Wire-Actuated Encoders 4 General information and areas of application The most flexible solution when the direct route goes round the corner SIKO wire-actuated encoders are a per-fect measurement solution thanks to their state-of-the-art, fail-safe technol- ogy and eortless integration. They are suitable for a wide range of measurement tasks under very varied conditions. Their sturdy design and wire types guarantee an exceptionally long, maintenance-free service life. Rotary encoders made by SIKO are optimally suited to wire-actuated technology. Custom-specific encoders can also be mounted thanks to standardized mechanical “interfaces”. This is how the technology works . 1
A single layer of measurement wire is wound onto an internal drum [1]. When the wire is pulled out [2], it causes the drum to rotate. The angle professional sensor [3] con- nected directly to the drum axle records this rotation and generates an arbitrarily usable measurement signal proportional to the wire movement. An integral coil spring [4] on the drum’s rotation axis guarantees a safe wire return movement (see illustration). Mounting eort is low, as the wire is simply attached to the object to be measured. This means there is no need of additional guiding systems or installation of energy supply industrial chains. Moreover, the flexibility of the wire en- ables linear adjustments even at sites which are hard to reach. Indirect paths can also be measured by means of guide rollers.A choice of incremental and absolute measuring principles is generally avail- able. SIKO wire-actuated encoders cover almost the entire range of industrial applications - from compact versions in miniature format with a measurement length of 600 mm to solutions with wire pull-out lengths of 40 m. 3 . 23
Benefits â–  Long service life thanks to consis- . 33
tent technological development and application-oriented choice of materials Excellent price-performance ratio . 43
â–  â–  Variable measurement lengths â–  Easy adaptation of measuring trans- . 53
ducersStandardized interfaces â–  â–  Problem-free, fast mounting . 6 3 3 . 7
[1] Internal wire drum [3] Angle sensor [4] Coil industrial springs Special SGL feature: As the wire is extended, the internal drum moves axially, ensuring maximum safety for guiding and rewinding the extended wire. [2] Wire pull-out 3 LinearLine | 3.1 Wire-Actuated Encoders www.siko.de