Instructions

QU-CD-720-RFID-HF Series HF Card reader Technical Manual
www.quio-rfid.de Quick Ohm Küpper & Co. GmbH
Page: 3/8
1. Overview
QFM Series non-contact reader use 13.56MHZ RF technology and low power radio station
MFRC522 is embedded, so user do not worry the complexity of RF base station control. You just
need to send command to achieve full operation for card by a simple selected UART interface. This
serial reader support Mifare 1 S50, S70 and compatible cards.
1.1 Model and Differences
Model
Type
Description
QFM-100
Issue device desktop
USB Virtual COM interface, connect to PC directly
QFM-100-S
Issue device desktop
RS232, connect to DB 9Pins of PC, power supplied by USB
QFM-200-5V
Reader for Ticket House
RS232 interface, power supplied by DC5V
QFM-210-12V
Reader for Ticket House
RS485 interface, power supplied by DC12V
QFM-220-12V
Reader for Ticket House
RS232 interface, power supplied by DC12V
QFM-230-12V
Reader for Ticket House
RS485 interface, power supplied by DC5V
QFM-300-5V
Reader for Card Dispenser
RS232 interface, power supplied by DC5V
QFM-310-5V
Reader for Card Dispenser
RS485 interface, power supplied by DC5V
1.2 Electric Characteristics
Typical Power Supply: DC5V/12V
Reader Current: 100mA
Operating temperature: -25 ~ 85℃
1.3 Interface Definition
Name
Definition
VCC
Power: Positive pole input DC5V or DC12V
GND
Power: Negative pole input
Rx_B
RS232: Receiving End
RS485: B(-)
Tx_A
RS232: Transmitting end
RS485: A(+)
1.4 Definition of the DIP Switch
For QFM-200 and QFM300, there is one 2PIN DIP switch S1, the definition as following:
DIP Switch
Function
ON
OFF
DIP1（S1-1）
Baud Rate Setting
38400
19200
DIP2（S1-2）
Reserved
2. Data Communication Protocol
2.1 Asynchronous Half-duplex UART Protocol
UART interface: