AutoID-Technology – quo vadis?

Technology report

Automatic identification systems such as 1D/2D-code and RFID readers are tried-and-tested, indispensable technologies for controlling industrial production processes and logistics workflows in the supply chain. At the same time, Industry 4.0 and IIoT have put digitization at the focus of advancing automation. What demands will in future be placed on modern identification systems? Has the classic reader, which forwards a code via a serial interface to a control, become obsolete?

 

PPIC_Bar_code_readers_500x700px_V2
Extensive range of bar code readers from Leuze providing reliable solutions for identification tasks in intralogistics.

Advantages of RFID over the bar code

The advantages of RFID compared to the bar code are obvious: Unlike the bar code, RFID requires no direct line-of-sight between the data carrier and reader. And another often important point: Additional data can be stored on the RFID data carrier so that as well as an individual code (the so-called unique ID or electronic product code (EPC)), each object can also be assigned additional, decentrally stored information about its properties, history or its current state. After many years of targeted technical development and with extensive experience in different industrial sectors and applications in practically all industrial production processes and in the supply chain, RFID has developed into an established and reliable identification technology. Its advantages over the bar code play out wherever the application conditions and the cost-benefit calculation allow the use of RFID.

Technology report

Automatic identification systems such as 1D/2D-code and RFID readers are tried-and-tested, indispensable technologies for controlling industrial production processes and logistics workflows in the supply chain. At the same time, Industry 4.0 and IIoT have put digitization at the focus of advancing automation. What demands will in future be placed on modern identification systems? Has the classic reader, which forwards a code via a serial interface to a control, become obsolete?

 

RFID versus bar code?

Today, both technologies live in peaceful coexistence, particularly in track-and-trace applications. For example in the automotive industry where production processes need to be continuously monitored while at the same time an eye must be kept on all material flows necessary for component supply. Linked to this are further state information about the condition of the machines and systems as well as the control of container loops and warehouse management. As "enabling technology", both laser-based or camera-based optical identification systems and RFID systems today make a major contribution to end-to-end automation and process tracking. And that's not all: They provide the basic data for a digital map of the production system, including all components involved and the logistics processes. At the same time, the evolution of classic production through to the "smart factory", logistics and "smart material flow", all of which was set in motion by Industry 4.0 and Industrial IoT, demands the adaptation of established AutoID systems to the enhanced requirements of digitally networked systems on the shop floor. The developments needed to achieve this extend to the functionality, communication capability and performance of AutoID systems.

PPIC_RSL_Produktfamilie_b_169
Die Safety-Laserscannerfamilie RSL 200 und RSL 400.

RFID versus bar code?

Today, both technologies live in peaceful coexistence, particularly in track-and-trace applications. For example in the automotive industry where production processes need to be continuously monitored while at the same time an eye must be kept on all material flows necessary for component supply. Linked to this are further state information about the condition of the machines and systems as well as the control of container loops and warehouse management. As "enabling technology", both laser-based or camera-based optical identification systems and RFID systems today make a major contribution to end-to-end automation and process tracking. And that's not all: They provide the basic data for a digital map of the production system, including all components involved and the logistics processes. At the same time, the evolution of classic production through to the "smart factory", logistics and "smart material flow", all of which was set in motion by Industry 4.0 and Industrial IoT, demands the adaptation of established AutoID systems to the enhanced requirements of digitally networked systems on the shop floor. The developments needed to achieve this extend to the functionality, communication capability and performance of AutoID systems.

Technology report

Automatic identification systems such as 1D/2D-code and RFID readers are tried-and-tested, indispensable technologies for controlling industrial production processes and logistics workflows in the supply chain. At the same time, Industry 4.0 and IIoT have put digitization at the focus of advancing automation. What demands will in future be placed on modern identification systems? Has the classic reader, which forwards a code via a serial interface to a control, become obsolete?

 

PPIC_Bar_code_readers_500x700px_V2
Extensive range of bar code readers from Leuze providing reliable solutions for identification tasks in intralogistics.

Advantages of RFID over the bar code

The advantages of RFID compared to the bar code are obvious: Unlike the bar code, RFID requires no direct line-of-sight between the data carrier and reader. And another often important point: Additional data can be stored on the RFID data carrier so that as well as an individual code (the so-called unique ID or electronic product code (EPC)), each object can also be assigned additional, decentrally stored information about its properties, history or its current state. After many years of targeted technical development and with extensive experience in different industrial sectors and applications in practically all industrial production processes and in the supply chain, RFID has developed into an established and reliable identification technology. Its advantages over the bar code play out wherever the application conditions and the cost-benefit calculation allow the use of RFID.
PPIC_Bar_code_readers_500x700px_V2
Extensive range of bar code readers from Leuze providing reliable solutions for identification tasks in intralogistics.

