Advanced Card Systems ACR122S Users Manual

W

ebsite: www.acs.com.hk

ACR122S

AACCRR112222SS PPCC--lliinnkkeedd CCoonnttaaccttlleessss CCaarrdd RReeaaddeerr

User Manual

dvanced Card Systems Ltd.

A

mail: [e-mail]

E

\

1.0 INTRODUCTION

The ACR122S is a PC-linked Contactless Smart Card Rea

13.56MHz Contactless Technology. This device is designed to support not only MiFare
and ISO14443 Type A and B Cards but also FeliCa and NFC tags.

By making use high-speed card access and Serial port speed of 115.200 Kbps, read and
write operations are faster and more efficient. With its compact size and trendy design

and with the various features the ACR122S offers,yo

using ACR122S for applications of payment,mass tran

attendance, etc.

2.0 FEATURES

• Serial Interface. Baud Rate = 9600 bps (default) or 115200 bps, 8-N-1. Initial Baud Rate
is determined by the existence of R12. A command is also provided for changing the
baud rate while the reader is running.

• CCID-liked Frame Format.

• Support ISO14443 Part 4 Type A & B, MIFARE, FeliCa and NFC tags.

• Built-in Antenna for contactless tags access.

• Support ISO7816 T=0 cards. (SAM Socket)

• Bi-Color LED.

• Buzzer.

• 2 Relays (optional)

• 8 buffered TTL Input pins (optional)

• 8 buffered TTL Output pins (optional)

3.0 Typical Applications

• Network access control

• Micro-payment

• NFC mobile tag

• Public Transportation Terminals

• Automatic Fare Collection

• Physical access control

• Customer Loyalty

• Time attendance

• Contactless public phones

• Vending machines

ACR122S PC-linked Contractless Smart Card Reader

der/Writer developed on the

u can experience the convenience in

sit, physical access control, time

niversal Terminal UT1

U

Version 0.03 Oct 2008

Page 2 of 9

\

ACR122S PC-linked Contractless Smart Card Reader

4.0 Installation Procedure

Connect the ACR122S DB9 cable to the PC serial port

and plug the USB cable into the
USB port. The USB is provided the power only. When the reader connects to the PC,
then the user can use it directly. It doesn’t need any windows driver to start up the reader.

5.0 Hardware Interfaces

5.1 Bi-Color LED

• User-controllable Bi-Color LED. Red and Green Color.

• The Green Color LED will be blinking if the “Card Interface” is not connected.

• The Green Color LED will be turned on if the “Card Interface” is connected.

• The Green Color LED will be flashing if the “Card Interface” is operating.

• The Red Color LED is controlled by the application only.

5.2 Buzzer

• User-controllable buzzer.

• The default Buzzer State is OFF

5.3 SAM Interface

• One SAM socket is provided.

5.4 Built-in Antenna

3 turns symmetric loop antenna.Center tapped.

•

• The estimated size = 50mm x 40mm.

• The loop inductance should be around ~ 1.6uH to 2.5uH

• Operating Distance for different Tags ~ up to 50mm (depend on the Tag)

• No anti-collision. Only one Tag can be accessed at any one time.

niversal Terminal UT1

U

Version 0.03 Oct 2008

Page 3 of 9