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Intelligent Connectors - When Components Communicate

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Intelligent Connectors - When Components Communicate
Intelligent Connectors - When Components Communicate

Video: Intelligent Connectors - When Components Communicate

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The latest product in the Harting “smart Han” connector series - the “CAN ID module” - enables communication using the CAN open protocol. The interface was implemented as a module from the Han-Modular series. This guarantees that the identification is integrated into the component in a space-saving and flexible manner. B. a machine is supplied with power, data and signals.

The fact that the identification functions can be relocated to the connector brings some improvements. In the cases described below, these advances are differentiated according to machines for mobile use and machines with isochronous drives:

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Case 1: ID module in mobile machines

On machines with pluggable drives, auxiliary devices and other elements, the ID modules help to determine whether the units are in the correct slot. Information such as the year of construction, last revision level and other parameters can also be saved and used for predictive maintenance. The ID module has a dual role - as an identification tool and data storage. If the units are arranged incorrectly, the machine cannot be started. There is also enough storage space for subordinate, area-relevant additional information. The ID module thus paves the way for individualizing the machine unit.

Case 2: ID module in isochronous drives

Both in classic machine construction and in special machine construction, there are machine components characterized by movement processes, which are composed of individual movements that run synchronously with one another. The CAN bus, which is real-time capable and organized according to the "publisher-suscriber" principle, is ideally suited for the synchronization of participants. The current configurations of drives can be checked via the CAN ID module and the determined parameters can be transmitted to all other drives and the controller.

The machine may only start if the drive is configured correctly, otherwise it will be blocked. One benefit is the possible time saving for the service: the data for the drive is available in the ID module, the revision status can be queried quickly, and a list of the installed components can be called up. This means that machine elements can be replaced and repaired more quickly.

Additional information on the subject in summary: ID module offers advantages for both machine types

The ID module offers advantages for both machine types: First, it serves to introduce the identification functions in combination with storage options in the device periphery; secondly, it sensibly complements existing complex systems and helps to save time and costs for service.

Support service: ID module facilitates condition-based maintenance

The CAN ID module supports the service by making condition-based maintenance easier with its data memory. The goals of intelligent maintenance of machines and systems are uninterrupted availability and the compensation of fluctuations. The condition is therefore recorded and communicated in regular operation.

The ID module enables data to be recorded in the connector - without additional hardware and software. In parallel to the transmission of power, signals and data, data is permanently stored in the module. The basis is provided by compact, powerful sensors that measure quantities such as current, voltage or vibration and make them available as measured values ​​of defined quality.

The measured values ​​are updated depending on the machine condition. Errors such as B. increased vibration are detected by a sensor via vibration analysis in the connector and passed on. If necessary, the signals can be wired or processed via industrial WLAN systems and made available for operational data acquisition (PDA).

The measurement results provided by the ID module enable reliable statements to be made about the condition of the machine elements. However, recording the current degree of wear and tear alone is not sufficient for condition-based maintenance. Rather, the long-term behavior of a parameter must be suitable for an extrapolation of future development. This is the only way to schedule maintenance measures depending on the condition. It is therefore important to embed the CAN ID module in the overall maintenance strategy. (sh)

Electronica 2016: Hall B2, Stand 542

* Dipl.-Ing. Ralf Reicks is product manager at HARTING Electric GmbH & Co. KG

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