CM2N3205E / 05.2001
Siemens Building Technologies
14/18
Landis & Staefa Division
Data point values and measured values can be called up as data under certain data
point numbers. The factory setting of all values is such that the controller will meet the
requirements of most plants. If necessary, they can be readjusted on an individual
basis.
Nr.
Description
Range
Factory setting
1
B9 Frost temperature
–50.0...+150.0 °C
-----
2
Z3 Compensating variable
–50.0...+150.0 °C
-----
3
F91 Common fault relay A
OFF / On
-----
4
F92 Common fault relay b
OFF / On
-----
5
E6 Time channel
1)
OFF / On
-----
6
Min. limitation Y30
0...100 %
0 %
7
Frost alarm value
2...15 °C
5 °C
8
Set value "standby controller"
2...50 °C
25 °C
9
P-band "frost prot. controller"
1...30 K
5 K
10
P-band "Standby controller"
1...200 K
10 K
11
Integral action time "standby controller"
0.00...10.00 min
3.00 min
12
KE room (cascade effect)
0.1...20
2.0
13
Integral action time "room"
0.00...40.00 min
8.00 min
14
P-band "heating"
1...200 K
20 K
15
Integral act.time "heating"
2)
0.00...10.00 min
2.30 min
16
P-band "HR"
1...200 K
15 K
17
Integral action time "HR"
2)
0.00...10.00 min
2.00 min
18
P-band "cooling"
1...200 K
15 K
19
Integral act.time "cooling"
2)
0.00...10.00 min
2.00 min
20
Switching interval SA
1...100 %
20 %
21
Switching differential
1...100 %
10 %
22
Starting point
20...40 °C
25 °C
23
End point
20...40 °C
30 °C
24
Delta
0...10 K
2 K
25
Starting point
–30...+20 °C
5 °C
26
End point
–30...+20 °C
–20 °C
27
Delta
0...10 K
2 K
28
E1 Fire / smoke
A / b
A
29
E2 Fan, filter monitor
A / b
A
30
E3 Overload "pump/electric"
A / b
A
31
E4 Overload "chiller"
A / b
A
32
E5 Overcurrent "fan"
A / b
A
33
Frost alarm
A / b
A
34
E7 AUX 1
A / b
A
35
E8 AUX 2
A / b
A
36
Room sensor, min.
–50.0...+150.0 °C
0 °C
37
Room sensor, max.
–50.0...+150.0 °C
50 °C
38
Supply air sensor, min.
–50.0...+150.0 °C
0 °C
39
Supply air sensor, max.
–50.0...+150.0 °C
50 °C
40
Outside sensor, min.
–50.0...+150.0 °C
–35 °C
41
Outside sensor, max.
–50.0...+150.0 °C
35 °C
42
Frost sensor, min.
–50.0...+150.0 °C
0 °C
15)
43
Frost sensor, max.
–50.0...+150.0 °C
15 °C
15)
44
Compensation, min.
–50.0...+150.0 °C
–5 °C
45
Compensation, max.
–50.0...+150.0 °C
5 °C
46
B1 Room temperature
–5.00...+5.0 K
0.0 K
47
B2 Supply air temperature
–5.00...+5.0 K
0.0 K
48
B4 Outside temperature
–5.00...+5.0 K
0.0 K
49
B9 Frost temperature
–5.00...+5.0 K
0.0 K
50
Z3 Compensation
–5.00...+5.0 K
0.0 K
51
Integral action time "fan"
3)
00.00...30.00 min
5.00 min
52
Min. HC pump running time
00.00...30.00 min
5.00 min
53
HC pump kick interval
00.00...24.00 h
24.00 h
54
Alarm delay "filter"
00.00...05.00 min
0.20 min
55
Alarm delay "AUX"
00.00...05.00 min
0.00 min
56
Time channel switch on time
4)
00.00...12.00 h
00.00 h
57
Startup logic (air damper)
5)
00.00...60.00 min
00.00 min
58
Power up start delay
00.00...30.00 min
00.00 min
59
E1 Fire/smoke
CLSd / OPEn
OPEn
60
E2 Fan, filter monitor
CLSd / OPEn
OPEn
61
E3 Overload "pump"
CLSd / OPEn
OPEn
62
E4 Overload "chiller"
CLSd / OPEn
OPEn
63
E5 Overcurrent "fan"
CLSd / OPEn
OPEn
64
E6 Time channel
CLSd / OPEn
OPEn
65
E7 AUX1
CLSd / OPEn
OPEn
66
E8 AUX2
CLSd / OPEn
OPEn
67
B1 Room temperature
Auto / Pass / Act
Auto
68
B2 Supply air temperature
Auto / Pass / Act
Auto
69
B4 Outside temperature
Auto / Pass / Act
Auto
70
B9 Frost temperature
Auto / Pass / Act
Auto
71
Z3 Compensation
Auto / Pass / Act
Auto
List of data points
Current measured values
Limitation of manipulated
variables
Set values of frost
protection/standby controller
Parameters of frost
protection / standby
controller
Control parameters of room
temperature controller
Control parameters of supply
air temperature controller
Switching points of
compressor
Summer compensation
Winter compensation
Alarm priorities
Measuring ranges of active
sensors
Measured value correction,
sensor inputs
Time elements
Active level I/Os
Preselection sensor
identification