IWM-K531 Wall-mounted contactless reader

Product family

Wall-mounted readers

OEM or PC devices, firmware development

K531 reader may also be offered as an OEM module (with or without antenna), or mounted on a CSB4 board. Please contact us for any specific need.

To meet-up the most particular requirements, a development kit makes it possible to load inside K531 itself your own specific software.

Common features

• Size : H 103mm x W 75mm x depth 23mm,
• Power supply : 12V DC, 80mA typical, 250mA max
  USB version is self-powered by the bus,
• Operating temperature : -20°C -> + 80°C,
• Black ABS housing,
• Red and green LEDs,
• Single-tone beeper.

13.56 MHz contactless interface

• Compliant with ISO/IEC 14443 A & B, layers 1, 2, 3 and 4.

IWM-K531-DW

RS-485 interface

• 2-wire bus, up to 7 readers may share the bus, max 30m,
• Baudrate : 4800 to 38400 bps,
• Decimal or hexa-decimal ASCII output, length 32 to 128 bits,
• LEDs are driven by short commands on the serial link.

Dataclock interface

• 2-wire output : DATA and CLOCK (active low), max 30m,
• ISO2/Magstripe output format, 10 decimal digits (40 bits),
• Host controler drives both LEDs directly.

Wiegand interface

• 2-wire output : DATA1 and DATA0 (active low), max 30m,
• Configurable output format (32 to 128 bits),
• Host controler drives both LEDs directly.

IWM-K531-SU

RS-232 interface

• Standard serial interface, max 3m,
• Baudrate : 4800 to 115200 bps,
• Decimal or hexa-decimal ASCII output, length 32 to 128 bits,
• LEDs are driven by short commands on the serial link.

USB interface

• USB 1.1 connection, max 3m,
• Virtual serial port driver (Windows and Linux),
• Decimal or hexa-decimal ASCII output, length 32 to 128 bits,
• LEDs are driven by short commands on the serial link.

Pro-Active contactless readers : comparison matrix

	IWM-K531		IWM-K632
	DW	SU	DW	SU
Card Types
ISO/IEC 14443 A and B « proximity »
ISO/IEC 15693 and NXP (Philips) ICode1
NXP (Philips) Mifare 1k, 4k, UL
NXP (Philips) Desfire
7816-4 smartcards in T=CL mode
Memory cards ST SR176, ASK CTS256
Calypso cards	Contact us
Output interface
Wiegand
Dataclock (ISO2/Magstripe)
RS-485
RS-232
USB (USB-serial bridge)
Security and configuration
On-the-field configuration with master card	Mifare 1k		Desfire 4k
MD5 algorithm on-board
DES and Triple-DES (3DES) on-board
Mifare and Desfire key diversification
Non-volatile memory : 32 Mifare keys
Non-volatile memory : 1kB for config and keys

Full support

Partial support

Not available

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