User's Manual

UHF RFID Reader UR - SERIES User Manual v1.14
63
Parameter definition
BeepEn: buzzer working mode selection.
bit0: 0 – disable buzzer;
1 – enable buzzer, the buzzer will beep on every success tag operation(GPO1 pin output low
pulse).
bit1 ~ bit7 are reserved, default value is 0.
Response frame:
Len
Adr
reCmd
Status
Data[]
CRC-16
0x05
0xXX
0x40
0x00
——
LSB
MSB
8.4.10 GPIO control
The function of this command is to control the output of GPIO. The default output is high TTL
level.
Command frame:
Len
Adr
Cmd
Data[]
CRC-16
OutputPin
0x05
0xXX
0x46
0xXX
LSB
MSB
Parameter definition
OutputPin: the output state of GPIO (pin Out1 to Out2). Bit0 ~ bit3 control the Out1 to Out3
respectively. Bit2 ~ bit7 are reserved.
Response frame:
Len
Adr
reCmd
Status
Data[]
CRC-16
0x05
0xXX
0x46
0x00
——
LSB
MSB
8.4.11 Obtain GPIO state
The function of this command is to obtain the input and output states of GPIO
Command frame:
Len
Adr
Cmd
Data[]
CRC-16
0x04
0xXX
0x47
——
LSB
MSB
Response frame:
Len
Adr
reCmd
Status
Data[]
CRC-16
OutputPin