VEGA FIBERTRAC 31 Profibus PA - Manual (Page 37)

37
6 Set up with the display and adjustment module
FIBERTRAC 31 • Profibus PA
43833-EN-131119
If you know the level at a certain height, you can enter in this menu
item the determined real level to correct the measured value. The
function shifts the linearization curve to this determined point.
With this procedure the measurement can be adapted exactly to the
conditions in the vessel.
In this menu item you can activate the relay output and determine its
function as well as the switching points.
When the output of the process values is set, you can choose be-
tween overfill and dry run protection.
The relay outputs of the sensor react accordingly.
You can choose "no" reference value. In this case, the relay output
operates as fail safe relay.
•
None - Relay operates as fail safe relay
•
Electronics temperature
•
Process value
"No" reference value means that the relay output operates as fail safe
relay.
Push the [->] button, to reach the relay settings.
Example for the adjustment of the process value
First of all select the requested mode (overfill or dry run protection).
Caution:
Independent of the selected reference value, the relay will deenergize
in case of failure.
Setup - Real value cor-
rection
Setup - Relay