Vega MINITRAC 31 Operating Instructions Manual page 44

6 Set up with the display and adjustment module
Lock/Unlock adjustment
44
Push the [->] button, to reach the relay settings.
Example for the setting 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.
This does not apply if " X-ray alarm" is selected as reference value. In
this case the fault message is not active.
In the menu item " Lock/unlock adjustment", you can protect the sen-
sor parameters against unauthorized or inadvertent modification. The
sensor is locked/unlocked permanently.
With locked instrument, only the following adjustment functions are
possible without entering a PIN:
•
Select menu items and show data
•
Read data from the sensor into the display and adjustment module
Before you lock the sensor in unlocked condition, you can modify the
four-digit PIN number.
Keep the entered PIN number in mind. Operation of the sensor is only
possible with this PIN number.
Caution:
When the PIN is active, adjustment via PACTware/DTM as well as
other systems is also blocked.
In delivery status, the PIN is 0000.
Call our service department if you have modified and forgotten the
PIN.
6.4.2 Display
In the main menu point " Display", the individual submenu points
should be selected one after the other and provided with the correct
MINITRAC 31 • Foundation Fieldbus