The basic idea behind an effective access and passage control is identification and selection of people.

All activities of people at specific access points are controlled, they are identified and selected as ‘authorized’ or ‘unauthorized’.

Depending on the object access control systems offer:

• general object protection (locking mechanism of entrance doors with actuarial approval)
• differenciated protection of parts of a company
• gradual trade secret protection
• comprehensive protection of specific safety zones and data areas
• armed and unarmed set-up of a burglar alarm system with VdS-conformity

An access control system consists of a central unit where programming and operation are carried out. The programmed access data is saved and managed in the control device.

One (or more) access control reader converts the physical encoding of a transponder (e.g. chip card or electronic key) into electric signals and forwards them to the control device. Alternatively classic digit input fields can also be chosen for identification (even additionally).

Contact-free transponders represent the most modern way of identification. No visible read only unit is required. The mere approximation of the ID-card to the reader at a distance of 10-15 cm is sufficient for a secure identification.

Additionally to the access control time recording up to book-keeping of wages can be realised through the access control readers. For specific times of presence or absence a time terminal for manual input can be provided in addition to the readers.

A guard control can be carried out through specific terminals.