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4 Installation
4.1 Mechanical Installation
Procedure / removing the front module
-
Remove the mains module and any modules which may be plugged in.
-
Turn the controller so that you are looking at the operating- and display front module from
the front.
-
Carefully lever out the tag plate cover with a screwdriver at the cutout at the top and snap
the cover out of the bottom hinge points by bending slightly. Loosen the screw (captive)
Tilt the top of the front module at the head of the screw and pull it out angled slightly for-
wards.
-
The scales can now be removed from the narrow side of the operating- and display front
module with a pair of tweezers.
4.1.2
Installing the controller
D Panel mounting
The SIPART DR21 controllers are installed either in single panel cutouts or in open tiers (di-
mensions, see figure 2-6, page 35).
Procedure:
-
If necessary: Push the self-adhesive sealing ring for sealing the front frame/front panel
over the tube and stick to the back of the tube collar.
(to be ordered separately)
-
Insert the controller into the panel cut-out or open tier from the front and fit the two
clamps provided to the controller unit from the rear so that they snap into the cut-outs in
the housing.
-
Align the controller and do not tighten the locking screws too tight. The tightening range is
0 to 40 mm.
Figure 4-6
Dimensions SIPART DR21, dimensions in mm
124
Relay module
* Installation depth necessary for
changing the main circuit board
and modules
Manual
SIPART DR21
C73000-B7476-C143-08
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