23
If the liquid level varies considerably for a short time during operation change the attenuation of the level
signal. The default factory setting for the attenuation is 19 seconds.
1. Undo screws
=
and remove housing cover
a
.
2. Write down the node ID and baud rate settings. Unplug the CAN bus connector.
3. Set code switch
c
S 1 to ON and S 2 to S 7 to OFF.
S 1
S 2
S 3
S 4
S 5
S 6
S 7
ON
OFF
OFF
OFF
OFF
OFF
OFF
4. Set the desired attenuation via code switches S8 to S10.
S 8
S 9
S 10
Attenuation [s]
OFF
OFF
OFF
3
ON
OFF
OFF
5
OFF
ON
OFF
7
ON
ON
OFF
9
OFF
OFF
ON
15
ON
OFF
ON
19 *)
OFF
ON
ON
25
ON
ON
ON
29
*) Factory setting
Setting the attenuation of the level signal
5. Plug in the CAN bus connector.
Green LED 1 illuminated: The new attenuation setting has been accepted.
Red LED 2 illuminated: New attenuation setting has not been accepted. Repeat the setting or
replace the electronic circuit board.
6. Unplug the CAN bus connector. Set the original node ID and baud rate.
Plug in the CAN bus connector. The level electrode NRG 26-40 works now with the new attenuation
setting.
7. Put housing cover
a
in place and fix it with screws
=
.
Operation