Instructions

Contactless Card Read/Write Module（QM-201C-HF）User’s
Manual
Auto Request(BIT1)
0x03
0：Turn off Auto Request
1：Turn on Auto Request
Status：
0x00
0xFF
Retur
n
0x04 0x01
0x00：Success
0xFF：Fail
Send
0x03 0x02
0x04 0x02
Power
2
Status：
0x00
0xFF
Setting
Retur
n
0x00：Success
0xFF：Fail
Contactless card Command
Request card mode：
0x00
0x01
0x00: request all card in antenna area
0x01:requestcardthathavenothaltedin
antenna area
Send 0x04 0x10
Request
Card
3
Seri
al
Status:
0x08
0x04
0x00
Retur
n
0x00: Request success + Card Serial
No(4 bytes).
No
0x10
0xFF
0xFF: Request Fail.
Key Set(1Byte)＋Block No(1Byte) +
Key(6Bytes)
a.Key Set(1Byte)：
Select Key A,B(BIT0)->0:Key A;1:Key B
Key Mode(BIT1)->
Send 0x0B 0x11
8Byte
0:Use key passed.
Read
4
1:Use key downloaded.
b.Index of Key Downloaded(BIT2~BIT7）
->0~31
Block
Dat
a
0x14
0x04
0x00
0xFF
0x00: Success, 16 bytes of data return.
0xFF: Fail
Retur
n
0x11
Write
Block
5
Send 0x1B 0x12
24bytes Key set(1Byte)＋Block No(1Byte)＋
Key(6Bytes)+ Data(16Bytes)
a.Key Set(1Byte)：
Select Key A,B(BIT0)->0:Key A;1:Key B
Key Mode(BIT1)->
Contactless Card, RFID…
www.quio-rfid.de
0:Usekeypassed.
Page 9 / 14
1:Use key downloaded.
b.Index of Key Downloaded(BIT2~BIT7）