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Code reading systems

Introduction

Code Reading Systems

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Siemens ID 10 · 2014

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Overview

Code reading systems – Reading and verification of

1D/2D codes

For state-of-the-art production systems, tracing products and

parts with machine-readable identification is a central require-

ment. A unique coding system permits the planning of each and

every step of production for every part manufactured and

changes within the production process or in the materials used.

Direct marking of products also allows the implementation of

specified legal requirements for tracing production batches

throughout the production system.

What is Direct Part Marking (DPM)?

Direct Part Marking (DPM) is the application of a mark directly on

the surface of a product without the use of a separate carrier ma-

terial, such as an adhesive label. This makes it possible to iden-

tify products in production and tracing them after delivery as

well.

With so-called 2D codes a coding method is available that

meets these user requirements. 2D codes consist of easy to im-

plement, point-shaped basic elements. Laser and needle mark-

ing technologies are outstanding regarding durability, marking

speed and material independence. Despite mechanical defor-

mations, e.g. with metallic workpieces, the 2D codes can still be

read using 2D read devices even after multiple processing

steps. 2D codes also provide the advantage of being able to en-

code data in more limited spaces than comparable barcodes or

text

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Benefits

• Unique identification of products or product parts - Direct Part

Marking is the key technology for product traceability.

• Flexible and economic solutions thanks to the complete and

scalable portfolio of powerful stationary code reading sys-

tems.

• Simplified engineering, commissioning, diagnostics and

maintenance through seamless integration into Totally

Integrated Automation:

- Integrated bus connection to an automation system, such as

SIMATIC, SIMOTION or SINUMERIK via communication

modules with PROFIBUS and PROFINET.

- Simple S7 software integration via ready-to-use function

blocks.

- Extensive status and diagnostic functions.

• Greater security of investment due to support of all standard

matrix and bar codes.

• Openness through connection possibilities to various bus sys-

tems from different manufacturers and PC environments via

communication modules.

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