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News

Electronic locking at European Cardiology centre

LEGIC Identisystems Ltd : 29 October, 2009  (Application Story)
The Heart Centre in Bad Krozingen has eliminated complex key management with access credential from LEGIC enabling access writes to be remotely written to the key and locks
Electronic locking at European Cardiology centre
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Designing an electronic locking system for the Heart Centre in Bad Krozingen meant meeting a wide variety of requirements. The solution: a LEGIC based combined online / offline access control system from Häfele.


The Heart Centre in Bad Krozingen is a modern health service centre that specialises in cardiology, angiology and cardiac and vascular surgery and is one of the leading facilities of its type. In October 2007, the Heart Centre opened its newly constructed annex building. This new building also prompted the decision to adopt a redesigned locking system. The solution implemented for the annex building has now been extended to include the entire building complex.

The decision to opt for an electronic locking system was an obvious choice. Those responsible for running the Heart Centre were especially impressed by one particular plus point: "In the past, managing keys had always taken up a huge amount of effort", recalls Bernd Sahner, the Heart Centre's Administrative Director. In contrast, nowadays every employee has an electronic key in the form of a sturdy plastic tag. This ID credential contains a programmable LEGIC transponder chip. When a staff member clocks in on the LEGIC based time registration terminal, that day's up-to-the-minute access rights are automatically written on the transponder.

"Introducing the solution went smoothly", says Bernd Sahner. He mentions another advantage of the new system: "When an electronic key is lost, the corresponding transponder is simply disabled in the system. Previously, if a physical key was lost, this entailed considerable expense: We had to replace locks. In the old days there was always a potential security risk." Security considerations were also a reason why the electronic locking solution was extended to include the single sick rooms. There are electronically secured cabinets and lockers for every patient in the Heart Centre. These are operated either by a plastic tag or by a chip card.

The wide variety of requirements that had to be met and the size of the facility were factors which initially favoured an online access control system for the Heart Centre. With an online system, locking points and access authorisations are managed centrally on a server. However, this would have entailed having to wire all the doors. A purely offline system would not have been a realistic alternative. With such a system, it would have been necessary to reprogram each individual door in the event of any change.

Häfele's Dialock Integra, a combined online / offline system, turned out to be the right solution. With this solution, an online access control system is supple-mented by adding specially selected offline components. This way, central management of access rights can include room doors and even furniture doors that are fitted with offline door terminals. The offline terminals are specially developed components of the Dialock offline locking system.

In total, 12 external doors of the Heart Centre are secured by wall-mounted online readers. Another 338 internal doors of office, equipment and service rooms are integrated into the online solution by using Integra off-line components. Various components such as profile cylinder locks or a door terminal with a printer are available. The locking solution also includes 865 furniture doors.
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