DURAG D-R 290, Operating Manual

Page: 82 / 202

5 | Installation
82 D-R 290
Opening the housing
1. Open the four quick-release clamps and swing down the measuring unit.
2. The 6 screws for the housing cover are accessible internally. Undo them in the se­
quence specified at the bottom left.
Before undoing the last screw (6) grasp the handle of the housing cover with one
hand, so that the housing cover is supported by the lower arm.
3. Put the housing cover aside.
Setting the relay outputs with switches SW1 and SW2
The switches SW1 and SW2 are located on the main circuit board (see Fig. 5.16 ).
Fig. 5.16: Position of the switches SW1 and 2 in the measuring head
Fig. 5.16 (top right) shows the available switch settings and their functions. Switch
SW1 (designation on the printed circuit board) configures relay 1. Switch SW2 relates
to relay 2.
Open the housing:
First pull the plug
then open the door
Fig. 5.14: Attachment screws
for the
housing cover
Fig. 5.15: Undo