Advantages of RFID over the bar code

The advantages of RFID compared to the bar code are obvious: Unlike the bar code, RFID requires no direct line-of-sight between the data carrier and reader. And another often important point: Additional data can be stored on the RFID data carrier so that as well as an individual code (the so-called unique ID or electronic product code (EPC)), each object can also be assigned additional, decentrally stored information about its properties, history or its current state. After many years of targeted technical development and with extensive experience in different industrial sectors and applications in practically all industrial production processes and in the supply chain, RFID has developed into an established and reliable identification technology. Its advantages over the bar code play out wherever the application conditions and the cost-benefit calculation allow the use of RFID.
PPIC_Bar_code_readers_500x700px_V2
Extensive range of bar code readers from Leuze providing reliable solutions for identification tasks in intralogistics.

Advantages of RFID over the bar code

The advantages of RFID compared to the bar code are obvious: Unlike the bar code, RFID requires no direct line-of-sight between the data carrier and reader. And another often important point: Additional data can be stored on the RFID data carrier so that as well as an individual code (the so-called unique ID or electronic product code (EPC)), each object can also be assigned additional, decentrally stored information about its properties, history or its current state. After many years of targeted technical development and with extensive experience in different industrial sectors and applications in practically all industrial production processes and in the supply chain, RFID has developed into an established and reliable identification technology. Its advantages over the bar code play out wherever the application conditions and the cost-benefit calculation allow the use of RFID.

Functionality

An important step toward the optimization of AutoID systems with respect to the digitization of production processes is condition monitoring. This requires the integration of sensors in the AutoID devices. These sensors enable condition monitoring of the reader and deliver cyclical information on the device state, warn of irregularities in the quality of the acquisition process and by means of downstream analyses allow prompt intervention or predictive maintenance of the system. The integration of external sensors in order to determine the current state at the same time as object identification and to link this to the object ID stored on the data carrier also provides a considerable benefit for the optimization of process transparency. Operating as an IO-Link master, an AutoID device can, for example, collect data from multiple IO-Link sensors installed at the reading location very easily and – either forward this data to a control system – or, with the appropriate hardware equipment, even preprocess it in the device itself using suitable software applications.

Functionality

An important step toward the optimization of AutoID systems with respect to the digitization of production processes is condition monitoring. This requires the integration of sensors in the AutoID devices. These sensors enable condition monitoring of the reader and deliver cyclical information on the device state, warn of irregularities in the quality of the acquisition process and by means of downstream analyses allow prompt intervention or predictive maintenance of the system. The integration of external sensors in order to determine the current state at the same time as object identification and to link this to the object ID stored on the data carrier also provides a considerable benefit for the optimization of process transparency. Operating as an IO-Link master, an AutoID device can, for example, collect data from multiple IO-Link sensors installed at the reading location very easily and – either forward this data to a control system – or, with the appropriate hardware equipment, even preprocess it in the device itself using suitable software applications.

Functionality

An important step toward the optimization of AutoID systems with respect to the digitization of production processes is condition monitoring. This requires the integration of sensors in the AutoID devices. These sensors enable condition monitoring of the reader and deliver cyclical information on the device state, warn of irregularities in the quality of the acquisition process and by means of downstream analyses allow prompt intervention or predictive maintenance of the system. The integration of external sensors in order to determine the current state at the same time as object identification and to link this to the object ID stored on the data carrier also provides a considerable benefit for the optimization of process transparency. Operating as an IO-Link master, an AutoID device can, for example, collect data from multiple IO-Link sensors installed at the reading location very easily and – either forward this data to a control system – or, with the appropriate hardware equipment, even preprocess it in the device itself using suitable software applications.

Oliver_Ptz-Gerbig

Oliver Pütz-Gerbig

oliver.puetz-gerbig@leuze.com

Product Manager 

Product Center Ident & Vision


Kompakte Technik trumpft groß auf

Sicherheits-Laserscanner haben sich in automatisierten Anlagen und Produktionsumgebungen als effiziente Lösungen für den Schutz von Mensch und Maschine etabliert. 

Benjamin Schmid, Chief Innovation Officer bei Leuze, erläutert im Gespräch die Vorteile dieser Technik und weshalb ultra-kompakte Modelle im Kommen sind.

Herr Schmid, weshalb spielen Sicherheits-Laserscanner für viele Anwendungen in der Industrie eine wichtige Rolle?

Benjamin Schmid: Sicherheits-Laserscanner sind ein Schlüsselwerkzeug, um Mensch und Maschine in der Industrie 4.0 zuverlässig zu schützen. Sie bieten eine enorme Flexibilität mit ihren frei konfigurierbaren Sicherheitszonen, die sich dynamisch anpassen lassen. Ein Beispiel ist die Absicherung von fahrerlosen Transportsystemen in der Logistik: Hier müssen die Scanner nicht nur Hindernisse erkennen, sondern die Sicherheitszonen jederzeit an die Bewegungsrichtung des Fahrzeugs anpassen. Ebenso eignen sie sich zur Zugangsüberwachung an Fertigungsanlagen, etwa bei Roboterschweißzellen. Der Scanner erkennt, wenn jemand in die Gefahrenzone eintritt und kann die Maschine sofort anhalten. Diese Technik ist auch bei kollaborativen Robotern unverzichtbar, hier können Laserscanner flexibel die Arbeitsumgebung überwachen. Und dann bei Annäherung einer Person die Robotergeschwindigkeit reduzieren oder diesen stoppen. All das macht die Geräte in der industriellen Automation aus meiner Sicht unverzichtbar.


