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Precision measurement for heavyweights

SIKO SG 30 Wire-actuated encoder for crane arms and lifting platforms

illimetres can make all the difference when it comes to regarding stability. The
the stability of cranes and lifting platforms. When safety is outer housing is made
Mjeopardised, cranes can tilt or even topple over. If loads are of sturdy zinc die-casting
lifted unevenly, this can result in strain and damage. What is needed and the spring housing
in these cases are easily integrated measurement solutions with a of fiberglass-reinforced
good price-performance ratio and first-class product quality. SIKO has plastic.
solved this by developing the SG 30 wire-actuated encoder with its Another unique feature
compact yet robust design and wide range of applications. of the SG 30 is its wide range of
Instrotech is offering Siko’s innovative wire-actuated encoders for working temperatures, which enables it to
a wide spectrum of applications with measurement lengths ranging be used from -40 to +80°C. Four lockable aeration holes
from 600 mm to 40 m. The functional principle of the wire-actuated are integrated to avoid condensation, and the wire outlet has
encoders is simple: a measurement wire is wound onto a drum. a special protective seal. The wire pullout is flexible so that 100%
When the wire is pulled out, it causes the drum to rotate. A sensor alignment with the extension direction of the outlet is not necessary.
connected to the drum axle records this rotation and generates a The SG 30 has a measurement range of up to 3000 mm (i.e.,
measurement signal proportional to the wire movement of the drum, 30 m). A high degree of measurement accuracy over the whole
which indicates the position. measurement range is ensured by winding the wire on the drum in
When extending crane arms, exact position detection of the just a single layer. The SG 30 is ready for connecting the following
supports is essential to prevent the crane or truck from tilting or encoder types: CAN/CAN-Bus, MWI and MWU. One advantage
toppling over. This is done by measuring the current values of the offered by the standardised connection method is the plug & play
extended supports and comparing them directly with the length of system, which guarantees swift, easy installation and immediate use.
the extended crane arm. This means that complete extension of the
crane arm is only possible if the supports are also extended to the Contact Instrotech, Phone 010 595-1831, sales@instrotech.co.za,
maximum width. www.instrotech.co.za
Facebook: bit.ly/3rj1SWY
Special case: lifting platforms LinkedIn: bit.ly/3rkfKjL
Wire-actuated encoders are not only used for cranes operating at YouTube: bit.ly/3irItiy
great heights. Optimum precision is also needed when extra-long Product: https://bit.ly/3oXlkIN
loads must be lifted. Wire-actuated encoders ensure even lifting Hashtags: #Siko #Instrotech #Position #encoders
e.g., of trains, underground
trains or trams using a lifting
platform. Failure to observe
this can cause strain, which can
result in damage to the entire
construction.

Space-saving and resistant
to cold
A redundant system is often
necessary for safety reasons
and in space-constrained
situations. With these precision
requirements in mind, SIKO
has developed the SG 30
wire-actuated encoder with
its particularly slim, compact
design. Despite its space-
saving size and light weight of
approximately 500 grams, no
compromises have been made

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