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Programmable encoders cut stocking levels

A SICK (UK) product story
Edited by the Engineeringtalk editorial team Jun 9, 2005

The new DRS 61 incremental encoder from Sick-Stegmann offers full programmability.

The new DRS 61 incremental encoder from Sick-Stegmann offers full programmability - resulting not only in greater flexibility for the user, but also a significant reduction in stocks of preprogrammed, application- or machine-specific devices.

Using a PC and programming tool, users and system integrators can program any line numbers between 1 and 8192.

They can also define the desired zero pulsewidth - 90 or 180 degrees - at the press of a button.

This rapid, customer-friendly commissioning will save users both time and money.

At the heart of the DRS 61, a member of the CoreTech family of encoders, is an optical code disc on which all line numbers can be scanned.

High signal quality and immunity to interference is guaranteed by the differential scanning provided by the DRS 61's ASIC scanning element.

Typically most encoder manufacturers offer thousands of different encoder versions with different pulse counts - to allow customers to choose a product that matches their application.

The consequence of this is that stocks of pre-manufactured encoders are low and, in most cases, manufactured to customers orders.

The result is a long delivery lead time, which can prove disastrous in the event of a breakdown.

In addition, massive product variation in combination with a typical mean time between failures of 100kh, means each encoder type tends to be used very seldom.

As a result, customers tend not to hold spare encoders on stock - exacerbating any potential maintenance problems.

The DRS61 not only addresses the needs of the stores manager, keeping stock holding to a minimum, but also addresses the issues of maintenance engineers, who may need to replace a damaged encoder quickly.

Their programmability and mounting options - and a protection class up to IP66 - means a single basic version can address the needs of most tasks in a wide variety of industries.

Examples include automotive assembly, packaging machines, medical technology, elevator or conveyor systems, robotics, crane plants or metal processing.

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