3
* Parameters ALFA(NET) 51 RTDN
Para-
Meter
Description Parameter
Range
Standard
value
01
02
03
Function Relay 1 1 = Cool
2 = Heat
3 = Alarm
Function Relay 2 (ditto)
Function Relay 3 (ditto)
1..3
1..3
1..3
1
2
3
05
06
07
Function sensor-2 0 = Not
1 = Control
2 = Alarm
Offset temperature sensor-1
Offset temperature sensor-2
0..2
-15.0..+15.0
C
-15.0..+15.0
C
0
0.0
0.0
10
11
12
13
14
15
16
17
18
19
Switch on relay 2 by 0 = Temperature
1 = Time
Switch on relay 3 by (ditto)
Switch on delay relay 2
Switch on delay relay 3
Switching differential relay 1
Set point offset relay 1
Switching differential relay 2
Set point offset relay 2
Switching differential relay 3
Set point offset relay 3
0..1
0..1
0..99 Minutes
0..99 Minutes
0.1..15.0
C
-15..+15
C
0.1..15.0
C
-15..+15
C
0.1..15.0
C
-15..+15
C
0
0
15
15
0.5
0.0
0.5
0.0
0.5
0.0
20
21
22
23
24
Switch on delay cooling
Switch off delay cooling
Parameter 20/21 in Sec. or Min.
Minimum on-time cooling
Minimum off-time cooling
0..99
0..99
0=Seconds,1=Minutes
0..99 Minutes
0..99 Minutes
0
0
0
0
0
25
26
27
Minimum set point
Maximum set point
Read-out above -10
C per 1
C
-50.0..+50.0
C
-50.0..+50.0
C
0=No, 1=Yes
-50
+50
0
30
31
32
33
34
35
36
37
Alarm type (to set point)
Minimum alarm set point
Maximum alarm set point
Time delay minimum alarm
Time delay maximum alarm
Relay function alarm relay
Reset alarm relay after recovering alarm
Reset alarm relay after manual reset
0 = None
1 = Absolute
2 = Relative
-50.0..+50.0
C
-50.0..+50.0
C
0..99 Minutes
0..99 Minutes
0=fail safe, 1=Control
0=No, 1=Yes
0=No, 1=Yes
1
-50
+50
0
0
0
0
0
40
41
Start up delay after power failure
Forced relay function at sensor failure
0..99 Minutes
0 = None
1 = Cool
2 = Heat
0
0
50
51
52
53
Time hours
Time minutes
Time offset
Day of the week
0..23 hours
0..59 minutes
-99..99 min./year
1..7 (=monday..sunday)
-
-
0
-
60
61
62
63
64
65
66
67
68
69
70
Night offset weekday
Night offset weekend
Night offset abs/rel. 0 = absolute
1 = relative
Start time weekday day position hours
Start time weekday day position min.
Start time weekday night position hours
Start time weekday night position min.
Start time weekend day position hours
Start time weekend day position min.
Start time weekend night position hours
Start time weekend night position min.
-50.0..+50.0
C
-50.0..+50.0
C
0..1
0..23/OFF hours
0..59/OFF min.
0..23/OFF hours
0..59/OFF min.
0..23/OFF hours
0..59/OFF min.
0..23/OFF hours
0..59/OFF min.
0
0
0
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
90
95
96
97
98
99
Network number
Software version
Production year
Production week
Serial number (x1000)
Serial number (units)
1..255
0..255
00..99
1..52
0..255
0..999
1
0
0
1
0
0
