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Card Access Control System

Card Access Control: Who Goes Through Which Door, and When

A card access control system lets staff and visitors through doors, turnstiles and barriers only in the zones and at the times they are authorised for, and logs every passage. In the systems we install, one card read opens the door, records time and attendance and logs a canteen meal; visitors get a timed QR code.

CCTV tells you what happened afterwards; access control stops the wrong person getting through the door in the first place. On many sites the real problem is that doors, time and attendance and the canteen each run on their own device and their own list — a leaver's card is cancelled in one system and still works in another, and payroll data is stitched together by hand at month end.

We specify and install the readers, door controllers, turnstiles and barriers for your site and connect them all to one software platform: our own SmartPass. A single card read opens the door, records attendance and, where the employee is entitled to it, logs a canteen meal. No separate attendance terminal is needed, and timesheets can be exported to your HR and payroll system. For vehicle entry see barrier and parking systems; where cards must not be shared, see fingerprint access control.

Zone-Based Management

Gatehouse, production, warehouse, offices: the site is divided into zones, with every door, turnstile and barrier run from one dashboard.

Rules in Plain Language

Write rules such as “Production staff may enter the warehouse during working hours”. If two rules conflict, the system shows which one applies.

Attendance and Canteen

Entries and exits become timesheets based on the shift plan, and reports can be exported to payroll. The same card counts canteen meals.

Live Monitoring and Lockdown

Movements are monitored live. In an emergency every door locks in one action, and you can see who is inside each zone at that moment.

Card access control system illustration: RFID card reader, door and attendance dashboard

Card Access Control System Components

Hardware
  • RFID / NFC card readers (125 kHz and 13.56 MHz), QR-capable terminals
  • Electric strikes, magnetic locks and door controllers
  • Turnstiles: full-height, half-height, tripod
  • Vehicle barriers
  • Power supplies with battery backup for outages
Software & Integration
  • Web-based central dashboard (SmartPass)
  • Permanent cards for staff, single-use timed QR codes for visitors
  • Shift-based timesheets with export to payroll
  • KVKK-aware: card numbers never stored in plain text, full audit trail
  • Mobile app for access on the move

Where Card Access Control Is Used

Factories and Production Plants: Separate permissions for the shop floor, warehouse and admin building; shift timesheets and canteen counts on the same card.
Office Buildings: Floor- or zone-based permissions; visitors get a timed QR code at reception instead of a printed card.
Campuses and Schools: Separate rules for students and staff; canteen and library entry on the same card.
Residential Sites: Pedestrian turnstiles, vehicle barriers, resident and visitor records in one dashboard.

Project Example

Industrial Plant — Multi-Point Card Access and Attendance System

We installed RFID access control with separate permission profiles for the production area, administrative building and warehouse. Turnstile passages were logged automatically, and the monthly timesheet came straight from the system into the existing payroll software instead of being compiled by hand. Visitor access ran through the same platform.

Questions we hear most often

Frequently Asked Questions

What is a card access control system and how does it work?

A card access control system lets people through doors, turnstiles and barriers only where and when they are authorised. The person presents a card, the software checks their permission for that door at that time and, if allowed, opens the lock, turnstile or barrier. Every passage is logged and can be monitored live.

Can card access control also handle time and attendance and the canteen?

Yes. Our systems run on SmartPass: a single card read opens the door, records attendance and, where the employee is entitled to it, logs a canteen meal. No separate attendance terminal is needed. Entries and exits become timesheets based on the shift plan, and reports can be exported to your payroll system.

How are visitors managed?

Staff get permanent cards and visitors get a single-use, timed QR code, so reception does not need to print cards. Cards and QR codes are read on the same terminal and follow the same permission rules: a visitor can only enter the zones assigned to them, within the time allowed, and every passage is logged.

What determines the cost of a card access control system?

Cost has three parts: hardware, installation and software subscription. Hardware such as readers, locks, turnstiles and barriers is purchased and owned by your organisation; installation depends on the number of doors and site conditions; SmartPass runs on a monthly or yearly subscription per terminal. After a site survey we send a written proposal.

How does the system protect personal data?

Card numbers are never stored in plain text; they are kept as an irreversible hash. Every change to permissions and records is written to an audit trail with old and new values, and the auditor role is read-only. Records past their retention period are anonymised, in line with Turkish data protection law (KVKK).

What happens in an emergency?

Passages are monitored live. In an emergency every door can be locked with a single action, and the system lists who is inside each zone at that moment, which helps identify anyone still on site during an evacuation. Installations also include power supplies with battery backup for outages.

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