Basic Documentation
Table Of Contents
- 1 About this document
- 2 Overview
- 3 Notes
- 4 Functions
- 4.1 Temperature control
- 4.2 Operating modes
- 4.3 Room temperature setpoint
- 4.4 Application overview
- 4.5 Additional functions
- 4.6 Control sequences
- 4.7 Control outputs
- 4.8 Fan control
- 4.9 Multifunctional input, digital input
- 4.10 Handling system faults
- 4.11 Modbus RTU mode
- 4.12 Communication objects
- 4.13 Control parameters
- 5 Connection
- 6 Technical data
- 7 Dimensions
- Index
Functions
Communication objects
4
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A6V12114068_en--_c
Read
Write
Object no.
Object
Related parameter
Address (Decimal)
Register length (bytes)
Read only (RO) or Read/Write
(R/W)
Function code (HEX)
0x03--Read holding registers
0x04--Read input registers
0x06--Write single register
0x10--Write multiple registers
Special process
Default value
Data value range
(Decimal)
41
Integral action time Tn
P35
0024
1
R/W
0x03
0x06
-
45 min
0...120 min
42
H/C changeover switching
point cooling
P36
0025
1
R/W
0x03
0x06
x50
16 ℃
10…25 °C
43
H/C changeover switching
point heating
P37
0026
1
R/W
0x03
0x06
x50
28 ℃
27…40 °C
44
Input X1
(RDF660MB only)
P38
0027
1
R/W
0x03
0x06
-
3
0 = --- (no function)
1 = Room temp ext. sensor/ return
air temp (AI)
2 = H/C changeover (AI)
3 = Window contact (DI)
4 = Dew point sensor (DI)
5 = Enable electric heater (DI)
6 = Fault input (DI)
7 = Monitor input (DI)
8 = Monitor input (AI)
9 = H/C changeover (DI)
10 = Presence detector (DI)
11 = Hotel keycard (DI)
Input B1
(RDF660MB/MM only)
9
0 = --- (no function)
1 = Room temp ext. sensor/ return
air temp (AI)
2 = H/C changeover (AI)
9 = H/C changeover (DI)
45
Normal position input X1/B1
P39
0028
1
R/W
0x03
0x06
-
0
0 = Normally open/open
1 = Normally closed/close
46
Input X2
(RDF660MB only)
P40
0029
1
R/W
0x03
0x06
-
1
0 = --- (no function)
1 = Room temp ext. sensor/ return
air temp (AI)
2 = H/C changeover (AI)
3 = Window contact (DI)
4 = Dew point sensor (DI)
5 = Enable electric heater (DI)
6 = Fault input (DI)
7 = Monitor input (DI)
8 = Monitor input (AI)
9 = H/C changeover (DI)
10 = Presence detector (DI)
11 = Hotel keycard (DI)
Input S1
(RDF660MB/MM only)
3
0 = --- (no function)
3 = Window contact (DI)
10 = Presence detector (DI)
11 = Hotel keycard (DI)
47
Normal position input X2/S1
P41
0030
1
R/W
0x03
0x06
-
0
0 = Normally open/open
1 = Normally closed/close
48
Actuator running time Y1/Y2
P44
0031
1
R/W
0x03
0x06
-
150 s
20…300 s
49
Power of electric heater on
Y2 (for adaptive temperature
compensation)
(RDF660MB only)
P45
0032
1
R/W
0x03
0x06
x50
0
0.0...1.2 kW
resolution 0.1 Kw
50
2-pos output min. ON time
P48
0033
1
R/W
0x03
0x06
-
1 min
1...20 min
51
2-pos output min. OFF time
P49
0034
1
R/W
0x03
0x06
-
1 min
1...20 min
52
Purge time
P50
0035
1
R/W
0x03
0x06
-
0
0 = Inactive or 1…5 minutes
53
Floor heating temperature
limitation
(RDF660MB only)
P51
0036
1
R/W
0x03
0x06
x50
0
0 = Off or 10...50 °C