SCALA reader encapsulated

Product description

The SCALA readers are write/reader units, which can be used in combination with the SCALA EAC system. They are used for contactless identification in SCALA. The readers are suitable for both indoor and outdoor installation.

The encapsulated SCALA reader is ideally suited for use outdoors thanks to its high IP protection rating.

Operation is extremely easy thanks to the clear signals. The display takes place both visually via LEDs and acoustically. The user therefore sees instantly whether access is being granted or whether new user rights are being written on the identification card.

The data of the transponder is converted 1:1 analogue/digital and sent to the SCALA controller. The security of the encryption is identical to the security of the air interface between the user identification card and reader.

All safety-relevant processes do not take place in the reader, but are controlled in the controller. This rules out tampering between the identification card, reader and controller based on the current state-of-the-art technology – such as tapping the encryption or replacing the reader with a compromised unit.

The SCALA readers have integrated temperature and voltage sensors as standard, which permanently measure the temperature and input voltage of the readers. This can help to prevent faults.

The available operating states are displayed via a yellow, a dual colour (red/green) and a RGB-LED. The transmission quality between the user identification card and the reader is displayed via the RS485 bus with a communication LED.

The communication between SCALA reader and controller takes place via a RS485 interface. Both the communication and the voltage supply takes place via the 4-wire cable.

The wiring of the reader takes place intuitively and is particularly easy.

The SCALA reader can be mounted on any standard flush-mounted box. The reader can also be surface-mounted using the mounting frame.

  • Permanent open/permanent locking
  • Authorisation via identification card

Overview of Advantages

  • Protection category IP54
  • Available variants: Surface-mounted; with and without PIN keypad
  • Integrated buzzer
  • 3 multi-coloured LEDs
  • RS485 interface (SCALA protocol)
  • Integrated temperature monitoring (evaluation in SCALA net)
  • Integrated voltage monitoring (evaluation in SCALA net)
  • Integrated read/write mode (can be set using the SCALA net software)
  • Integrated encryption mode
  • Encrypted data transmission from the identification card to the door control


  • This reader can only be used in SCALA net
Technical data
Input operating voltage12 - 24 V DC +/- 15 %, 0,8 W
Max. start current consumption at 12 V DC0.07 A
AuthenticationDepending on the reader version: three authentication levels (PIN only, card only, PIN & card combined)
CodePIN code: 4- to 8-digit code can be set in the software
Dimension92 x 92 x 22.5 mm (W x H x D)
ColorWhite, silver, charcoal
Class of protectionIP65
Operating temperature range-25 °C to +70 °C
Relative humidity< 95% (non-condensing)
Status1 x single-color LED, 1 x dual-color LED, 1 x RGB LED
RFID Technologies (Based on reader type)MIFARE Classic® / MIFARE DESFire® EV1/EV2; LEGIC® (Advant, Prime, ISO 14443a)
RFID readingUID / Sektor / Block / Application / File / LEGIC® Segment Data
RFID Reading rangeapprox. 2-4 cm identification card; approx. 2 cm key tag
Communication interfacesRS485 interface for connection to the controller (automatic baudrate recognition)