8
MB2000
Datum 09.11.2009
Art.Nr. 81962
Änd. Stand 326/09
Fig. 8: Determination of thepole position. Cutting
the magnetic strip
Fig. 9: Determination of the pole position. Joining
the magnetic strip
6. Joining magnetic strips together
For some applications it may be necessary to ex-
tend the magnetic strip. The magnetic strip can be
cut and rejoined using standard tools.
But however carefully this is done the accuracy of
the strip at the join will be impaired.
The following tools/accessories are required:
magnet magnifier, magnetic foil or metal dust
rule or suitable tool
compass needle
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7. Maintenance
We recommend cleaning the magnetic strip’s surface
from time to time with a soft rag. This avoids dirt
(dust, chips, humidity ...) sticking to the strip.
8. Trouble shooting
Below are some typical errors which may occur du-
ring installation and operation:
Magnetic strip incorrectly mounted (active sur-
face must be mounted towards the sensor) (see
chapter 3.1).
Use of foreign protective strip. Must always be
non-magnetic.
Sensor not or incorrectly connected (pin connec-
tion, see chapter 5).
Tolerance for the gap between magnetic sensor and
magnetic strip not observed over the
total
travel
distance. Sensor touches strip (see fig. 6).
Cable squeezed / interrupted / cut by sharp
edges.
Sensor's active side not mounted towards the
magnetic strip (see fig. 6). The active side is
marked by the label "scale side".
Sensor has not been aligned according to fig.
6.
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Steps
If there is a cover strip, this is to be removed
first.
To determine the pole division either use metal
dust, a magnet magnifier or magnetic foil.
If necessary, use a compass needle to determine
the location of the poles on the magnetic strip
(fig. 8).
Use a rule and a sharp knife to cut the magnetic
strip at a right angle. Then also cut the carrier
strip accordingly.
Previous steps are to be repeated with the other
part of strip.
Check polarity before joining the two parts. Both
ends must attract each other (if necessary, use
compass needle). In case both ends have the
same polarity, shorten one end by a half pole
division (fig. 9).
Join the two ends closely together and add the
cover strip.
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SIKO GmbH
Werk / Factory:
Weihermattenweg 2
79256 Buchenbach-Unteribental
Postanschrift / Postal address:
Postfach 1106
79195 Kirchzarten
Telefon/Phone
+49 7661 394-0
Telefax/Fax
+49 7661 394-388
Internet
www.siko.de
Service