In den vergangenen Jahren haben kompakte Geräte an Bedeutung gewonnen. Warum sind die Abmessungen eines Sicherheits-Laserscanners und dessen Integration immer öfter ein entscheidender Faktor für Anlagenbetreiber?

Benjamin Schmid: Um es etwas zugespitzt zu formulieren: In der Industrie zählt heute praktisch jeder Millimeter. Produktions- und Logistikumgebungen werden immer dichter gepackt, dadurch bleibt häufig auch weniger Fläche für die Sicherheitslösungen. Deshalb lässt sich ein Sicherheits-Laserscanner mit kleinen Abmessungen eben viel leichter integrieren. Hinzu kommt das Thema Gewicht: Jedes zusätzliche Gramm zählt. Ob an Maschinenfronten und Robotern, engen Förderstrecken oder am FTS, wo der Platz ohnehin begrenzt ist. Auch ein wichtiger Aspekt: Ausgeklügelte Installationsmethodik senkt die Installationskosten, weil man einfachere Halterungen nutzen kann und keine oder nur kleinere Gehäusekonstruktionen für die Sicherheitskomponente braucht. Manchmal bleibt einem als Anlagenbetreiber sogar erspart, eine bestehende Anlage umzubauen, wenn der neue Scanner deutlich kompakter ist als der alte. All das reduziert die Komplexität, den Aufwand und damit die Kosten.


Aber können diese ultra-kompakten Scanner bei der Leistung auch mit größeren Modellen mithalten?

Benjamin Schmid: Absolut. Dank moderner Technologien stehen kompakte Modelle ihren größeren Pendants in nichts nach. Die Leistung hängt nicht von der Größe ab, sondern von der zugrundeliegenden Technologie. Auch sehr kleine Laserscanner bieten dieselbe Präzision und Funktionalität – teils sogar noch mehr. So sind ultra-kompakte Geräte wie unser RSL 200 optimal für den Einsatz an FTS und AMR geeignet. Er ist der derzeit kleinste Sicherheits-Laserscanner auf dem Markt, kann dank drei Meter Reichweite und einem 275 Grad breiten Scanwinkel aber auch optimal zur Bereichssicherung an Maschinen und Anlagen verwendet werden. Und das bei geringerem Platzbedarf. Natürlich sind je nach Anlage manchmal größere Reichweiten erforderlich. In dem Fall lohnt sich dann ein Sicherheits-Laserscanner wie der große Bruder RSL 400 mit bis zu 8,25 Meter Reichweite. Dieser arbeitet mit bis zu zwei unabhängigen Schutzfunktionen und kann so zwei Scanner ersetzen – das macht wiederum die größeren Abmessungen wett.


Worauf sollten Anlagenbetreiber bei Sicherheits-Laserscannern noch achten?

Benjamin Schmid: Es ist wichtig, die spezifischen Anforderungen der Anlage zu analysieren. Soll der Scanner stationär oder mobil eingesetzt werden? Welche Reichweite und Auflösung werden benötigt? Neben Größe und Leistungsfähigkeit spielen auch Faktoren wie Schnittstellen und Flexibilität bei der Konfiguration beziehungsweise Diagnose eine Rolle. Für den RSL 200 bieten wir beispielsweise die RSL 200-App an, um auf Statusinformationen und Diagnosedaten zuzugreifen. Per Bluetooth lassen sich dann alle wichtigen Informationen aus der Entfernung erfassen. Das kann sehr praktisch sein, wenn der Laserscanner in schwer einsehbaren Bereichen einer Anlage montiert ist. Oder wenn der Zugang zum Gerät eingeschränkt ist. Für das Auslesen der Informationen muss das Schutzfeld nicht betreten werden, die Maschine kann also unterbrechungsfrei weiterarbeiten. Nicht zu vergessen: Seit Januar 2025 gilt die neue ISO 13855, die Berechnungsgrundlage für den Sicherheitsabstand hat sich geändert. Deshalb sollte jeder Anlagenbetreiber seine Anlagen und die Positionierung von Schutzeinrichtungen diesbezüglich überprüfen lassen – Leuze unterstützt bei Fragen dazu gerne.

RSL 200 Artikelauswahl

Schmid_Benjamin_7,5x11
Benjamin Schmid

Chief Innovation Officer
bei Leuze