15
NRS 2-50, NRS 2-51 - Installation & Operating Manual -
819179-05
Changing the factory settings
The upper terminal strip of the equipment is live during operation.
There is a risk of serious injury due to electric shock!
Always
cut off power
to the equipment before working on the terminal strips (installation,
removal, connecting cables).
Danger
Switching the input and changing the function of the level electrode/transmitter
The input and function are determined by the setting of code switch
c
.
To make changes, you can access the code switch as follows:
s
Switch off the supply voltage.
n
Remove the
lower
terminal strip.
Fig. 4
n
Insert a screwdriver on the right and left between the terminal strip and the front frame, as shown
by the arrows.
n
Release the terminal strip on the right and left sides, by turning the screwdriver in the direction of
the arrow.
n
Remove the terminal strip.
When your changes are complete:
n
Put on the lower terminal strip.
n
Switch the supply voltage back on. The equipment restarts
Fig. 4
c
