beautypg.com

KROHNE OPTISWITCH 3300C NAMUR EN User Manual

Page 27

background image

2

1

Fig. 15: Loosen the screws

1

Electronics module

2

Screws (2 pcs.)

6 Remove the old oscillator
7 Compare the new oscillator with the old one. The type label

of the oscillator must correspond to that of the old

oscillator. This applies particularly to instruments used in

hazardous areas.

8 Compare the settings of the two oscillators. Set the

adjustment elements of the new oscillator to the same

setting of the old one.

Information:

Make sure that the housing is not rotated during the electronics

exchange. Otherwise the plug may be in a different position

later.

9 Insert the oscillator carefully. Make sure that the plug is in

the correct position.

10 Tighten the two screws with a screwdriver (Torx size T10

or slot 4).

11 Insert the wire ends into the open terminals according to

the wiring plan

12 Press the opening lever of the terminals downward, you will

hear the terminal spring closing

13 Check the hold of the wires in the terminals by lightly

pulling on them

14 Check the tightness of the cable entry. The seal ring must

completely encircle the cable.

15 Screw the housing cover back on
The electronics exchange is now finished.

OPTISWITCH 3300 C - with NAMUR output

27

Maintenance and fault rectification

31358

-EN

-060830