2
* Viewing setpoint.
By pushing the
SET
key the setpoint appears in the display. The led 'set' starts blinking. A few seconds
after releasing the
SET
key the setpoint disappears and the measured temperature is shown in the
display.
* Changing setpoint.
Push the
SET
key and the setpoint appears in the display. Release the at
SET
key. Now push the
SET
key again and together with the
UP
or
DOWN
keys the set point can be changed. A few seconds after
releasing the keys the measured temperature shows again in the display.
* Setting internal parameters.
Next to the adjustment of the setpoint, some internal settings are possible like differential, sensor-
offset, setpoint range and the function cooling or heating.
By pushing the
DOWN
key more than 10 seconds, you enter the 'internal programming menu'. In the
left display the upper and lower segment are blinking.
Over the
UP
and
DOWN
keys the required parameter can be selected (see table for the parameters).
If the required parameter is selected, the value can be read-out by pushing the
SET
key. Pushing the
UP
or
DOWN
keys together with the
SET
key allows you to change the value of this parameter.
If after 20 seconds no key is pushed, the
ALFA(NET) 1-LS
changes to it's normal operation mode.
* Parameters ALFA(NET) 1-LS.
Para-
meter
Description Parameter
Range
Standaard
value
01
02
03
04
Switching differential
Minimum adjustable set point
Maximum adjustable set point
Offset input signal
1..15 %
0..100 %
0..100 %
-15..+15 %
3
0
100
0
10
Start up delay after powerfailure
0..99 minuten
0
15
16
17
18
19
20
Function relay
0 = input > set point relay on
1 = input < set point relay on
Switch on delay relay
1)
Switch off delay relay
1)
Parameter 16/17 in seconds or minutes
Minimum on-time relay
Minimum off-time relay
0..1
0..99
0..99
0=sec./1=min.
0..99 minuten
0..99 minuten
0
0
0
0
0
0
90
95
96
97
98
99
Network number (only at network)
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
-
-
-
-
-
1) If the delay is active the led ‘on’ will flash.
Summary of Contents for ALFANET 1-LS
Page 4: ...4 Dimensions Connections ...