* Parameters ALFA(NET) 51
Para-
meter
Description Parameter
Range
Standard
value
01
02
03
Function Relay 1 1 = Cool
2 = Heat
3 = Alarm
Function Relay 2
(see also P 01)
Function Relay 3
(see also P 01)
1..3
1..3
1..3
1
2
3
05
06
07
Function sensor 2 0 = None
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
(see also P 10)
Switch on delay relay 2
Switch on delay relay 3
Switching differential relay 1
Setpoint offset relay 1
Switching differential relay 2
Setpoint offset relay 2
Switching differential relay 3
Setpoint 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 0 = Seconds
1 = Minutes
Minimum on-time cooling
Minimum off-time cooling
0..99
0..99
0..1
0..99 Minutes
0..99 Minutes
0
0
0
0
0
25
26
27
Minimum setting setpoint
Maximum setting setpoint
Readout above -10°C on whole degrees
-50.0..+150.0°C
-50.0..+150.0°C
0 = No, 1 = Yes
-50
+150
0
30
31
32
33
34
35
36
37
Alarm type
0 = None
1 = Absolute
2 = Relative to setpoint
Minimum alarm setpoint
Maximum alarm setpoint
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..2
-50.0..+150.0 °C
-50.0..+150.0 °C
0..99 Minutes
0..99 Minutes
0= Watch alarm
1= Control alarm
0= No, 1= Yes
0= No, 1= Yes
1
-50
+150
0
0
0
0
0
40
41
Start up delay after power failure
Forced relay function at sensor failure
0= None
1= Cool
2= Heat
0..99 Minutes
0..2
0
0
52
Time correction
(at realtime clock)
-99..99
0
90
95
96
97
98
99
Network number
(only at ALFANET)
Software version
Production year
Production week
Serial number (x1000)
Serial number (units)
1..250
0..255
00..99
1..52
0..255
0..999
1
0
0
1
0
0
3
