | 0003 | 1 | R/W | 0x03 | 0x06 | - | - | 1 | 0 = 1-speed fan 1 = 3-speed fan |
17 | P04 | 0004 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = On/Off 2-wire valve 1 = On/Off 3-wire valve |
18 | P10 (P02 ≠ 3) | 0005 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Comfort – Protection 1 = Comfort – Economy – Protection |
P10 (P02 = 3) | 0 = Comfort – Protection | |||||||||
19 | P11 | 0006 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Room temperature (via built-in or X1 sensor) 1 = Temperature setpoint 2 = Temperature via bus |
20 | P12 | 0007 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Celsius 1 = Fahrenheit |
21 | P13 | 0008 | 1 | R/W | 0x03 | 0x06 | - | x50 | 0 | -5…5 K |
22 | P14 | 0009 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = OFF 1 = Standard display temperature in different unit (C/F) 2 = Temperature setpoint 3 = Temperature via bus 4 = Time of day (12h) via bus 5 = Time of day (24h) via bus |
23 | P15 | 0010 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Unlock 1 = Lock (all lock) 2 = Setpoint adjustable 3 = Setpoint lock 4 = Fan lock 5 = Operating mode lock |
24 | P20 | 0011 | 1 | R/W | 0x03 | 0x06 | - | x50 | 5 ℃ | 5...(P21-1) °C |
25 | P21 | 0012 | 1 | R/W | 0x03 | 0x06 | - | x50 | 35 ℃ | (P20+1)...40 °C |
26 | P22 | 0013 | 1 | R/W | 0x03 | 0x06 | - | x50 | 15 ℃ | 0 = OFF 5 °C…P23 (WCoolEco) |
27 | P23 | 0014 | 1 | R/W | 0x03 | 0x06 | - | x50 | 30 ℃ | 0 = OFF P22 (WHeatEco)…40 °C |
28 | P24 | 0015 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Disable 1 = Low speed (heating and cooling) 2 = Low speed (cooling only) |
29 | P30 | 0016 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Previous operating mode 1 = Comfort 2 = Protection |
30 | P31 | 0017 | 1 | R/W | 0x03 | 0x06 | - | - | 1 | 0 = Disable 1 = Enable |
31 | P40 | 0018 | 1 | R/W | 0x03 | 0x06 | - | x50 | 2 K | 0.5…6 K |
32 | P41 | 0019 | 1 | R/W | 0x03 | 0x06 | - | x50 | 1 K | 0.5…6 K |
33 | P42 | 0020 | 1 | R/W | 0x03 | 0x06 | - | x50 | 2 K | 0.5…5 K |
34 | P50 | 0021 | 1 | R/W | 0x03 | 0x06 | - | x50 | 8 ℃ | 0 = OFF 5 ℃…P51 (WCoolProt) |
35 | P51 | 0022 | 1 | R/W | 0x03 | 0x06 | - | x50 | 0 | 0 = OFF P50 (WCoolProt)…40 ℃ |
36 | P60 | 0023 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = No function 1 = External room or return air temperature sensor (AI) 2 = H/C changeover sensor (AI) or switch (DI) 3 = Window open detection (DI) 6 = Fault contact (DI) 7 = Monitor the state of an external switch (DI) 8 = Monitor the state of an external sensor (AI) 9 = Presence detection (DI) 10 = Hotel key card (DI) |
37 | P61 | 0024 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Open 1 = Close 2 = NTC 3k 3 = NTC 10k |
38 | P62 | 0025 | 1 | R/W | 0x03 | 0x06 | - | x50 | 16 °C | 10...25 °C |
39 | P63 | 0026 | 1 | R/W | 0x03 | 0x06 | - | x50 | 28 °C | 27...40 °C |
40 | P70 | 0027 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Off 1…359 minutes 360 = Fan continues to run |
41 | P71 | 0028 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Disable 1 = Enable 2 = Reset counter (P71 automatically changes to 1) |
42 | P89 | 0029 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Disabled 1 = Reload start |
43 | P91 | 0030 | 1 | R/W | 0x03 | 0x06 | - | - | 1 | 1…247 |
44 | P92 | 0031 | 1 | R/W | 0x03 | 0x06 | - | - | 2 | 0 = 4800 bps 1 = 9600 bps 2 = 19200 bps 3 = 38400 bps |
45 | P93 | 0032 | 1 | R/W | 0x03 | 0x06 | - | - | 1 | 0 = Odd 1 = Even 2 = No parity |
46 | Room operating mode: Preselection | 0101 | 1 | R/W | 0x03 | 0x06 | - | - | 2 | 1 = Protection 2 = Comfort 3 = Economy |
47 | SYS Protection (Time schedule protection) | 0102 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Inactive 1 = Protection |
48 | Fan command value | 0103 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Auto 1 = Low speed fan 2 = Medium speed fan 3 = High speed fan |
49 | Temperature setpoint: Comfort | 0104 | 1 | R/W | 0x03 | 0x06 | - | x50 | 21 | 5...40 °C |
50 | Temperature via bus | 0105 | 1 | R/W | 0x03 | 0x06 | - | x50 | - | 0...50 °C |
51 | Room operating mode: Window state | 0106 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Close 1 = Open |
52 | Room operating mode: Presence detector | 0107 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Inactive 1 = Active |
53 | Room operating mode: Keycard | 0108 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Inactive 1 = Active |
54 | Heating/cooling changeover | 0109 | 1 | R/W | 0x03 | 0x06 | - | - | 1 | 0 = Heating 1 = Cooling |
55 | Fan operation hour | 0110 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = reset 1…999 (Resolution in 10 hours) |
56 | System time | 0201 0202 | 2 | R/W | 0x03 | 0x10 | - | - | 0000 | hhmm h 0...23 = Hours m 0...59 = Minutes |
57 | Y11/Y12 output command value (test mode) | 0203 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = Auto 1 = Manual open Y11 and Y12 (After 10 mins timeout, back to Auto) 2 = Manual close Y11 and Y12 (After 10 mins timeout, back to Auto) 3 = Manual close Y11 and open Y12 (After 10 mins timeout, back to Auto) 4 = Manual open Y11 and close Y12 (After 10 mins timeout, back to Auto) |
58 | Restart device | 0204 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | 0 = OFF 1 = Restart |
59 | Reserve1 | 0205 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | - |
60 | Reserve2 | 0206 | 1 | R/W | 0x03 | 0x06 | - | - | 0 | - |