PZ277EK 1.3.1 10/2022. 0.5
Page 4 of 6
M O T I O N | P O S I T I O N I N G
Mounting the Mirror
NOTICE!
Incorrect mounting of a mirror or mirror
holder can damage the positioner and
reduce the positioning accuracy.
X
Clamp the mirror holder above the
flexure only.
X
Use a suitable mirror and adhesive.
X
Do not allow adhesive to get into the
positioner.
X
S-325 only: Do
not
use the holes in
the motion platform.
Tools and Accessories
▪
Suitable adhesive, e.g., two-component
epoxy resin that hardens at room tempera-
ture and is insensitive to shear forces
▪
Suitable mirror with thermal expansion
properties as similar as possible to the
motion platform, maximum 25.4 mm or 1“
diameter
▪
If necessary: Suitable mirror holder with
thermal expansion properties as similar to
the motion platform as possible
▪
Suitable template for applying the adhesive
(not standard accessory)
▪
Suitable centering aid for aligning the mir-
ror (not standard accessory)
a. Adhesive
b. Template
c. Positioner
d. Mirror
e. Centering aid
1. Align the template on the positioner.
2. Apply the adhesive to the motion platform.
3. Attach the centering aid to the positioner.
4. Attach the mirror.
Mounting the Positioner
and the Protective Earth
Conductor
Requirements
✔
The positioner is not connected to the
electronics.
✔
You have provided a suitable mechanical
mounting (see manual).
✔
If the protective earth conductor is
connected via the mechanical mounting:
The mechanical mounting and the screws
used are sufficiently conductive and the
mechanical mounting is connected to the
protective earth conductor.
✔
The cross section of the protective earth
conductor is at least 0.75 mm².
✔
The contact resistance at all protective
earth connections is <0.1 Ω at 25 A.
Connecting the Positioner via a
Separate Protective Earth Connection
If a separate protective earth connection is
available, it must be used.
a. Protective earth connection in the base
body of the positioner
b. Safety washer
c. Flat washer
d. Cable lug of the protective earth conductor
e. M4 screw
1. Fasten a suitable cable lug to the protective
earth conductor.
2. Affix the cable lug of the protective earth
conductor to the protective earth connecti-
on using the screw set supplied.
3. Tighten the screw with at least three turns
and a torque of 1.2 Nm to 1.5 Nm.
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